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siov metal oxide varistors leaded varistors, advanced series series/type: b722* date: december 2011 ? epcos ag 2011. reproduction, publication and dissemination of this publication, enclosures hereto and the information contained therein without epcos' prior express consent is prohibited.
construction round varistor element, leaded coating: epoxy resin, flame-retardant to ul 94 v-0 features high-energy advanced series e2 high surge current ratings up to 10 ka high energy ratings up to 440 j wide operating voltage range 130 ? 680 v rms pspice models approvals ul csa vde cqc s05/07 (k11 ? k460), s10/s14 (k11 ? k680), s20 (k11 ? k1000) iec delivery mode bulk (standard), taped versions on reel or in ammo pack upon request. for further details refer chapter "taping, packaging and lead configuration" for leaded varistors. general technical data climatic category to iec 60068-1 40/85/56 operating temperature to iec 61051 40 ... + 85 c storage temperature 40 ... +125 c electric strength to iec 61051 3 2.5 kv rms insulation resistance to iec 61051 3 100 m w response time < 25 ns leaded varistors b722* advanced series page 2 of 34 please read cautions and warnings and important notes at the end of this document.
electrical specifications and ordering codes maximum ratings (t a = 85 c) ordering code type (untaped) siov- v rms v v dc v i max (8/20 s) a w max (2 ms) j p max w v rms = 130 v b72205s2131k101 s05k130e2 130 170 800 6.0 0.10 B72207S2131K101 s07k130e2 130 170 1750 12.5 0.25 b72210s2131k101 s10k130e2 130 170 3500 25.0 0.40 b72214s2131k101 s14k130e2 130 170 6000 50.0 0.60 b72220s2131k101 s20k130e2 130 170 10000 100.0 1.00 v rms = 140 v b72205s2141k101 s05k140e2 140 180 800 6.5 0.10 b72207s2141k101 s07k140e2 140 180 1750 13.5 0.25 b72210s2141k101 s10k140e2 140 180 3500 27.5 0.40 b72214s2141k101 s14k140e2 140 180 6000 55.0 0.60 b72220s2141k101 s20k140e2 140 180 10000 110.0 1.00 v rms = 150 v b72205s2151k101 s05k150e2 150 200 800 7.5 0.10 b72207s2151k101 s07k150e2 150 200 1750 15.0 0.25 b72210s2151k101 s10k150e2 150 200 3500 30.0 0.40 b72214s2151k101 s14k150e2 150 200 6000 60.0 0.60 b72220s2151k101 s20k150e2 150 200 10000 120.0 1.00 v rms = 175 v b72205s2171k101 s05k175e2 175 225 800 8.0 0.10 b72207s2171k101 s07k175e2 175 225 1750 17.0 0.25 b72210s2171k101 s10k175e2 175 225 3500 35.0 0.40 b72214s2171k101 s14k175e2 175 225 6000 70.0 0.60 b72220s2171k101 s20k175e2 175 225 10000 135.0 1.00 v rms = 210 v b72205s2211k101 s05k210e2 210 270 800 9.5 0.10 b72207s2211k101 s07k210e2 210 270 1750 20.0 0.25 b72210s2211k101 s10k210e2 210 270 3500 42.0 0.40 b72214s2211k101 s14k210e2 210 270 6000 80.0 0.60 b72220s2211k101 s20k210e2 210 270 10000 160.0 1.00 v rms = 230 v b72205s2231k101 s05k230e2 230 300 800 11.0 0.10 b72207s2231k101 s07k230e2 230 300 1750 23.0 0.25 b72210s2231k101 s10k230e2 230 300 3500 45.0 0.40 b72214s2231k101 s14k230e2 230 300 6000 90.0 0.60 b72220s2231k101 s20k230e2 230 300 10000 180.0 1.00 leaded varistors b722* advanced series page 3 of 34 please read cautions and warnings and important notes at the end of this document.
characteristics (t a = 25 c) ordering code v v (1 ma) v d v v (1 ma) % v c,max (i c ) v i c a c typ (1 khz) pf v rms = 130 v b72205s2131k101 205 10 340 5.0 135 B72207S2131K101 205 10 340 10.0 245 b72210s2131k101 205 10 340 25.0 500 b72214s2131k101 205 10 340 50.0 880 b72220s2131k101 205 10 340 100.0 1850 v rms = 140 v b72205s2141k101 220 10 360 5.0 125 b72207s2141k101 220 10 360 10.0 230 b72210s2141k101 220 10 360 25.0 470 b72214s2141k101 220 10 360 50.0 820 b72220s2141k101 220 10 360 100.0 1700 v rms = 150 v b72205s2151k101 240 10 395 5.0 115 b72207s2151k101 240 10 395 10.0 210 b72210s2151k101 240 10 395 25.0 430 b72214s2151k101 240 10 395 50.0 750 b72220s2151k101 240 10 395 100.0 1550 v rms = 175 v b72205s2171k101 270 10 455 5.0 100 b72207s2171k101 270 10 455 10.0 190 b72210s2171k101 270 10 455 25.0 380 b72214s2171k101 270 10 455 50.0 670 b72220s2171k101 270 10 455 100.0 1350 v rms = 210 v b72205s2211k101 330 10 545 5.0 75 b72207s2211k101 330 10 545 10.0 140 b72210s2211k101 330 10 545 25.0 290 b72214s2211k101 330 10 545 50.0 580 b72220s2211k101 330 10 545 100.0 1100 v rms = 230 v b72205s2231k101 360 10 595 5.0 70 b72207s2231k101 360 10 595 10.0 130 b72210s2231k101 360 10 595 25.0 265 b72214s2231k101 360 10 595 50.0 530 b72220s2231k101 360 10 595 100.0 1000 leaded varistors b722* advanced series page 4 of 34 please read cautions and warnings and important notes at the end of this document.
