design and specifications are each subject to change without notice. ask factory for the current technical specifications befo re purchase and/or use. should a safety concern arise regarding this product, please be sure to contact us immediately. ?znr? transient/surge absorbers (type e) 24 iso m4 l w 12 h znr 5 4.3 14 part no. date code e 1 r 2 z 3 4 5 6 78 9 10 11 12 product code element size type design no. nominal varistor voltage tolerance cek general ul/csa recognized C y explanation of part numbers features recommended applications ul and csa recognized components very large surge withstanding capability with a compact size direct mounting on boards like a power distribution board available fast response to steep impulse voltage low clamping voltage for better surge protection rohs compliant transistor, diode, ic, thyristor or triac semiconductor protection surge protection in industrial power plant operations relay or electromagnetic valve surge absorption surge absorption applications in broadcasting, communications devices, traf? c/railroad, agricultural facilities, waterworks surge protection of automatic control devices for power distribution line note : ask our factory for product specifi cation before use. ?znr? transient/surge absorbers type : e the znr type e is capable of handling larger surge energy than type d in applications to protect electronic equipment or semiconductor devices from switching and induced lightning surges. (unit : mm) as for handling precautions and minimum quantity / packing unit please see related information dimensions in mm (not to scale) part no. w h l erzc20ek (y) 4 81 421 3 9 1 erzc32ek (y) 6 0 1 5 51 511 related standards each type designation is not registered by part num ber. standard no. ul1449 csa c22.2 no.1 class 2221 01 title surge protective devices accessories and parts for electronic products (varistor for across-the-line use as transient protection on 120v ac nominal system) file no. e321499 lr-92226 mar. 2017 03
design and specifications are each subject to change without notice. ask factory for the current technical specifications befo re purchase and/or use. should a safety concern arise regarding this product, please be sure to contact us immediately. ?znr? transient/surge absorbers (type e) operating temperature range : C40 to 85 c storage temperature range : C40 to 110 c operating temperature range : C40 to 85 c storage temperature range : C40 to 110 c 20 series (ul and csa recognized) 32 series (ul and csa recognized) ratings and characteristics(erzc20ek) ratings and characteristics(erzc32ek) part no. (ul/csa recognized) type designation varistor voltage maximum allowable voltage maximum clamping voltage energy (2 ms) maximum peak current (8/20 s) rated voltage (ul/csa) 1 time 1 time v 1 ma (v) acrms (v) dc (v) v 100 a (v) (j) (a) acrms (v) erzc20ek201y 20ek201u 200 (185 to 225) 130 170 340 80 8000 118 erzc20ek241y 20ek241u 240 (216 to 264) 150 200 395 95 8000 136 erzc20ek271y 20ek271u 270 (247 to 303) 175 225 455 100 8000 159 erzc20ek361y 20ek361u 360 (324 to 396) 230 300 595 120 8000 209 erzc20ek391y 20ek391u 390 (351 to 429) 250 320 650 130 8000 227 erzc20ek431y 20ek431u 430 (387 to 473) 275 350 710 140 8000 250 erzc20ek471y 20ek471u 470 (423 to 517) 300 385 775 150 8000 272 erzc20ek511y 20ek511u 510 (459 to 561) 320 415 845 150 8000 291 erzc20ek621y 20ek621u 620 (558 to 682) 385 505 1025 160 8000 350 ERZC20EK681y 