Delta Electronics SIWC75 User Manual
SMT Power Inductor
SIWC75 Type
Features
RoHS compliant.
Small size (7.3mm*7.3mm), low profile (5.2mm max. height) SMD type.
Suitable for high density mounting.
High energy storage and low DCR.
Provided with embossed carrier tape packing.
Idel for power source circuits, DC-DC converter,
DC-AC inverters inductor application.
In addition to the standard versions shown here,
customized inductors are available to meet your exact requirements.
Mechanical Dimension:
B
A
Electrical Characteristics:
PART NO.
SIWC75 - 1R0 1.0 0.020 2.80
SIWC75 - 1R5 1.5 0.024 2.60
SIWC75 - 2R2 2.2 0.028 2.40
SIWC75 - 3R3 3.3 0.034 2.20
SIWC75 - 4R7 4.7 0.039 2.00
SIWC75 - 6R8 6.8 0.050 1.80
SIWC75 - 100 10.0 0.055 1.70
SIWC75 - 120 12.0 0.073 1.50
SIWC75 - 150 15.0 0.081 1.40
SIWC75 - 180 18.0 0.102 1.20
SIWC75 - 220 22.0 0.115 1.10
SIWC75 - 270 27.0 0.159 1.00
SIWC75 - 330 33.0 0.182 0.85
SIWC75 - 390 39.0 0.199 0.80
SIWC75 - 470 47.0 0.221 0.75
SIWC75 - 560 56.0 0.306 0.65
SIWC75 - 680 68.0 0.345 0.60
SIWC75 - 820 82.0 0.390 0.57
SIWC75 - 101 100.0 0.432 0.50
SIWC75 - 121 120.0 0.440 0.47
SIWC75 - 151 150.0 0.730 0.40
SIWC75 - 181 180.0 0.780 0.39
SIWC75 - 221 220.0 0.940 0.33
SIWC75 - 271 270.0 1.250 0.31
SIWC75 - 331 330.0 1.400 0.27
SIWC75 - 391 390.0 1.520 0.27
SIWC75 - 471 470.0 1.700 0.25
SIWC75 - 561 560.0 2.390 0.23
1. Tolerance of inductance: 20%.
2. Irated is the DC current which cause the inductance drop 10% typical of its nominal inductance without current
and the surface temperature of the part increase less than 45
3. Operating temperature : -20 to 105 (including self-temperature rise).
C
o
At 25 C: 100KHz, 0.1V
L
(uH)
1
DCR
( )MAX
oo
C C
F
Irated
(Adc)
E
D
2
RECOMMENDED PAD PATTERNS
3.0
2.0
4.3
700.00
100.00
10.00
INDUCTANCE(uH)
1.00
0.00 0.0 1 0 .10 1.00 10.00 100.00
o
C.
UNIT:mm/inch
A = 7.6 / 0.299 Max.
B = 7.6 / 0.299 Max.
C = 5.2 / 0.205 Max.
D = 5.3 0.1 / 0.209 0.004
E = 1.0 / 0.039
F = 2.0 / 0.079
561
471
391
331
271
221
181
151
121
101
820
680
560
470
390
330
270
220
180
150
120
100
6R8
4R7
3R3
2R2
1R5
1R0
CURRENT (A)
DELTA ELECTRONICS, INC.
(TAOYUAN PLANT CPBG)
252, SAN YING ROAD, KUEISAN INDUSTRIAL ZONE, TAOYUAN SHIEN, 333, TAIWAN, R.O.C.
TEL: 886-3-3591968; FAX: 886-3-3591991
http://www.deltaww.com
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