electrical specifications and ordering codes maximum ratings (t a = 85 c) ordering code type (untaped) siov- v rms v v dc v i max (8/20 s) a w max (2 ms) j p max w v rms = 250 v b72205s2251k101 s05k250e2 250 320 800 12.0 0.10 b72207s2251k101 s07k250e2 250 320 1750 25.0 0.25 b72210s2251k101 s10k250e2 250 320 3500 50.0 0.40 b72214s2251k101 s14k250e2 250 320 6000 100.0 0.60 b72220s2251k101 s20k250e2 250 320 10000 195.0 1.00 v rms = 275 v b72205s2271k101 s05k275e2 275 350 800 13.5 0.10 b72207s2271k101 s07k275e2 275 350 1750 27.5 0.25 b72210s2271k101 s10k275e2 275 350 3500 55.0 0.40 b72214s2271k101 s14k275e2 275 350 6000 110.0 0.60 b72220s2271k101 s20k275e2 275 350 10000 215.0 1.00 v rms = 300 v b72205s2301k101 s05k300e2 300 385 800 15.0 0.10 b72207s2301k101 s07k300e2 300 385 1750 30.0 0.25 b72210s2301k101 s10k300e2 300 385 3500 60.0 0.40 b72214s2301k101 s14k300e2 300 385 6000 125.0 0.60 b72220s2301k101 s20k300e2 300 385 10000 250.0 1.00 v rms = 320 v b72207s2321k101 s07k320e2 320 420 1750 32.0 0.25 b72210s2321k101 s10k320e2 320 420 3500 67.0 0.40 b72214s2321k101 s14k320e2 320 420 6000 136.0 0.60 b72220s2321k101 s20k320e2 320 420 10000 273.0 1.00 v rms = 385 v b72210s2381k101 s10k385e2 385 505 3500 67.0 0.40 b72214s2381k101 s14k385e2 385 505 5000 136.0 0.60 b72220s2381k101 s20k385e2 385 505 10000 273.0 1.00 v rms = 420 v b72210s2421k101 s10k420e2 420 560 3500 67.0 0.40 b72214s2421k101 s14k420e2 420 560 5000 136.0 0.60 b72220s2421k101 s20k420e2 420 560 10000 273.0 1.00 v rms = 460 v b72210s2461k101 s10k460e2 460 615 3500 70.0 0.40 b72214s2461k101 s14k460e2 460 615 5000 150.0 0.60 b72220s2461k101 s20k460e2 460 615 10000 300.0 1.00 leaded varistors b722* advanced series page 5 of 34 please read cautions and warnings and important notes at the end of this document.
characteristics (t a = 25 c) ordering code v v (1 ma) v d v v (1 ma) % v c,max (i c ) v i c a c typ (1 khz) pf v rms = 250 v b72205s2251k101 390 10 650 5.0 65 b72207s2251k101 390 10 650 10.0 120 b72210s2251k101 390 10 650 25.0 245 b72214s2251k101 390 10 650 50.0 490 b72220s2251k101 390 10 650 100.0 940 v rms = 275 v b72205s2271k101 430 10 710 5.0 60 b72207s2271k101 430 10 710 10.0 110 b72210s2271k101 430 10 710 25.0 220 b72214s2271k101 430 10 710 50.0 440 b72220s2271k101 430 10 710 100.0 850 v rms = 300 v b72205s2301k101 470 10 775 5.0 55 b72207s2301k101 470 10 775 10.0 100 b72210s2301k101 470 10 775 25.0 200 b72214s2301k101 470 10 775 50.0 400 b72220s2301k101 470 10 775 100.0 780 v rms = 320 v b72207s2321k101 510 10 840 10.0 90 b72210s2321k101 510 10 840 25.0 185 b72214s2321k101 510 10 840 50.0 370 b72220s2321k101 510 10 840 100.0 720 v rms = 385 v b72210s2381k101 620 10 1025 25.0 175 b72214s2381k101 620 10 1025 50.0 315 b72220s2381k101 620 10 1025 100.0 600 v rms = 420 v b72210s2421k101 680 10 1120 25.0 165 b72214s2421k101 680 10 1120 50.0 290 b72220s2421k101 680 10 1120 100.0 550 v rms = 460 v b72210s2461k101 750 10 1240 25.0 150 b72214s2461k101 750 10 1240 50.0 260 b72220s2461k101 750 10 1240 100.0 500 leaded varistors b722* advanced series page 6 of 34 please read cautions and warnings and important notes at the end of this document.