20ek681u 680 (612 to 748) 420 560 1120 175 8000 381 erzc20ek751y 20ek751u 750 (675 to 825) 460 615 1240 190 8000 418 erzc20ek781y 20ek781u 780 (702 to 858) 485 640 1290 200 8000 440 erzc20ek821y 20ek821u 820 (738 to 902) 510 670 1355 215 8000 463 erzc20ek911y 20ek911u 910 (819 to 1001) 550 745 1500 240 8000 500 erzc20ek102y 20ek102u 1000 (900 to 1100) 625 825 1650 245 8000 568 erzc20ek112y 20ek112u 1100 (990 to 1210) 680 895 1815 250 8000 600 part no. (ul/csa recognized) type designation varistor voltage maximum allowable voltage maximum clamping voltage energy (2 ms) maximum peak current (8/20 s) rated voltage (ul/csa) 1 time 1 time v 1 ma (v) acrms (v) dc (v) v 100 a (v) (j) (a) acrms (v) erzc32ek201y 32ek201u 200 (185 to 225) 130 170 340 210 25000 118 erzc32ek241y 32ek241u 240 (216 to 264) 150 200 395 240 25000 136 erzc32ek271y 32ek271u 270 (247 to 303) 175 225 455 255 25000 159 erzc32ek361y 32ek361u 360 (324 to 396) 230 300 595 325 25000 209 erzc32ek391y 32ek391u 390 (351 to 429) 250 320 650 350 25000 227 erzc32ek431y 32ek431u 430 (387 to 473) 275 350 710 400 25000 250 erzc32ek471y 32ek471u 470 (423 to 517) 300 385 775 405 25000 272 erzc32ek511y 32ek511u 510 (459 to 561) 320 415 845 405 25000 291 erzc32ek621y 32ek621u 620 (558 to 682) 385 505 1025 415 25000 350 erzc32ek681y 32ek681u 680 (612 to 748) 420 560 1120 450 25000 381 erzc32ek751y 32ek751u 750 (675 to 825) 460 615 1240 500 25000 418 erzc32ek781y 32ek781u 780 (702 to 858) 485 640 1290 520 25000 440 erzc32ek821y 32ek821u 820 (738 to 902) 510 670 1355 545 25000 463 erzc32ek911y 32ek911u 910 (819 to 1001) 550 745 1500 600 25000 500 erzc32ek102y 32ek102u 1000 (900 to 1100) 625 825 1650 620 25000 568 erzc32ek112y 32ek112u 1100 (990 to 1210) 680 895 1815 640 25000 600 mar. 2017 03
design and specifications are each subject to change without notice. ask factory for the current technical specifications befo re purchase and/or use. should a safety concern arise regarding this product, please be sure to contact us immediately. ?znr? transient/surge absorbers (type e) operating temperature range : C40 to 85 c storage temperature range : C40 to 110 c operating temperature range : C40 to 85 c storage temperature range : C40 to 110 c part no. varistor voltage maximum allowable voltage maximum clamping voltage rated power energy (2 ms) maximum peak current (8/20 s) typical capacitance (reference) 1 time 2 times v 1 ma (v) acrms (v) dc (v) v 100 a (v) (w) (j) (a) (a) at 1khz (pf) erzc20ek201 200 (185 to 225) 130 170 340 0.8 80 8000 5000 2300 erzc20ek241 240 (216 to 264) 150 200 395 0.8 95 8000 5000 1500 erzc20ek271 270 (247 to 303) 175 225 455 0.8 100 8000 5000 1400 erzc20ek361 360 (324 to 396) 230 300 595 0.8 120 8000 5000 1300 erzc20ek391 390 (351 to 429) 250 320 650 0.8 130 8000 5000 1200 erzc20ek431 430 (387 to 473) 275 350 710 0.8 140 8000 5000 1000 erzc20ek471 470 (423 to 517) 300 385 775 0.8 150 8000 5000 950 erzc20ek511 510 (459 to 561) 320 415 845 0.8 150 8000 5000 930 erzc20ek621 620 (558 to 682) 385 505 1025 0.8 160 8000 5000 900 ERZC20EK681 680 (612 to 748) 420 560 1120 0.8 175 8000 5000 850 erzc20ek751 750 (675 to 825) 460 615 1240 0.8 190 8000 5000 800 erzc20ek781 780 (702 to 858) 485 640 1290 0.8 200 8000 5000 800 erzc20ek821 820 (738 to 902) 510 670 1355 0.8 215 8000 5000 700 erzc20ek911 910 (819 to 1001) 550 745 1500 0.8 240 8000 5000 700 erzc20ek102 1000 (900 to 1100) 625 825 1650 0.8 245 8000 5000 400 erzc20ek112 