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chip inductors n explanation of part numbers japan e l j f a 2 2 1 j f fb (size 4532) 1 a (size 3225) 1 c (size 2520) nd (size 2012) 1 e (size 1608) rf (size 1005) chip inductors series: chip type: rf, nc, fa, pe, ea re, na, fb, pc, nd, fc, sa, pa, industrial property: patents 6 (incl. pending) n features l high q l good for mounting l wide allowable range (1.0 nh to 1000 h) n recommended applications l ctv, vtr, hic, hdd, fdd, cordless telephones, portable telephones pagers, video cameras non winding (rf, 1 e) and wire wound type chip inductors for automatic mounting and high-density mounting
chip inductors n inductance, size guide
chip inductors eljrf1n0df2 eljrf1n2df2 eljrf1n5df2 eljrf1n8df2 eljrf2n2df2 eljrf2n7df2 eljrf3n3df2 eljrf3n9df2 eljrf4n7df2 eljrf5n6df2 eljrf6n8jf2 eljrf8n2jf2 eljrf10njf2 eljrf12njf2 eljrf15njf2 eljrf18njf2 eljrf22njf2 eljrf27njf2 eljrf33njf2 eljrf39njf2 eljrf47njf2 eljrf56njf2 eljrf68njf2 eljrf82njf2 eljrfr10jf2 1. non magnetic core types rf, re, nd, nc, na n examples : type 1005(0402)rf nh tolerance 1.0 1.2 1.5 1.8 2.2 0.3 nh 2.7 3.3 3.9 4.7 5.6 6.8 8.2 10 12 15 18 22 5% 27 33 39 47 56 68 82 100 q min. 8 q (800 mhz) 21 21 21 21 21 21 21 20 20 20 19 19 19 19 19 19 19 19 18 18 17 17 15 15 14 srf. ] 1 min.(mhz) 6000 6000 6000 6000 6000 5500 5500 5200 4800 4600 4000 3500 2800 2800 2500 2200 2000 1800 1800 1800 1800 1500 1500 1400 1200 dcr. ] 2 max.( w ) 0.05 0.06 0.07 0.08 0.09 0.10 0.12 0.15 0.17 0.19 0.30 0.35 0.41 0.45 0.60 0.70 0.80 1.2 1.4 1.7 2.1 2.5 4.0 4.5 5.5 dc current max.(ma) 400 400 400 400 400 400 400 360 360 340 320 320 320 320 240 240 200 200 170 150 140 130 120 110 0 90 n performance characteristics type: 1005 (0402) rf part no. inductnce typical l,q test-freq. (mhz) 100 ] 1 : self resonant frequency ] 2 : dc resistance
chip inductors n q-frequency characteristics type: 1608 (0603) re n examples : type 1608(0603)re 1.0 1.2 1.5 1.8 2.2 2.7 3.3 3.9 4.7 5.6 6.8 8.2 q min. 47 47 47 45 35 35 35 36 36 36 36 36 37 37 38 39 40 41 40 39 38 35 35 33 30 25 22 20 ? 6000 6000 6000 6000 6000 6000 5500 5500 4800 4600 3550 3500 2800 2800 2500 2300 2000 2000 1800 1800 1800 1800 1500 1500 1300 1200 1100 1000 900 0.05 0.06 0.07 0.08 0.09 0.10 0.12 0.15 0.17 0.18 0.20 0.28 0.32 0.35 0.41 0.45 0.50 0.55 0.60 0.80 0.95 1.2 1.3 1.5 1.8 3.0 4.5 6.5 7.5 500 500 500 500 500 500 500 450 450 430 430 400 400 400 350 350 300 300 300 300 250 250 250 250 200 130 100 80 70 eljre1n0df2 eljre1n2df2 eljre1n5df2 eljre1n8df2 eljre2n2df2 eljre2n7df2 eljre3n3df2 eljre3n9jf2 eljre4n7jf2 eljre5n6jf2 eljre6n8jf2 eljre8n2jf2 eljre10njf2 eljre12njf2 eljre15njf2 eljre18njf2 eljre22njf2 eljre27njf2 eljre33njf2 eljre39njf2 eljre47njf2 eljre56njf3 eljre68njf3 eljre82njf3 eljrer10jf3 eljrer12jf3 eljrer15jf3 eljrer18jf3 eljrer22jf3 7 8 9 10 11 12 5 4 nh tolerance 25.2 0.3 nh 5 % 100 . l , q test-freq. ( mhz) dcr ] 2 max.