electrical specifications and ordering codes maximum ratings (t a = 85 c) ordering code type (untaped) siov- v rms v v dc v i max (8/20 s) a w max (2 ms) j p max w v rms = 510 v b72210s2511k101 s10k510e2 510 670 3500 80.0 0.40 b72214s2511k101 s14k510e2 510 670 5000 165.0 0.60 b72220s2511k101 s20k510e2 510 670 10000 325.0 1.00 v rms = 550 v b72210s2551k101 s10k550e2 550 745 3500 90.0 0.40 b72214s2551k101 s14k550e2 550 745 5000 180.0 0.60 b72220s2551k101 s20k550e2 550 745 10000 360.0 1.00 v rms = 625 v b72210s2621k101 s10k625e2 625 825 3500 100.0 0.40 b72214s2621k101 s14k625e2 625 825 5000 200.0 0.60 b72220s2621k101 s20k625e2 625 825 10000 400.0 1.00 v rms = 680 v b72210s2681k101 s10k680e2 680 895 3500 110.0 0.40 b72214s2681k101 s14k680e2 680 895 5000 220.0 0.60 b72220s2681k101 s20k680e2 680 895 10000 440.0 1.00 leaded varistors b722* advanced series page 7 of 34 please read cautions and warnings and important notes at the end of this document.
characteristics (t a = 25 c) ordering code v v (1 ma) v d v v (1 ma) % v c,max (i c ) v i c a c typ (1 khz) pf v rms = 510 v b72210s2511k101 820 10 1355 25.0 140 b72214s2511k101 820 10 1355 50.0 240 b72220s2511k101 820 10 1355 100.0 460 v rms = 550 v b72210s2551k101 910 10 1500 25.0 120 b72214s2551k101 910 10 1500 50.0 215 b72220s2551k101 910 10 1500 100.0 410 v rms = 625 v b72210s2621k101 1000 10 1650 25.0 110 b72214s2621k101 1000 10 1650 50.0 200 b72220s2621k101 1000 10 1650 100.0 380 v rms = 680 v b72210s2681k101 1100 10 1815 25.0 100 b72214s2681k101 1100 10 1815 50.0 180 b72220s2681k101 1100 10 1815 100.0 340 leaded varistors b722* advanced series page 8 of 34 please read cautions and warnings and important notes at the end of this document.
dimensional drawings weight nominal diameter mm v rms v weight g 5 130 ... 300 0.4 ... 0.5 7 130 ... 320 0.6 ... 0.8 10 130 ... 680 1.2 ... 2.8 14 130 ... 680 1.8 ... 4.8 20 130 ... 680 3.3 ... 9.6 the weight of varistors in between these voltage classes can be interpolated. dimensions ordering code [e] 1 mm a 1 mm w max mm th max mm h max mm l min mm d 0.05 mm v rms = 130 v b72205s2131k101 5.0 1.6 7.0 3.9 8.5 25.0 0.6 B72207S2131K101 5.0 1.6 9.0 3.9 11.0 25.0 0.6 b72210s2131k101 7.5 1.8 12.0 4.5 14.5 25.0 0.8 b72214s2131k101 7.5 1.9 15.5 4.6 18.5 25.0 0.8 b72220s2131k101 10.0 2.0 21.5 5.0 25.5 25.0 1.0 v rms = 140 v b72205s2141k101 5.0 1.7 7.0 4.0 8.5 25.0 0.6 b72207s2141k101 5.0 1.7 9.0 4.0 11.0 25.0 0.6 b72210s2141k101 7.5 1.9 12.0 4.6 14.5 25.0 0.8 b72214s2141k101 7.5 2.0 15.5 4.7 18.5 25.0 0.8 b72220s2141k101 10.0 2.1 21.5 5.1 25.5 25.0 1.0 v rms = 150 v b72205s2151k101 5.0 1.8 7.0 4.1 8.5 25.0 0.6 b72207s2151k101 5.0 1.8 9.0 4.1 11.0 25.0 0.6 b72210s2151k101 7.5 2.0 12.0 4.7 14.5 25.0 0.8 b72214s2151k101 7.5 2.1 15.5 4.8 18.5 25.0 0.8 b72220s2151k101 10.0 2.2 21.5 5.2 25.5 25.0 1.0 v rms = 175 v b72205s2171k101 5.0 2.0 7.0 4.3 8.5 25.0 0.6 b72207s2171k101 5.0 2.0 9.0 4.3 11.0 25.0 0.6 b72210s2171k101 7.5 2.2 12.0 4.9 14.5 25.0 0.8 b72214s2171k101 7.5 2.2 15.5 4.9 18.5 25.0 0.8 b72220s2171k101 10.0 2.3 21.5 5.3 25.5 25.0 1.0 leaded varistors b722* advanced series page 9 of 34 please read cautions and warnings and important notes at the end of this document.