1100 (990 to 1210) 680 895 1815 0.8 250 8000 5000 350 part no. varistor voltage maximum allowable voltage maximum clamping voltage rated power energy (2 ms) maximum peak current (8/20 s) typical capacitance (reference) 1 time 2 times v 1 ma (v) acrms (v) dc (v) v 200 a (v) (w) (j) (a) (a) at 1khz (pf) erzc32ek201 200 (185 to 225) 130 170 340 1.2 210 25000 20000 5500 erzc32ek241 240 (216 to 264) 150 200 395 1.2 240 25000 20000 5000 erzc32ek271 270 (247 to 303) 175 225 455 1.2 255 25000 20000 4200 erzc32ek361 360 (324 to 396) 230 300 595 1.2 325 25000 20000 3500 erzc32ek391 390 (351 to 429) 250 320 650 1.2 350 25000 20000 3000 erzc32ek431 430 (387 to 473) 275 350 710 1.2 400 25000 20000 2500 erzc32ek471 470 (423 to 517) 300 385 775 1.2 405 25000 20000 2500 erzc32ek511 510 (459 to 561) 320 415 845 1.2 405 25000 20000 2400 erzc32ek621 620 (558 to 682) 385 505 1025 1.2 415 25000 20000 2200 erzc32ek681 680 (612 to 748) 420 560 1120 1.2 450 25000 20000 2100 erzc32ek751 750 (675 to 825) 460 615 1240 1.2 500 25000 20000 2000 erzc32ek781 780 (702 to 858) 485 640 1290 1.2 520 25000 20000 1900 erzc32ek821 820 (738 to 902) 510 670 1355 1.2 545 25000 20000 1800 erzc32ek911 910 (819 to 1001) 550 745 1500 1.2 600 25000 20000 1700 erzc32ek102 1000 (900 to 1100) 625 825 1650 1.2 620 25000 20000 1000 erzc32ek112 1100 (990 to 1210) 680 895 1815 1.2 640 25000 20000 800 20 series 32 series ratings and characteristics(erzc20ek) ratings and characteristics(erzc32ek) mar. 2017 03
design and specifications are each subject to change without notice. ask factory for the current technical specifications befo re purchase and/or use. should a safety concern arise regarding this product, please be sure to contact us immediately. ?znr? transient/surge absorbers (type e) current (a) voltage (v) 2000 1000 900 800 700 600 500 400 300 200 100 90 80 70 60 50 40 30 10 - 6 10 - 5 10 - 4 10 - 3 10 - 2 10 - 1 10 0 10 1 10 2 10 3 10 4 10 5 erzc20ek511(y) erzc20ek471(y) erzc20ek431(y) erzc20ek391(y) erzc20ek361(y) erzc20ek271(y) erzc20ek241(y) erzc20ek201(y) erzc20ek201(y) erzc20ek511(y) erzc20ek471(y) erzc20ek431(y) erzc20ek391(y) erzc20ek361(y) erzc20ek271(y) erzc20ek241(y) test current waveform 10 - 6 to 10 - 3 a: direct current 10 - 1 to 10 4 a: 8/20 s max. clamping voltage max. leakage current 4000 3000 2000 1000 900 800 700 600 500 400 300 200 10 - 6 10 - 5 10 - 4 10 - 3 10 - 2 10 - 1 10 0 10 1 10 2 10 3 10 4 10 5 erzc20ek112(y) erzc20ek102(y) erzc20ek911(y) erzc20ek821(y) erzc20ek781(y) erzc20ek751(y) erzc20ek621(y) erzc20ek621(y) ERZC20EK681(y) erzc20ek112(y) erzc20ek102(y) erzc20ek911(y) erzc20ek821(y) erzc20ek781(y) erzc20ek751(y) ERZC20EK681(y) current (a) voltage (v) test current waveform 10 - 6 to 10 - 3 a: direct current 10 - 1 to 10 4 a: 8/20 s max. clamping voltage max. leakage current 10000 8000 6000 4000 2000 1000 800 600 400 200 100 80 60 40 20 10 8 6 4 2 1 20 100 1000 10000 1 time 2 times 10 times 10 2 times 10 3 times 10 4 times 10 5 times 10 6 times impulse width (s) impulse current (a) 5 minutes 2 minutes 10 seconds 2 times : to 10 times : to 10 6 times : 10000 8000 6000 4000 2000 1000 800 600 400 200 100 80 60 40 20 10 8 6 4 2 1 20 100 1000 10000 1 time 10 2 times 10 3 times 10 4 times 10 5 times 10 6 times 2 times 10 times impulse width (s) impulse current (a) 5 minutes 2 minutes 10 seconds 2 times : to 10 times : to 10 6 times : 10000 8000 6000 4000 2000 1000 800 600 400 200 100 80 60 40 20 10 8 