( w ) dc current max.(ma) srf ] 1 min.(mhz) 10 12 15 18 22 27 33 39 47 56 68 82 100 120 150 180 220 part no. inductance q typical (800 mhz) ] 1 : self resonant frequency ] 2 : dc resistance
chip inductors 100 25.2 7.96 eljnd10nkf eljnd12nkf eljnd15nkf eljnd18nkf eljnd22nkf eljnd27nkf eljnd33nj/kf eljnd39nj/kf eljnd47nj/kf eljnd56nj/kf eljnd68nj/kf eljnd82nj/kf eljndr10j/kf eljndr12j/kf eljndr15j/kf eljndr18j/kf eljndr22j/kf eljndr27j/kf eljndr33j/kf eljndr39j/kf eljndr47j/kf eljndr56j/kf eljndr68j/kf eljndr82j/kf eljnd1r0j/kf n examples : type 2012(0805)nd nh tolerance 10 12 15 10 % 18 22 27 33 39 47 56 68 82 100 120 150 5 % 180 10 % 220 270 330 390 470 560 680 820 1000 q min. 10 12 15 8 10 8 3300 3300 3000 3000 2600 2500 2050 2000 1650 1550 1450 1100 800 600 600 600 500 300 200 150 150 100 100 80 80 0.18 0.24 0.24 0.29 0.29 0.34 0.39 0.41 0.46 0.51 0.57 0.63 0.86 0.99 1.47 1.61 1.84 1.95 2.16 2.37 2.56 2.69 3.02 3.38 3.88 540 535 520 480 465 455 395 390 385 360 340 330 285 275 230 195 170 165 160 150 145 140 130 125 120 72 67 73 74 75 73 80 72 71 63 57 56 51 32 36 34 ? ? ? ? ? ? ? ? ? n q-frequency characteristics type: 2012 (0805) nd l , q test-freq. ( mhz) dcr ] 2 max.( w ) dc current max.(ma) srf ] 1 min.(mhz) part no. inductance q typical (800 mhz) ] 1 : self resonant frequency ] 2 : dc resistance
chip inductors n examples : type 2520(1008)nc nh 10 2500 0.32 280 12 10 2200 0.34 270 15 10 % 1800 0.38 255 18 1550 0.40 250 22 1350 0.43 240 27 100 1150 0.47 230 33 1000 0.51 220 39 15 890 0.55 215 47 770 0.59 205 56 670 0.63 200 68 590 0.68 190 82 520 0.73 185 100 460 0.80 175 120 400 0.87 170 150 10 % 340 0.98 160 180 5 % 300 1.05 155 220 260 1.15 145 270 10 25.2 230 1.25 140 330 200 1.37 135 390 180 1.47 130 470 160 1.58 125 560 145 1.70 120 680 130 1.85 110 820 100 2.10 100 tolerance q min. eljnc10nkf eljnc12nkf eljnc15nkf eljnc18nkf eljnc22nkf eljnc27nkf eljnc33nk/jf eljnc39nk/jf eljnc47nk/jf eljnc56nk/jf eljnc68nk/jf eljnc82nk/jf eljncr10k/jf eljncr12k/jf eljncr15k/jf eljncr18k/jf eljncr22k/jf eljncr27k/jf eljncr33k/jf eljncr39k/jf eljncr47k/jf eljncr56k/jf eljncr68k/jf eljncr82k/jf n examples : type 3225(1210)na h 0.047 680 0.20 450 0.056 600 0.22 420 0.068 100 100 540 0.25 400 0.082 20 % 500 0.27 380 450 0.30 360 0.12 400 0.67 240 0.15 25.2 350 0.72 230 0.18 10 320 0.81 220 0.22 280 0.90 210 0.27 250 1.0 200 0.33 25.2 220 1.1 190 0.39 10 % 200 1.2 180 0.47 180 1.4 175 0.56 160 1.5 170 0.68 150 