ordering code [e] 1 mm a 1 mm w max mm th max mm h max mm l min mm d 0.05 mm v rms = 210 v b72205s2211k101 5.0 1.7 7.0 4.2 8.5 25.0 0.6 b72207s2211k101 5.0 1.7 9.0 4.2 11.0 25.0 0.6 b72210s2211k101 7.5 1.9 12.0 5.0 14.5 25.0 0.8 b72214s2211k101 7.5 1.9 15.5 5.0 18.5 25.0 0.8 b72220s2211k101 10.0 2.2 21.5 5.4 25.5 25.0 1.0 v rms = 230 v b72205s2231k101 5.0 1.8 7.0 4.4 8.5 25.0 0.6 b72207s2231k101 5.0 1.8 9.0 4.4 11.0 25.0 0.6 b72210s2231k101 7.5 2.0 12.0 5.0 14.5 25.0 0.8 b72214s2231k101 7.5 2.0 15.5 5.1 18.5 25.0 0.8 b72220s2231k101 10.0 2.3 21.5 5.5 25.5 25.0 1.0 v rms = 250 v b72205s2251k101 5.0 1.9 7.0 4.5 8.5 25.0 0.6 b72207s2251k101 5.0 1.9 9.0 4.5 11.0 25.0 0.6 b72210s2251k101 7.5 2.1 12.0 5.2 14.5 25.0 0.8 b72214s2251k101 7.5 2.1 15.5 5.2 18.5 25.0 0.8 b72220s2251k101 10.0 2.4 21.5 5.7 25.5 25.0 1.0 v rms = 275 v b72205s2271k101 5.0 2.0 7.0 4.6 8.5 25.0 0.6 b72207s2271k101 5.0 2.0 9.0 4.6 11.0 25.0 0.6 b72210s2271k101 7.5 2.2 12.0 5.4 14.5 25.0 0.8 b72214s2271k101 7.5 2.2 15.5 5.4 18.5 25.0 0.8 b72220s2271k101 10.0 2.6 21.5 5.8 25.5 25.0 1.0 v rms = 300 v b72205s2301k101 5.0 2.1 7.0 4.7 8.5 25.0 0.6 b72207s2301k101 5.0 2.1 9.0 4.7 11.0 25.0 0.6 b72210s2301k101 7.5 2.3 12.0 5.6 14.5 25.0 0.8 b72214s2301k101 7.5 2.3 15.5 5.6 18.5 25.0 0.8 b72220s2301k101 10.0 2.8 21.5 6.1 25.5 25.0 1.0 v rms = 320 v b72207s2321k101 5.0 2.3 9.0 4.6 11.0 25.0 0.6 b72210s2321k101 7.5 2.4 12.0 5.8 15.0 25.0 0.8 b72214s2321k101 7.5 2.4 15.5 5.8 19.0 25.0 0.8 b72220s2321k101 10.0 2.9 21.5 6.2 25.5 25.0 1.0 v rms = 385 v b72210s2381k101 7.5 3.3 12.0 7.1 15.0 25.0 0.8 b72214s2381k101 7.5 3.4 15.5 7.1 19.0 25.0 0.8 b72220s2381k101 10.0 3.9 21.5 7.6 26.0 25.0 1.0 leaded varistors b722* advanced series page 10 of 34 please read cautions and warnings and important notes at the end of this document.
ordering code [e] 1 mm a 1 mm w max mm th max mm h max mm l min mm d 0.05 mm v rms = 420 v b72210s2421k101 7.5 3.5 12.0 7.4 15.0 25.0 0.8 b72214s2421k101 7.5 3.6 15.5 7.5 19.0 25.0 0.8 b72220s2421k101 10.0 4.2 21.5 7.9 26.0 25.0 1.0 v rms = 460 v b72210s2461k101 7.5 3.7 12.0 7.7 15.0 25.0 0.8 b72214s2461k101 7.5 3.8 15.5 7.8 19.0 25.0 0.8 b72220s2461k101 10.0 4.5 21.5 8.2 26.0 25.0 1.0 v rms = 510 v b72210s2511k101 7.5 4.0 12.0 8.0 15.0 25.0 0.8 b72214s2511k101 7.5 4.0 15.5 8.1 19.0 25.0 0.8 b72220s2511k101 10.0 4.6 21.5 8.6 26.0 25.0 1.0 v rms = 550 v b72210s2551k101 7.5 4.3 12.0 8.4 15.0 25.0 0.8 b72214s2551k101 7.5 4.7 15.5 8.5 19.0 25.0 0.8 b72220s2551k101 10.0 4.8 21.5 9.0 26.0 25.0 1.0 v rms = 625 v b72210s2621k101 7.5 5.0 12.0 8.8 15.0 25.0 0.8 b72214s2621k101 7.5 5.1 15.5 8.9 19.0 25.0 0.8 b72220s2621k101 10.0 5.4 21.5 9.4 26.0 25.0 1.0 v rms = 680 v b72210s2681k101 7.5 5.4 12.0 9.2 15.0 25.0 0.8 b72214s2681k101 7.5 5.5 15.5 9.3 19.0 25.0 0.8 b72220s2681k101 10.0 5.8 21.5 9.8 26.0 25.0 1.0 leaded varistors b722* advanced series page 11 of 34 please read cautions and warnings and important notes at the end of this document.