6 4 2 1 20 100 1000 10000 1 time 10 2 times 10 3 times 10 4 times 10 5 times 10 6 times 2 times 10 times impulse width (s) impulse current (a) 5 minutes 2 minutes 10 seconds 2 times : to 10 times : to 10 6 times : voltage vs. current (erzc20ek201(y) to erzc20ek511(y)) (erzc20ek621(y) to erzc20ek112(y)) 20 series (erzc20ek751(y) to erzc20ek112(y)) 20 series (erzc20ek361(y) to ERZC20EK681(y)) 20 series (erzc20ek201(y) to erzc20ek271(y)) typical characteristics(type e) impulse derating curve (relation be tween impulse width and surge, repetitively) mar. 2017 03
design and specifications are each subject to change without notice. ask factory for the current technical specifications befo re purchase and/or use. should a safety concern arise regarding this product, please be sure to contact us immediately. ?znr? transient/surge absorbers (type e) 2000 1000 900 800 700 600 500 400 300 200 100 90 80 70 60 50 40 30 10 - 6 10 - 5 10 - 4 10 - 3 10 - 2 10 - 1 10 0 10 1 10 2 10 3 10 4 10 5 erzc32ek511(y) erzc32ek471(y) erzc32ek431(y) erzc32ek391(y) erzc32ek361(y) erzc32ek271(y) erzc32ek241(y) erzc32ek201(y) erzc32ek511(y) erzc32ek471(y) erzc32ek431(y) erzc32ek391(y) erzc32ek361(y) erzc32ek271(y) erzc32ek241(y) erzc32ek201(y) current (a) voltage (v) test current waveform 10 - 6 to 10 - 3 a: direct current 10 - 1 to 10 4 a: 8/20 s max. clamping voltage max. leakage current 4000 3000 2000 1000 900 800 700 600 500 400 300 200 10 - 6 10 - 5 10 - 4 10 - 3 10 - 2 10 - 1 10 0 10 1 10 2 10 3 10 4 10 5 erzc32e112(y) erzc32e102(y) erzc32e911(y) erzc32e821(y) erzc32e781(y) erzc32e751(y) erzc32e681(y) erzc32e621(y) erzc32e112(y) erzc32e102(y) erzc32e911(y) erzc32e821(y) erzc32e781(y) erzc32e751(y) erzc32e681(y) erzc32e621(y) current (a) voltage (v) max. clamping voltage max. leakage current test current waveform 10 - 6 to 10 - 3 a: direct current 10 - 1 to 10 4 a: 8/20 s 20 100 1000 1 time 2 times 10 times 10 2 times 10 3 times 10 4 times 10 5 times 10 6 times 10000 20000 10000 8000 6000 4000 2000 1000 800 600 400 200 100 80 60 40 20 10 8 6 4 2 impulse width (s) impulse current (a) 5 minutes 2 minutes 10 seconds 2 times : to 10 times : to 10 6 times : impulse width (s) impulse current (a) 20 100 1000 1 time 2 times 10 times 10 2 times 10 3 times 10 4 times 10 5 times 10 6 times 10000 20000 10000 8000 6000 4000 2000 1000 800 600 400 200 100 80 60 40 20 10 8 6 4 2 5 minutes 2 minutes 10 seconds 2 times : to 10 times : to 10 6 times : 20 100 1000 1 time 2 times 10 times 10 2 times 10 3 times 10 4 times 10 5 times 10 6 times 10000 20000 10000 8000 6000 4000 2000 1000 800 600 400 200 100 80 60 40 20 10 8 6 4 2 impulse width (s) impulse current (a) 5 minutes 2 minutes 10 seconds 2 times : to 10 times : to 10 6 times : voltage vs. current (erzc32ek201(y) to erzc32ek511(y)) (erzc32ek621(y) to erzc32ek112(y)) 32 series (erzc32ek751(y) to erzc32ek112(y)) 32 series (erzc32ek361(y) to erzc32ek681(y)) 32 series (erzc32ek201(y) to erzc32ek271(y)) typical characteristics(type e) impulse derating curve (relation be tween impulse width and surge, repetitively) mar. 2017 03
