power inductors type: cdr74,cdr74b please refer to the sales offices on our website fo r a representative near you www.sumida.com 1/3 product description ? 8.05 7.45mm max.(l w), 4.85mm max. height.(cdr74). ? 8.15 7.35mm max.(l w), 4.9mm max. height.(cdr74b). ? inductance range: 10 270 h. ? rated current range: 0.31 1.64a(cdr74) ; 0.33 1.65a(cdr74b). ? in addition to the standards versions shown here, custom inductors are also available to meet your ex act requirements. feature ? magnetically shielded construction. ? ideally used in notebook pc,lcd tv ,game machine ,h dd,dsc/dvc, etc as dc-dc converter inductors. ? rohs compliance. dimensions (mm) cdr74 cdr74b 7.10.35 4.50.35 5.2 5 . 8 7 . 7 0 . 3 5 1 . 3 7.00.35 4.50.4 6.2 6 . 9 7 . 8 0 . 3 5 2 . 1
power inductors type: cdr74,cdr74b please refer to the sales offices on our website fo r a representative near you www.sumida.com 2/3 part of electrode part of silk 5.5 r 1.0 1 . 7 8 . 0 part of electrode part of solder resist printing 7.5 r 1.0 2 . 0 1 0 . 0 land pattern (mm) cdr74 cdr74b specification(cdr74) part name stamp inductance ( h ) d.c.r.( ) [max.] (at 20 ) rated current (a) 1-1 s.r.f. (mhz) [typ.] measured frequency cdr74np-100n 100 25% 10 15% 0.07 1.64 29.8 cdr74np-120n 120 25% 12 15% 0.08 1.50 26.4 cdr74np-150n 150 25% 15 15% 0.09 1.34 21.1 cdr74np-180n 180 25% 18 15% 0.11 1.22 20.0 cdr74np-220n 220 25% 22 15% 0.12 1.10 19.5 cdr74np-270n 270 25% 27 15% 0.17 1.00 16.5 cdr74np-330n 330 25% 33 15% 0.19 0.90 15.5 cdr74np-390n 390 25% 39 15% 0.21 0.83 14.4 cdr74np-470n 470 25% 47 15% 0.24 0.75 12.8 cdr74np-560n 560 25% 56 15% 0.32 0.69 11.6 cdr74np-680n 680 25% 68 15% 0.37 0.63 10.2 cdr74np-820n 820 25% 82 15% 0.40 0.57 9.95 at 2.52 mhz cdr74np-101m 101 20% 100 15% 0.54 0.52 8.59 cdr74np-121m 121 20% 120 15% 0.62 0.47 7.53 cdr74np-151m 151 20% 150 15% 0.86 0.42 7.00 cdr74np-181m 181 20% 180 15% 0.97 0.38 6.53 cdr74np-221m 221 20% 220 15% 1.31 0.35 5.07 cdr74np-271m 271 20% 270 15% 1.46 0.31 4.67 at 1 khz
power inductors type: cdr74,cdr74b please refer to the sales offices on our website fo r a representative near you www.sumida.com 3/3 specification(cdr74b) part name stamp inductance ( h) d.c.r.( ) max. (at 20 ) rated current ( ) 1-2 s.r.f. (mhz) [typ.] measured frequency cdr74bnp-100m 100 10 20% 0.07 1.65 26.3 cdr74bnp-120m 120 12 20% 0.07 1.57 25.1 cdr74bnp-150m 150 15 20% 0.08 1.39 19.9 cdr74bnp-180m 180 18 20% 0.10 1.29 19.3 cdr74bnp-220m 220 22 20% 0.13 1.12 18.4 cdr74bnp-270m 270 27 20% 0.16 1.06 15.7 cdr74bnp-330l 330 33 15% 0.18 0.97 15.3 cdr74bnp-390l 390 39 15% 0.18 0.91 14.0 cdr74bnp-470l 470 47 15% 0.27 0.80 12.4 cdr74bnp-560l 560 56 15% 0.29 0.76 11.8 cdr74bnp-680l 680 68 15% 0.33 0.68 10.0 cdr74bnp-820l 820 82 15% 0.43 0.62 9.3 at 2.52 mhz cdr74bnp-101k 101 100 10% 0.49 0.55 8.3 cdr74bnp-121k 121 120 10% 0.68 0.49 7.3 cdr74bnp-151k 151 150 10% 0.94 0.44 6.4 cdr74bnp-181k 181 180 10% 1.00 0.40 5.6 cdr74bnp-221k 221 220 10% 1.18 0.36 5.4 cdr74bnp-271k 271 270 10% 1.30 0.33 4.6 at 1 khz description of part name cdr74bnp-100m 1-1. rated current: the d.c. current at which the i nductance decreases to 80% of its nominal value or when t=40 , whichever is lower(ta=20 ). 1-2. rated current: the d.c. current at which the i nductance decreases to 90% of its initial value or when t=40 , whichever is lower(ta=20 ). b box c carrier tape
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