power inductors type: cdrh4d28 , cdrh4d28c , cdrh4d28c/ld please refer to the sales offices on our website for a representative near you www.sumida.com 1/3 product description ? 5.0 5.0mm max.(l w), 3.0mm max. height.(cdrh4d28) ? 5.1 5.1mm max.(l w), 3.0mm max. height.( cdrh4d28c,cdrh4d28c/ld) ? standard type cdrh4d28, cdrh4 d28c and low dcr type cdrh4d 28c/ld are available. ? inductance range:1.2 180 h(cdrh4d28); 1.1 100 h(cdrh4d28c);1.0 100 h(cdrh4d28c /ld); ? rated current range:0.22 2.56a(cdrh4d28); 0.4 3.8a(cdrh4d28c); 0.3 3.0a (cdrh4d28c /ld); ? in addition to the standards versions shown here, cust om inductors are also available to meet your exact requirements. feature ? magnetically shielded construction. ? ideally used in mobile phone,pda, mp3,hdd,dsc/dvc,note book pc,etc as dc-dc converter inductors. ? rohs compliance. dimensions (mm) cdrh4d28 cdrh4d28c, cdrh4d28c/ld 4.70.3 4.5 4.70.3 1.5 4.5 6 . 9 max . 3.0 max. (2.8) electrode terminal 4.9 0.2 3.0 max. 4.9 0.2 1 . 4 0 . 2 4 . 4 0 . 3 6 . 2 m a x .
power inductors type: cdrh4d28 , cdrh4d28c , cdrh4d28c/ld please refer to the sales offices on our website for a representative near you www.sumida.com 2/3 land pattern (mm) cdrh4d28 cdrh4d28c,cdrh4d28c/ld specification(cdrh4d28) part no. stamp inductance ( h) 100khz/1v d.c.r.( ) max.(typ.) ( 20 ) rated current (a) 1-1 cdrh4d28np-1r2n 1r2 1.2 30% 23.6m(17.5m) 2.56 cdrh4d28np-1r8n 1r8 1.8 30% 27.5m(20.4m) 2.20 cdrh4d28np-2r2n 2r2 2.2 30% 31.3m(23.2m) 2.04 cdrh4d28np-2r7n 2r7 2.7 30% 43.3m(32.1m) 1.60 cdrh4d28np-3r3n 3r3 3.3 30% 49.2m(36.4m) 1.57 cdrh4d28np-3r9n 3r9 3.9 30% 64.8m(48.0m) 1.44 cdrh4d28np-4r7n 4r7 4.7 30% 72.0m(53.3m) 1.32 cdrh4d28np-5r6n 5r6 5.6 30% 100.9m(74.7m) 1.17 cdrh4d28np-6r8n 6r8 6.8 30% 108.9m(80.7m) 1.12 cdrh4d28np-8r2n 8r2 8.2 30% 117.5m(87.0m) 1.04 cdrh4d28np-100n 100 10 30% 128.3m(95.0m) 1.00 cdrh4d28np-120n 120 12 30% 131.6m(97.5m) 0.84 cdrh4d28np-150n 150 15 30% 149.0m(110.4m) 0.76 cdrh4d28np-180n 180 18 30% 166.0m(123.0m) 0.72 cdrh4d28np-220n 220 22 30% 235.0m(174.5m) 0.70 cdrh4d28np-270n 270 27 30% 261.0m(193.3m) 0.58 cdrh4d28np-330n 330 33 30% 331.3m(254.8m) 0.56 cdrh4d28np-390n 390 39 30% 383.7m(284.2m) 0.50 cdrh4d28np-470n 470 47 30% 587.0m(435.0m) 0.48 cdrh4d28np-560n 560 56 30% 624.5m(462.6m) 0.41 cdrh4d28np-680n 680 68 30% 699.0m(517.8m) 0.35 cdrh4d28np-820n 820 82 30% 914.8m(677.6m) 0.32 cdrh4d28np-101n 101 100 30% 1.02(765.8m) 0.29 cdrh4d28np-121n 121 120 30% 1.27(976.8m) 0.27 cdrh4d28np-151n 151 150 30% 1.35(1.08) 0.24 cdrh4d28np-181n 181 180 30% 1.54(1.23) 0.22 1-1. rated current: the dc current at which the inductance decreases to 65% of its nominal value or when t=40 , whichever is lower(ta=20 ). 1.5 1.9 1.9 5.3 4 . 0 6 . 5 2 .0 4 5
power inductors type: cdrh4d28 , cdrh4d28c , cdrh4d28c/ld please refer to the sales offices on our website for a representative near you www.sumida.com 3/3 specification(cdrh4d28c) part no. stamp inductance ( h) 100khz/1v d.c.r.( ) max.(typ.) ( 20 ) rated current (a) 1-1 cdrh4d28cnp-1r1p a 1.1 25% 22m(17.5m) 3.8 cdrh4d28cnp-2r0p b 2.0 25% 29m(23.0m) 2.6 cdrh4d28cnp-3r2p c 3.2 25% 42m(33.3m) 2.3 cdrh4d28cnp-4r7p d 4.7 25% 63m(50.0m) 1.8 cdrh4d28cnp-6r3p e 6.3 25% 94m(75.0m) 1.3 cdrh4d28cnp-100p f 10 25% 106m(85.0m) 1.26 cdrh4d28cnp-150p g 15 25% 137m(110m) 1.05 cdrh4d28cnp-220p h 22 25% 207m(166m) 850m cdrh4d28cnp-330p i 33 25% 331m(265m) 700m cdrh4d28cnp-470p j 47 25% 510m(408m) 540m cdrh4d28cnp-680p k 68 25% 625m(500m) 490m cdrh4d28cnp-101p l 100 25% 948m(758m) 400m specification(cdrh4d28c/ld) part no. stamp inductance ( h) 100khz/1v d.c.r.(m ) max.(typ.) ( 20 ) saturation current(a) 1-2 temperature rise current (a) 2 cdrh4d28cldnp-1r0p a 1.0 25% 17.5(14) 3.0 4.9 cdrh4d28cldnp-2r2p b 2.2 25% 23.8(19) 2.0 3.6 cdrh4d28cldnp-3r3p c 3.3 25% 28.9(23) 1.6 3.2 cdrh4d28cldnp-4r7p d 4.7 25% 36.3(29) 1.5 2.9 cdrh4d28cldnp-6r8p e 6.8 25% 48.8(39) 1.2 2.4 cdrh4d28cldnp-100p f 10 25% 67.5(54) 0.90 1.8 cdrh4d28cldnp-150p g 15 25% 93.4(75) 0.81 1.6 cdrh4d28cldnp-220p h 22 25% 140(112) 0.65 1.25 cdrh4d28cldnp-330p i 33 25% 223(179) 0.55 0.92 cdrh4d28cldnp-470p j 47 25% 272(218) 0.43 0.86 cdrh4d28cldnp-680p k 68 25% 366(293) 0.36 0.72 cdrh4d28cldnp-101p l 100 25% 520(416) 0.30 0.61 description of part name cdrh4d28cldnp-1r0p 1-2.saturation current: the dc current at which the inductance decreases to 65% of its nominal value. 2 temperature rise current: the dc current at which the temperature rise is t 40 .(ta 20 ) b box c carrier tape
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