reliability data test test methods/conditions requirement varistor voltage the voltage between two terminals with the specified measuring current applied is called v v (1 ma dc @ 0.2 ... 2 s). to meet the specified value clamping voltage the maximum voltage between two terminals with the specified standard impulse current (8/20 s) applied. to meet the specified value endurance at upper category temperature 1000 h at uct after having continuously applied the maximum allowable ac voltage at uct 2 c for 1000 h, the specimen shall be stored at room temperature and normal humidity for 1 to 2 h. thereafter, the change of v v shall be measured. | d v/v (1 ma)| 10% surge current derating, 8/20 m s 10 surge currents (8/20 m s), unipolar, interval 30 s, amplitude corresponding to derating curve for 10 impulses at 20 m s | d v/v (1 ma)| 10% (measured in direction of surge current) no visible damage surge current derating, 2 ms 10 surge currents (2 ms), unipolar, interval 120 s, amplitude corresponding to derating curve for 10 impulses at 2 ms | d v/v (1 ma)| 10% (measured in direction of surge current) no visible damage electric strength iec 61051-1, test 4.9.2 metal balls method, 2500 v rms , 60 s the varistor is placed in a container holding 1.6 0.2 mm diameter metal balls such that only the terminations of the varistor are protruding. the specified voltage shall be applied between both terminals of the specimen connected together and the electrode inserted between the metal balls. no breakdown leaded varistors b722* advanced series page 12 of 34 please read cautions and warnings and important notes at the end of this document.
test test methods/conditions requirement climatic sequence the specimen shall be subjected to: a) dry heat at uct, 16 h, iec 60068-2-2, test ba b) damp heat, 1st cycle: 55 c, 93% r. h., 24 h, iec 60068-2-30, test db c) cold, lct, 2 h, iec 60068-2-1, test aa d) damp heat, additional 5 cycles: 55 c/25 c, 93% r. h., 24 h/cycle, iec 60068-2-30, test db. then the specimen shall be stored at room temperature and normal humidity for 1 to 2 h. thereafter, the change of v v shall be measured. thereafter, insulation resis- tance r ins shall be measured at v = 500 v. | d v/v (1 ma)| 10% r ins 3 100 m w rapid change of temperature iec 60068-2-14, test na, lct/uct, dwell time 30 min, 5 cycles | d v/v (1 ma)| 5% no visible damage damp heat, steady state iec 60068-2-78, test ca the specimen shall be subjected to 40 2 c, 90 to 95% r. h. for 56 days without load / with 10% of the maxi- mum continuous dc operating voltage v dc . then stored at room temperature and normal humidity for 1 to 2 h. thereafter, the change of v v shall be measured. thereafter, insulation resis- tance r ins shall be measured at v = 500 v (insulated varistors only). | d v/v (1 ma)| 10% r ins 3 100 m w leaded varistors b722* advanced series page 13 of 34 please read cautions and warnings and important notes at the end of this document.
test test methods/conditions requirement solderability iec 60068-2-20, test ta, method 1 with modified conditions for lead-free solder alloys: 245 c, 3 s: after dipping the terminals to a depth of approximately 3 mm from the body in a soldering bath of 245 c for 3 s, the terminals shall be visually examined. the inspection shall be carried out under adequate light with normal eyesight or with the assistance of a magnifier capable of giving a magnification of 4 to 10 times. the dipped surface shall be covered with a smooth and bright solder coating with no more than small amounts of scattered imperfections such as pinholes or un-wetted or de-wetted areas. these imperfections shall not be concentrated in one area. resistance to soldering heat iec 60068-2-20, test tb, method 1a, 260 c, 10 s: each lead shall be dipped into a solder bath having a temperature of 260 5 c to a point 2.0 to 2.5 mm from the body of the specimen, be held there for 10 1 s and then be stored at room temperature and normal humidity for 1 to 2 h. the change of v v shall be measured and the specimen shall be visually examined. | d v/v (1 ma)| 5% no visible damage tensile strength iec 60068-2-21, test ua1 after gradually applying the force specified below and keeping the unit fixed for 10 s, the terminal shall be visually examined for any damage. force for wire diameter: 0.6 mm = 10 n 0.8 mm = 10 n 1.0 mm = 20 n | d v/v (1 ma)| 5% no break of solder joint, no wire break leaded varistors b722* advanced series page 14 of 34 please read cautions and warnings and important notes at the end of this document.
test test methods/conditions requirement vibration iec 60068-2-6, test fc, method b4 | d v/v (1 ma)| 5% no visible damage frequency range: amplitude: duration: pulse: 10 ? 55 hz 0.75 mm or 98 m/s 2 6 h (3 2 h) sine wave after repeatedly applying a single harmonic vibration according to the table above. the change of v v shall be measured and the specimen shall be visually examined. bump iec 60068-2-29, test eb | d v/v (1 ma)| 5% no visible damage pulse duration: max. acceleration: number of bumps: pulse: 6 ms 400 m/s 2 4000 half sine fire hazard iec 60695-11-5 (needle flame test) severity: vertical 10 s 5 s max. note: uct = upper category temperature lct = lower category temperature r ins = insulation resistance leaded varistors b722* advanced series page 15 of 34 please read cautions and warnings and important notes at the end of this document.
