Power Inductors <SMD Type: CDRH Series>
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, CDRH4D28C and Low DCR type CDRH4D28C/LD are available.
・Inductance range:1.2～180μH(CDRH4D28); 1.1～100μH(CDRH4D28C);1.0～100μH(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, custom 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
※ 4.7±0.3
4.5
※ 4.7±0.3
1.5
4.5
6.9Max.
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
6.2Max.
Power Inductors <SMD Type: CDRH Series>
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
(μH)
100kHz/1V
D.C.R.(Ω)
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 1.91.9
5.3
4.0
6.5
2.0
45°
Power Inductors <SMD Type: CDRH Series>
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
(μH)
100kHz/1V
D.C.R.(Ω)
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
(μH)
100kHz/1V
D.C.R.(mΩ)
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