1.7 155 0.82 135 1.9 145 1.0 120 2.1 125 1.2 1.0 110 2.3 120 1.5 95 2.7 115 1.8 85 3.0 110 2.2 80 3.2 110 2.7 5 % 13 7.96 70 3.6 105 3.3 62 4.2 100 3.9 57 4.4 95 4.7 52 7.7 70 5.6 46 8.7 65 6.8 42 10 60 8.2 38 11 60 freq. (mhz) tolerance min. freq. (mhz) eljna47nmf eljna56nmf eljna68nmf eljna82nmf eljnar10mf eljnar12mf eljnar15mf eljnar18mf eljnar22kf eljnar27kf eljnar33kf eljnar39kf eljnar47kf eljnar56kf eljnar68kf eljnar82kf eljna1r0jf eljna1r2jf eljna1r5jf eljna1r8jf eljna2r2jf eljna2r7jf eljna3r3jf eljna3r9jf eljna4r7jf eljna5r6jf eljna6r8jf eljna8r2jf q 0.10 l , q test freq.( mhz) dcr ] 2 max.( w ) srf ] 1 min.(mhz) part no. inductance srf ] 1 min.(mhz) dcr ] 2 max.( w ) part no. inductance dc current max.(ma) dc current max.(ma) ] 1 : self resonant frequency ] 2 : dc resistance ] 1 : self resonant frequency ] 2 : dc resistance
chip inductors h 0.22 230 190 0.27 210 180 0.33 190 170 0.39 20 % 25.2 175 160 0.47 10 % 160 155 0.56 150 150 0.68 135 140 0.82 125 130 1.0 115 195 1.2 100 180 1.5 90 170 1.8 85 160 2.2 25 80 155 2.7 7.96 75 145 3.3 65 135 3.9 10 % 60 130 4.7 55 125 5.6 5% 50 120 6.8 45 115 8.2 40 105 10 32 80 12 30 75 15 28 70 18 25 65 22 22 60 27 2.52 21 115 33 20 110 39 18 90 47 20 17 80 56 16 75 68 15 70 82 13 65 100 15 0.796 12 60 tolerance eljfcr22m/kf eljfcr27m/kf eljfcr33m/kf eljfcr39m/kf eljfcr47m/kf eljfcr56m/kf eljfcr68m/kf eljfcr82m/kf eljfc1r0k/jf eljfc1r2k/jf eljfc1r5k/jf eljfc1r8k/jf eljfc2r2k/jf eljfc2r7k/jf eljfc3r3k/jf eljfc3r9k/jf eljfc4r7k/jf eljfc5r6k/jf eljfc6r8k/jf eljfc8r2k/jf eljfc100k/jf eljfc120k/jf eljfc150k/jf eljfc180k/jf eljfc220k/jf eljfc270k/jf eljfc330k/jf eljfc390k/jf eljfc470k/jf eljfc560k/jf eljfc680k/jf eljfc820k/jf eljfc101k/jf 2. normal types fc, fa, sa, fb n examples : type 2520(1008)fc q min. 0.70 0.75 0.85 0.95 1.0 1.1 1.25 1.4 0.65 0.75 0.85 0.95 1.05 1.2 1.3 1.4 1.55 1.75 1.95 2.2 3.5 3.8 4.4 5.0 5.8 6.3 7.1 9.5 11.0 12.1 16.6 19.0 21.0 srf ] 1 min.(mhz) dcr ] 2 max.( w ) part no. inductance l , q test freq.( mhz) ] 1 : self resonant frequency ] 2 : dc resistance dc current max.(ma)
chip inductors n examples : type 3225(1210)fa h tolerance 0.22 230 0.29 360 0.27 210 0.32 345 0.33 190 0.35 330 0.39 20 % 25 25.2 175 0.39 305 0.47 10 % 160 0.44 290 0.56 150 0.49 275 0.68 135 0.55 260 0.82 125 0.61 245 1.0 115 0.69 230 1.2 100 0.75 215 1.5 90 0.75 210 1.8 85 0.82 200 2.2 80 0.95 190 2.7 7.96 75 1.1 180 3.3 65 1.2 180 3.9 60 1.3 175 4.7 55 1.5 165 5.6 50 1.6 160 6.8 45 1.8 150 8.2 30 40 2.0 140 10 36 2.1 140 12 10 % 33 2.5 125 15 30 2.8 120 18 5% 27 3.3 110 22 25 3.7 105 27 2.52 22 5.0 90 33 20 5.6 85 39 20 6.4 80 47 15 7.0 75 56 15 8.0 70 68 15 9.0 65 82 11 10 60 100 10 10 60 120 