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:
RECOMMENDED PAD PATTERNS
F
B
C
3.0
UNIT:mm/inch
E
D
A = 7.6 / 0.299Max.
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
2.0
A
4.3
F = 2.0 / 0.079
o
At 25 C: 100KHz, 0.1V
Electrical Characteristics:
2
L1
(uH)
Irated
(Adc)
DCR
)MAX
PART NO.
700.00
100.00
(
561
471
391
331
271
221
181
151
121
101
820
680
560
470
390
330
270
SIWC75 - 1R0
SIWC75 - 1R5
SIWC75 - 2R2
SIWC75 - 3R3
SIWC75 - 4R7
SIWC75 - 6R8
SIWC75 - 100
SIWC75 - 120
SIWC75 - 150
SIWC75 - 180
SIWC75 - 220
SIWC75 - 270
SIWC75 - 330
SIWC75 - 390
SIWC75 - 470
SIWC75 - 560
SIWC75 - 680
SIWC75 - 820
SIWC75 - 101
SIWC75 - 121
SIWC75 - 151
SIWC75 - 181
SIWC75 - 221
SIWC75 - 271
SIWC75 - 331
SIWC75 - 391
SIWC75 - 471
SIWC75 - 561
1.0
1.5
0.020
0.024
0.028
0.034
0.039
0.050
0.055
0.073
0.081
0.102
0.115
0.159
0.182
0.199
0.221
0.306
0.345
0.390
0.432
0.440
0.730
0.780
0.940
1.250
1.400
1.520
1.700
2.390
2.80
2.60
2.40
2.20
2.00
1.80
1.70
1.50
1.40
1.20
1.10
1.00
0.85
0.80
0.75
0.65
0.60
0.57
0.50
0.47
0.40
0.39
0.33
0.31
0.27
0.27
0.25
0.23
2.2
3.3
4.7
6.8
10.0
12.0
15.0
18.0
22.0
27.0
33.0
39.0
47.0
56.0
68.0
82.0
100.0
120.0
150.0
180.0
220.0
270.0
330.0
390.0
470.0
560.0
220
180
150
120
100
10.00
1.00
6R8
4R7
3R3
2R2
1R5
1R0
0.00
0.01
0.10
1.00
10.00 100.00
CURRENT (A)
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 45oC.
3. Operating temperature : -20oC to 105oC (including self-temperature rise).
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
68
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