v/i characteristics v = f (i) - for explanation of the characteristics refer to "general technical information", 1.6.3 a = leakage current, b = protection level } for worst-case varistor tolerances siov-s05 ... e2 siov-s07 ... e2 leaded varistors b722* advanced series page 16 of 34 please read cautions and warnings and important notes at the end of this document.
v/i characteristics v = f (i) - for explanation of the characteristics refer to "general technical information", 1.6.3 a = leakage current, b = protection level } for worst-case varistor tolerances siov-s10 ... e2 siov-s14 ... e2 leaded varistors b722* advanced series page 17 of 34 please read cautions and warnings and important notes at the end of this document.
v/i characteristics v = f (i) - for explanation of the characteristics refer to "general technical information", 1.6.3 a = leakage current, b = protection level } for worst-case varistor tolerances siov-s20 ... e2 leaded varistors b722* advanced series page 18 of 34 please read cautions and warnings and important notes at the end of this document.
derating curves maximum surge current i max = f (t r , pulse train) for explanation of the derating curves refer to "general technical information", section 1.8.1 siov-s05k130 ... k300e2 siov-s07k130 ... k320e2 leaded varistors b722* advanced series page 19 of 34 please read cautions and warnings and important notes at the end of this document.
derating curves maximum surge current i max = f (t r , pulse train) for explanation of the derating curves refer to "general technical information", section 1.8.1 siov-s10k130 ... k320e2 siov-s10k385 ... k680e2 leaded varistors b722* advanced series page 20 of 34 please read cautions and warnings and important notes at the end of this document.
derating curves maximum surge current i max = f (t r , pulse train) for explanation of the derating curves refer to "general technical information", section 1.8.1 siov-s14k130 ... k320e2 siov-s14k385 ... k680e2 leaded varistors b722* advanced series page 21 of 34 please read cautions and warnings and important notes at the end of this document.
derating curves maximum surge current i max = f (t r , pulse train) for explanation of the derating curves refer to "general technical information", section 1.8.1 siov-s20k130 ... k320e2 siov-s20k385 ... k680e2 leaded varistors b722* advanced series page 22 of 34 please read cautions and warnings and important notes at the end of this document.
taping, packaging and lead configuration 1 epcos ordering code system for leaded varistors b722 10 s 2 271 k 1 0 1 monolithic varistor nominal disc diameter design: s = leaded varistor t = thermofuse f = fail-safe varistor q = energetiq series: 0 = standard 1 = automotive 2 = advanced 3 = superior 4 = superior max. ac operating voltage: 271 = 27 10 1 = 275 vac 140 = 14 10 0 = 14 vac 141 = 14 10 1 = 140 vac tolerance of varistor voltage: k = 10% j = 5% s = special tolerance lead configuration: 1 = straight leads 2 thru 5 = kinked form packaging: 0 = bulk, 1 thru 7 = taping style internal coding: 1 = standard leaded varistors b722* advanced series page 23 of 34 please read cautions and warnings and important notes at the end of this document.
2 taping and packaging of leaded varistors tape packaging for lead spacing = 5 fully conforms to iec 60286-2, while for lead spacings = 7.5 and 10 the taping mode is based on this standard. 2.1 taping in accordance with iec 60286-2 for lead spacing 5.0 mm 2.2 taping based on iec 60286-2 for lead spacing 7.5 and 10 mm leaded varistors b722* advanced series page 24 of 34 please read cautions and warnings and important notes at the end of this document.
2.3 tape dimensions (in mm) sym- bol = 5.0 tolerance = 7.5 tolerance = 10.0 tolerance remarks w max. max. max. see tables in each series th max. max. max. under "dimensions" d 0.6 0.05 0.8 0.05 1.0 0.05 p 0 12.7 0.3 12.7 1) 0.3 12.7 0.3 1 mm/20 sprocket holes p 1 3.85 0.7 8.95 0.8 7.7 0.8 f 5.0 +0.6/ 0.1 7.5 0.8 10.0 0.8 d h 0 2.0 depends on s depends on s measured at d p 0 1.3 0 2.0 0 2.0 top of compo- nent body w 18.0 0.5 18.0 0.5 18.0 0.5 w 0 5.5 min. 11.0 min. 11.0 min. peel-off force > 5 n w 1 9.0 0.5 9.0 +0.75/ 0.5 9.0 +0.75/ 0.5 w 2 3.0 max. 3.0 max. 3.0 max. h 18.0 +2.0/ 0 18.0 +2.0/ 0 18.0 +2.0/ 0 2) h 0 16.0 (18.0) 0.5 16.0 (18.0) 0.5 16.0 0.5 3) h 1 32.2 max. 45.0 max. 45.0 max. d 0 4.0 0.2 4.0 0.2 4.0 0.2 t 0.9 max. 0.9 max. 0.9 max. without lead l 11.0 max. 11.0 max. 11.0 max. l 4.0 max. 1) taping with p 0 = 15.0 mm upon request 2) applies only to uncrimped types 3) applies only to crimped types (h 0 = 18 upon request) leaded varistors b722* advanced series page 25 of 34 please read cautions and warnings and important notes at the end of this document.
