design and specifications are each subject to change without notice. ask factory for the current technical specifications before purchase and/or us e. should a safety concern arise regarding this product, please be sure to contact us immediately. smd choke coils series: w type: ell7tw n explanation of part numbers singapore choke coils n dimensions in mm (not to scale) n features l magnetic shielded structure l low dc resistance and capable of corresponding l available on tape and reel for automatic insertion n recommended applications l dc/dc converter circuit for computer peripheral l choke coils for chopper circuit decoupling choked in dc/dc converter circuit n recommended land patterns in mm (not to scale) 1234567891011 product code design no. inductance, tolerance structure outer size choke coil (magnetic shield type) series m ell height height 150 ? 15 h m ? 20 % n ? 30 % 2r2 ? 2.2 h inductance tolerance ell7tw10 m 0 t 4.5 max. 7.000.50 7.000.50 marking date code 4.20.3 (0.90) (2.00) (5.00) (0.90) 5.0 2.2 1.5 1.5 type ell7tw n standard packing quantity l 1000 pcs./reel
design and specifications are each subject to change without notice. ask factory for the current technical specifications before purchase and/or us e. should a safety concern arise regarding this product, please be sure to contact us immediately. choke coils n examples n embossed carrier tape dimensions in mm (not to scale) 12.000.1 4.500.1 7.600.1 0.400.05 7.600.1 r0.3 max. 4 max. r0.5 max. 7.500.1 16.000.3 2.000.1 1.750.1 40.00.1 4.000.1 a b b a' b' f 1.50 +0.1 - 0 r0.3 max. 4 max. 1.000.1 1000 pcs./reel 1.000.1 b-b , section a-a , section tape running direction cumulative pitch deviation ] current: this indicates the value of current when the inductance is 70% more than nominal value and temperature rising d t=45?c lower at d.c superposition.(at 20?c) part number inductance (100khz) dcr (at 20 ?c) ] rated current (ma max.) marking tol. tol. ell7tw1r0n 1.0 11 4100 1r0 ell7tw1r5n 1.5 12 3800 1r5 ell7tw2r0n 2.0 14 3600 2r0 ell7tw2r7n 2.7 16 3100 2r7 ell7tw3r3n 3.3 30 % 18 2900 3r3 ell7tw3r9n 3.9 20 2600 3r9 ell7tw5r1n 5.1 22 2400 5r1 ell7tw6r2n 6.2 24 2100 6r2 ell7tw7r5n 7.5 26 1800 7r5 ell7tw8r2n 8.2 28 1700 8r2 ell7tw100m 10.0 30 1600 100 ell7tw120m 12.0 45 1500 120 ell7tw150m 15.0 51 1400 150 ell7tw180m 18.0 58 1300 180 ell7tw220m 22.0 64 1100 220 ell7tw270m 27.0 77 1000 270 ell7tw330m 33.0 89 930 330 ell7tw390m 39.0 97 20% 820 390 ell7tw470m 47.0 120 780 470 ell7tw560m 56.0 140 720 560 ell7tw680m 68.0 170 630 680 ell7tw820m 82.0 210 560 820 ell7tw101m 100.0 20% 230 530 101 ell7tw121m 120.0 270 480 121 ell7tw151m 150.0 360 430 151 ell7tw181m 180.0 400 390 181 ell7tw221m 220.0 540 350 221 ell7tw271m 270.0 730 320 271 ell7tw331m 330.0 840 290 331 ell7tw391m 390.0 930 260 391 ELL7TW471M 470.0 1220 240 471 ell7tw561m 560.0 1380 220 561 ell7tw681m 680.0 1990 210 681 ell7tw821m 820.0 2260 180 821 ell7tw102m 1000.0 2560 170 102 (m w ) (h)
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