10 11 55 150 20 0.796 8 15 50 180 7 17 50 220 7 21 45 eljfar22m/kf2 eljfar27m/kf2 eljfar33m/kf2 eljfar39m/kf2 eljfar47m/kf2 eljfar56m/kf2 eljfar68m/kf2 eljfar82m/kf2 eljfa1r0k/jf2 eljfa1r2k/jf2 eljfa1r5k/jf eljfa1r8k/jf eljfa2r2k/jf eljfa2r7k/jf eljfa3r3k/jf eljfa3r9k/jf eljfa4r7k/jf eljfa5r6k/jf eljfa6r8k/jf eljfa8r2k/jf eljfa100k/jf eljfa120k/jf eljfa150k/jf eljfa180k/jf eljfa220k/jf eljfa270k/jf eljfa330k/jf eljfa390k/jf eljfa470k/jf eljfa560k/jf eljfa680k/jf eljfa820k/jf eljfa101k/jf eljfa121k/jf eljfa151k/jf eljfa181k/jf eljfa221k/jf ] 1 : self resonant frequency ] 2 : dc resistance q min. srf ] 1 min.(mhz) dcr ] 2 max.( w ) part no. inductance l , q test freq.( mhz) dc current max.(ma)
chip inductors n examples : type 3225(1210)sa h 10 30 1.8 18 12 28 2.0 17 15 25 2.2 15 18 23 2.5 13 22 5.0 20 2.8 12 27 18 3.2 10 33 1.0 17 3.5 10 39 15 3.8 9 47 10 % 40 14 4.0 8 56 13 4.5 7 68 12 5.0 6 82 11 6.0 6 100 10 7.0 5 120 1.5 9 8.0 5 150 5 9.0 5 180 0.1 511 5 220 4 12 5 270 4 14 5 freq. (mhz) tolerance min. freq. (mhz) eljsa100kf eljsa120kf eljsa150kf eljsa180kf eljsa220kf eljsa270kf eljsa330kf eljsa390kf eljsa470kf eljsa560kf eljsa680kf eljsa820kf eljsa101kf eljsa121kf eljsa151kf eljsa181kf eljsa221kf eljsa271kf n examples : type 4532(1812)fb h 100 2.52 6.7 8.8 105 120 6.1 10 100 150 1.5 5.5 11 95 180 40 5.1 13 85 220 4.5 13 85 270 10 % 4.1 14 80 330 0.1 5% 3.7 16 75 390 3.3 19 70 470 0.796 3.3 31 55 560 2.7 35 50 680 30 2.5 39 50 820 2.4 45 45 1000 2.1 53 40 freq. (mhz) tolerance min. freq. (mhz) eljfb101k/jf eljfb121k/jf eljfb151k/jf eljfb181k/jf eljfb221k/jf eljfb271k/jf eljfb331k/jf eljfb391k/jf eljfb471k/jf eljfb561k/jf eljfb681k/jf eljfb821k/jf eljfb102k/jf q srf ] 1 min.(mhz) dcr ] 2 max.( w ) part no. inductance ] 1 : self resonant frequency ] 2 : dc resistance dc current max.(ma) ] 1 : self resonant frequency ] 2 : dc resistance q srf ] 1 min.(mhz) dcr ] 2 max.( w ) part no. inductance dc current max.(ma)
chip inductors 3. high power types pe, pc, pa 2.2 2.7 3.3 3.9 4.7 5.6 6.8 8.2 10 .0 12 .0 15 .0 18 .0 22 .0 6000 5500 5500 5200 4800 4600 4000 3500 2800 2500 2200 2000 1800 0.030 0.030 0.040 0.040 0.050 0.055 0.055 0.060 0.065 0.080 0.100 0.120 0.150 2.1 2.1 2.1 2.1 2.1 2.1 1.9 1.7 1.4 1.3 0.9 0.8 0.7 eljpe2n2kf eljpe2n7kf eljpe3n3kf eljpe3n9kf eljpe4n7kf eljpe5n6kf eljpe6n8kf eljpe8n2kf eljpe10nkf eljpe12nkf eljpe15nkf eljpe18nkf eljpe22nkf 8 9 nh tolerance 10 % 100 . h tolerance 1.0 95 0.45 475 1.5 10 85 0.55 435 2.2 20 % 7.96 65 0.65 390 3.3 55 0.85 340 4.7 8 43 1.2 285 6.8 8.5 44 1.3 170 10 32 2.2 210 12 10 % 25 2.7 195 15 20 2.52 21 3.2 175 22 18 4.0 160 33 16 6.5 120 eljpc1r0mf eljpc1r5mf eljpc2r2mf eljpc3r3mf eljpc4r7mf eljpc6r8kf eljpc100kf eljpc120kf eljpc150kf eljpc220kf eljpc330kf n examples : type 2520(1008)pc n xamples : type 1608(0603)pe ] 1 : self resonant frequency ] 2 : dc resistance ] 1 : self resonant frequency ] 2 : dc resistance q min. srf ] 1 min.