2.4 taping mode example: b72210s0271k1 5 1 | digit 14 digit 14 taping mode reel type seating plane height h 0 for crimped types mm seating plane height h for uncrimped types mm pitch distance p 0 mm 0 bulk 1 g i 16 18 12.7 2 g2 i 18 12.7 3 g3 ii 16 18 12.7 4 g4 ii 18 12.7 5 g5 iii 16 18 12.7 6 ga ammo pack 16 18 12.7 7 g2a ammo pack 18 12.7 internal coding for special taping g6 iii 18 12.7 g10 ii 16 18 15.0 g11 ii 18 15.0 g10a ammo pack 16 18 15.0 g11a ammo pack 18 15.0 leaded varistors b722* advanced series page 26 of 34 please read cautions and warnings and important notes at the end of this document.
2.5 reel dimension dimensions (in mm) reel type d f n w i 360 max. 31 1 approx. 45 54 max. ii 360 max. 31 1 approx. 55 64 max. iii 500 max. 23 1 approx. 59 72 max. if reel type iii is not compatible with insertion equipment because of its large diameter, nominal disk diameter 10 mm and 14 mm can be supplied on reel ii upon request (taping mode g3). 2.6 ammo pack dimensions leaded varistors b722* advanced series page 27 of 34 please read cautions and warnings and important notes at the end of this document.
3 lead configuration straight leads are standard for disk varistors. other lead configurations as crimp style or cus- tomer-specific lead wire length according to 3.1, 3.2, 3.3 and 3.4 are optional. crimped leads (non-standard) are differently crimped for technical reasons; the individual crimp styles are denot- ed by consecutive numbers (s, s2 through s5) as shown in the dimensional drawings below. the crimp styles of the individual types can be seen from the type designation in the ordering ta- bles. 3.1 crimp style mode example: b72210s0271k 5 01 | digit 13 digit 13 of ordering code crimp style figure 1 standard, straight leads 1 2 s2 2 3 s3 3 4 s4 4 5 s5 5 available upon request internal coding 6 3.2 standard leads and non-standard crimp styles standard, straight leads non-standard, crimp style s2 non-standard, crimp style s3 figure 1 figure 2 figure 3 leaded varistors b722* advanced series page 28 of 34 please read cautions and warnings and important notes at the end of this document.
non-standard, crimp style s4 non-standard, crimp style s5 figure 4 figure 5 3.3 component height (h max ) for crimped versions (non-standard) due to technical reasons the component height (h max ) increases if a crimp is added. the maxi- mum height of the crimped component can be found in the table below. nominal diameter mm v rms v crimp style mm h max mm 5 11 ... 175 s2 5.0 10.0 5 210 ... 460 s3 5.0 10.0 7 11 ... 175 s2 5.0 12.0 7 210 ... 460 s3 5.0 12.0 10 11 ... 300 s5 7.5 15.5 10 320 ... 460 s3/s5 7.5 16.5 10 510 s3/s5 7.5 17.5 10 automotive s5 7.5 17.0 10 automotive (d1 types) s5 7.5 16.0 10 11 ... 175 s4 5.0 16.5 10 210 ... 460 s3 5.0 16.5 14 11 ... 300 s5 7.5 20.0 14 320 ... 460 s3/s5 7.5 20.0 14 510 s3/s5 7.5 21.5 14 automotive s5 7.5 21.0 14 automotive (d1 types) s5 7.5 20.0 20 11 ... 320 s5 10.0 27.0 20 385 ... 510 s5 10.0 27.5 leaded varistors b722* advanced series page 29 of 34 please read cautions and warnings and important notes at the end of this document.
3.4 trimmed leads (non-standard) varistors with cut leads available upon request. lead length tolerances: straight leads +/ 1.0 mm crimped leads +/ 0.8 mm minimum lead length 3.5 mm figure 6 leaded varistors b722* advanced series page 30 of 34 please read cautions and warnings and important notes at the end of this document.
cautions and warnings general 1. epcos metal oxide varistors are designed for specific applications and should not be used for purposes not identified in our specifications, application notes and data books unless oth- erwise agreed with epcos during the design-in-phase. 2. ensure suitability of siovs through reliability testing during the design-in phase. siovs should be evaluated taking into consideration worst-case conditions. 3. for applications of siovs in line-to-ground circuits based on various international and local standards there are restrictions existing or additional safety measures required. storage 1. store siovs only in original packaging. do not open the package before storage. 2. storage conditions in original packaging: storage temperature: 25 c ... +45 c, relative humidity: <75% annual average, <95% on maximum 30 days a year. dew precipitation: is to be avoided. 3. avoid contamination of an siov's during storage, handling and processing. 4. avoid storage of siovs in harmful environments that can affect the function during long-term operation (examples given under operation precautions). 5. the siov type series should be soldered within the time specified: siov-s, -q, -ls, -b, -sfs 24 months etfv 12 months. handling 1. siovs must not be dropped. 2. components must not be touched with bare hands. gloves are recommended. 3. avoid contamination of the surface of siov electrodes during handling, be careful of the sharp edge of siov electrodes. soldering (where applicable) 1. use rosin-type flux or non-activated flux. 2. insufficient preheating may cause ceramic cracks. 3. rapid cooling by dipping in solvent is not recommended. 4. complete removal of flux is recommended. leaded varistors b722* advanced series page 31 of 34 please read cautions and warnings and important notes at the end of this document.