design and specifications are each subject to change without notice. ask factory for the current technical specifications befo re purchase and/or use. should a safety concern arise regarding this product, please be sure to contact us immediately. ?znr? transient/surge absorbers (type e) electrical characteristics test methods/description speci? cations standard test condition electrical characteristics shall be measured at following conditions (temperature: 5 to 35 c,humidity: max. 85 %) varistor voltage the voltage between two terminals with the specified measuring current cma dc applied is called vc or v cma . the measurement shall be made as fast as possible to avoid heat affection. to meet the speci? ed value. maximum allowable voltage the maximum sinusoidal wave voltage (rms) or the maximum dc voltage that can be applied continuously. clamping voltage the maximum voltage between two terminals with the specified standard impulse current (8/20 s). rated power the maximum power that can be applied within the specified ambient temperature. energy the maximum energy within the varistor voltage change of 10 % when one impulse of 2 ms is applied. maximum peak current 2 times the maximum current within the varistor voltage change of 10 % with the standard impulse cur rent (8/20 s) applied two times with an interval of 5 minutes. 1 time the maximum current within the varistor voltage change of 10 % with the standard impulse cur rent (8/20 s ) applied one time. temperature coefficient of varistor voltage v c at 70 c C v c at 20 c 1 100 (%/c) v c at 20 c 50 0 to C0.05 %/c max. impulse life the change of vc shall be measured after the impulse listed below is applied 10000 times continuously with the interval of ten sec onds at room temperature. 20 series 200 a (8/20 s) 32 series 300 a (8/20 s) v 1 ma /v 1 ma < 10 % withstanding voltage (body insulation) the commercial frequency voltage of ac 2.5 kv shall be applied between terminals and the bottom of the unit for one minute. no remarkable damage mechanical robustness of terminations (tensile) after gradually applying the load of 49 n (5 kgf) and keeping the unit ? xed for 10 seconds in an axial direction, the terminal shall be visually examined for any damage. no remarkable damage vibration after repeadly applying a single harmonic vibration (amplitude: 0.75 mm): double amplitude: 1.5 mm with 1 minute vibration frequency cycles (10 hz to 55 hz to 10 hz) to each of three perpendicular directions for 2 hours. thereafter, the damage of the ter mi nals is visually examined. environmental dry heat/ high temperature storage the specimen shall be subjected to 1103 c for 500 hours in a thermostatic bath without load and then stored at room temperature and humidity for one to two hours. thereafter, the change of vc shall be measured. step temperature (c) period (minutes) 1C25 C3 30 +3 2 room temp. 3 max. 385 +3 30 +3 4 room temp. 3 max. v 1 ma /v 1 ma < 5 % temperature cycle the temperature cycle shown below shall be repeated five times and then stored at room temperature and humidity for one to two hours. the change of vc and mechanical damage shall be examined. no remarkable damage v 1 ma /v 1 ma < 5 % dry heat load/ high temperature load after being continuously applied the maximum allowable voltage at 855 c for 500 hours, the specimen shall be stored at room temperature and humidity for one to two hours. thereafter, the change of vc shall be measured. v 1 ma /v 1 ma < 10 % damp heat/humidity (steady state) the specimen shall be subjected to 402 c, 90 to 95 %rh for 1000 hours without load and then stored at room temperature and hu mid i ty for one to two hours. thereafter, the change of vc shall be measured. v 1 ma /v 1 ma < 5 % 0 0 0 0 performance characteristicsv (type e) mar. 2017 03
|