(mhz) dcr ] 2 max.( w ) part no. inductance l , q test freq.( mhz) dc current max.(ma) q min. srf ] 1 min.(mhz) dcr ] 2 max.( w ) part no. inductance l , q test freq.( mhz) dc current max.(ma)
chip inductors n examples : type 3225(1210)pa h 1.0 150 0.15 600 1.5 110 0.18 550 2.2 20 % 7 7.96 80 0.23 500 3.3 58 0.28 400 4.7 46 0.34 350 6.8 38 0.42 300 10 23 0.50 240 12 21 0.60 230 15 18 0.74 220 18 17 0.90 205 22 15 1.15 185 27 15 2.52 13 1.45 165 33 12 1.65 155 39 11 1.90 145 47 9.5 2.25 135 56 10 % 8.5 3.30 110 68 7.5 3.70 105 82 7.0 4.20 100 100 6.5 5.00 90 120 6.0 7.00 75 150 5.5 8.00 70 180 20 0.796 5.0 9.50 65 220 4.0 11.0 60 270 3.5 14.5 55 330 3.0 16.0 50 tolerance eljpa1r0mf eljpa1r5mf eljpa2r2mf eljpa3r3mf eljpa4r7mf eljpa6r8mf eljpa100kf eljpa120kf eljpa150kf eljpa180kf eljpa220kf eljpa270kf eljpa330kf eljpa390kf eljpa470kf eljpa560kf eljpa680kf eljpa820kf eljpa101kf eljpa121kf eljpa151kf eljpa181kf eljpa221kf eljpa271kf eljpa331kf n examples : type 3225(1210)ea h 1.0 100 0.09 500 1.5 80 0.10 390 2.2 20 % 7 7.96 65 0.13 350 3.3 50 0.16 270 4.7 46 0.18 240 6.8 36 0.25 200 10 29 0.34 160 15 25 0.42 145 22 18 0.65 115 33 10 2.52 16 0.91 95 47 13 1.30 80 68 10 % 10 1.95 60 100 8.0 3.12 50 150 7.0 4.03 45 220 20 0.796 5.0 7.15 35 330 4.0 9.23 30 tolerance eljea1r0mf eljea1r5mf eljea2r2mf eljea3r3mf eljea4r7mf eljea6r8mf eljea100kf eljea150kf eljea220kf eljea330kf eljea470kf eljea680kf eljea101kf eljea151kf eljea221kf eljea331kf q min. srf ] 1 min.(mhz) dcr ] 2 max.( w ) part no. inductance l , q test freq.( mhz) ] 1 : self resonant frequency ] 2 : dc resistance ] 1 : self resonant frequency ] 2 : dc resistance dc current max.(ma) q min. srf ] 1 min.(mhz) dcr ] 2 max.( w ) part no. inductance l , q test freq.( mhz) dc current max.(ma) 4. low dc resistance type ea
chip inductors n dimensions in mm (not to scale) n recommended land pattern in mm (not to scale) type a b c rf 0.5~0.6 1.5~1.7 0.5~0.6 1 e 0.8~1.0 2.0~2.6 0.7~0.9 nd 1.0~1.2 3.0~3.8 0.9~1.3 1 c 1.4~1.5 3.5~4.0 1.2~1.6 1 a 1.6~2.0 4.0~4.6 1.9~2.4 fb 2.4~2.6 5.5~6.0 2.0~3.0 type re, pe (1.6 0.8 0.8) type nd (2.0 1.25 1.25) type rf (1.0 0.5 0.5) 1 e: re, pe 1 c: nc, fc, pc 1 a: na, fa, sa, pa, ea
chip inductors n embossed carrier tape dimensions in mm (not to scale) types re, pe, nd, nc, fc, pc (w=8 mm) types na, fa, sa, pa , ea (w=8 mm) type fb (w=12 mm) n paper tape dimensions in mm (not to scale) type rf