mounting 1. potting, sealing or adhesive compounds can produce chemical reactions in the siov ceramic that will degrade the component?s electrical characteristics. 2. overloading siovs may result in ruptured packages and expulsion of hot materials. for this reason siovs should be physically shielded from adjacent components. operation 1. use siovs only within the specified temperature operating range. 2. use siovs only within the specified voltage and current ranges. 3. environmental conditions must not harm siovs. use siovs only in normal atmospheric con- ditions. avoid use in deoxidizing gases (chlorine gas, hydrogen sulfide gas, ammonia gas, sulfuric acid gas etc), corrosive agents, humid or salty conditions.contact with any liquids and solvents should be prevented. leaded varistors b722* advanced series page 32 of 34 please read cautions and warnings and important notes at the end of this document.
symbols and terms symbol term c capacitance c typ typical capacitance i current i c current at which v c, max is measured i leak leakage current i max maximum surge current (also termed peak current) i max maximum discharge current to iec 61643-1 i nom nominal discharge current to iec 61643-1 lct lower category temperature l typ typical inductance p max maximum average power dissipation r ins insulation resistance r min minimum resistance t a ambient temperature t r duration of equivalent rectangular wave uct upper category temperature v voltage v clamp clamping voltage v c, max maximum clamping voltage at specified current i c v dc dc operating voltage v jump maximum jump start voltage v max maximum voltage v op operating voltage v rms ac operating voltage, root-mean-square value v rms, op, max root-mean-square value of max. dc operating voltage incl. ripple current v surge super imposed surge voltage v v varistor voltage d v v tolerance of varistor voltage w ld maximum load dump w max maximum energy absorption lead spacing all dimensions are given in mm. the commas used in numerical values denote decimal points. leaded varistors b722* advanced series page 33 of 34 please read cautions and warnings and important notes at the end of this document.
the following applies to all products named in this publication: 1. some parts of this publication contain statements about the suitability of our products for certain areas of application . these statements are based on our knowledge of typical re- quirements that are often placed on our products in the areas of application concerned. we nevertheless expressly point out that such statements cannot be regarded as binding statements about the suitability of our products for a particular customer application . as a rule, epcos is either unfamiliar with individual customer applications or less familiar with them than the customers themselves. for these reasons, it is always ultimately incum- bent on the customer to check and decide whether an epcos product with the properties de- scribed in the product specification is suitable for use in a particular customer application. 2. we also point out that in individual cases, a malfunction of electronic components or failure before the end of their usual service life cannot be completely ruled out in the current state of the art, even if they are operated as specified . in customer applications requiring a very high level of operational safety and especially in customer applications in which the malfunction or failure of an electronic component could endanger human life or health (e.g. in accident prevention or lifesaving systems), it must therefore be ensured by means of suitable design of the customer application or other action taken by the customer (e.g. installation of protective circuitry or redundancy) that no injury or damage is sustained by third parties in the event of malfunction or failure of an electronic component. 3. the warnings, cautions and product-specific notes must be observed. 4. in order to satisfy certain technical requirements, some of the products described in this publication may contain substances subject to restrictions in certain jurisdictions (e.g. because they are classed as hazardous) . useful information on this will be found in our ma- terial data sheets on the internet (www.epcos.com/material). should you have any more de- tailed questions, please contact our sales offices. 5. we constantly strive to improve our products. consequently, the products described in this publication may change from time to time . the same is true of the corresponding product specifications. please check therefore to what extent product descriptions and specifications contained in this publication are still applicable before or when you place an order. we also reserve the right to discontinue production and delivery of products . consequently, we cannot guarantee that all products named in this publication will always be available. the aforementioned does not apply in the case of individual agreements deviating from the fore- going for customer-specific products. 6. unless otherwise agreed in individual contracts, all orders are subject to the current ver- sion of the "general terms of delivery for products and services in the electrical in- dustry" published by the german electrical and electronics industry association (zvei) . 7. the trade names epcos, baoke, alu-x, ceradiode, csmp, cssp, ctvs, deltacap, digisimic, dssp, formfit, miniblue, minicell, mkd, mkk, mlsc, motorcap, pcc, phasecap, phasecube, phasemod, phicap, siferrit, sifi, sikorel, silvercap, simdad, simic, simid, sineformer, siov, sip5d, sip5k, thermofuse, windcap are trade- marks registered or pending in europe and in other countries. further information will be found on the internet at www.epcos.com/trademarks. important notes page 34 of 34

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