chip inductors n packaging methods quantity, mass rf 10000 pcs. ? re, pe, nd 3000 pcs. 90 g nc, fc, pc 2000 pcs. 100 g na, fa, sa, pa, ea 2000 pcs. 170 g fb 500 pcs. 100 g quantity mass (weight) approx. a b cd ew rf 180 60 13 21 2 9 re, pe, nd, nc, fc 180 60 13 21 2 9 pc, na, fa, sa, pa, ea fb 180 60 13 21 2 13 abwfep 1 p 2 p 3 f d 0 f d 1 t 1 t 2 size/types 1608(0603) re, pe 1.0 1.8 8 3.5 1.75 4.0 2.0 4.0 1.5 0.6 (0.27) 1.2 2012(0805) nd 1.45 2.25 8 3.5 1.75 4.0 2.0 4.0 1.5 1.0 (0.25) 1.55 2520(1008) nc, fc, pc 2.4 2.9 8 3.5 1.75 4.0 2.0 4.0 1.5 1.1 (0.25) 1.85 3225(1210) na, fa, sa, pa, ea 2.8 3.6 8 3.5 1.75 4.0 2.0 4.0 1.5 ? (0.25) 2.4 4532(1812) fb 3.6 4.9 12 5.5 1.75 8.0 2.0 4.0 1.5 ? (0.3) 3.5 n reel dimensions in mm (not to scale) dimensions dimensions types l standard packing quantity and mass types
chip inductors cautions for use for securing upgraded reliability and safety, consider following caution items. 1. land pattern design refer to the recommended land dimensions of each type at flow and reflow solderings. avoid placing the chip inductor on any metal pattern except the land because the drop of q and mutual conductance may occur. provisions for venting of flux gases should be made for high density assemblies. 2. mounting placement force should not exceed 20n because electric and magnetic characteristics change by applying strong force. 3. soldering a flow soldering recommended conditions; 260 ?c max., 5sec. max.(total time at 2 waves method) b reflow soldering 1 infra-red reflow soldering recommended conditions: 200 ?c or high at electrode, 60sec. max. and peak 250 ?c max., 5sec. max. if the solder at the two electrodes are not melt simultaneously, the chip inductor may not be mounted on the right place. it is recommended to fix by adhesive when the deviation is great. 2 vps reflow soldering recommended conditions: 2155 ?c, 20 to 60sec. 4. cleaning 1 do not use acid or alkari agents. some cleaning solvents out of cfc may damage the products. confirm the reliability in advance. 2 if ultrasonic cleaning is employed, please inform us immediately for technical consultation. 5. instructions for applying current the rated current is defined as the smaller value of either the current value when the inductance drops 10 % down from the initial point, or the current value when the average temperature of coil inside rises 20 k up from initial point. do not operate this coils beyond the specified rated current. 6. storage 1 be careful a high temperature, a large amount of moisture, gases and magnetic field. 2 at long storage of more than 1 year, use the products after inspecting the outer structure

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