SMT Power Inductor
SIWC73 Type
Features
RoHS compliant.
Small size (7.3mm*7.3mm), low profile (3.5mm max. height) SMD type.
Magnetically shielded, 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 PA
TTERNS
B
C
F
3.0
E
2.0
4.3
UNIT:mm/inch
A = 7.6 / 0.299 Max.
B = 7.6 / 0.299 Max.
C = 3.5 / 0.138 Max.
D = 5.3 0.1 / 0.209 0.004
E = 1.0 / 0.039
F = 2.0 / 0.079
A
D
Electrical Characteristics:
PART NO.
SIWC73 - 1R0
SIWC73 - 1R5
SIWC73 - 2R2
SIWC73 - 3R3
SIWC73 - 4R7
SIWC73 - 6R8
SIWC73 - 100
SIWC73 - 120
SIWC73 - 150
SIWC73 - 180
SIWC73 - 220
SIWC73 - 270
SIWC73 - 330
SIWC73 - 390
SIWC73 - 470
SIWC73 - 560
SIWC73 - 680
SIWC73 - 820
SIWC73 - 101
25
o
C: 100KHz, 0.1V
DCR
( ) MAX
0.019
0.023
0.028
0.035
0.043
0.055
0.080
0.090
0.120
0.130
0.150
0.210
0.250
0.310
0.350
0.430
0.520
0.600
0.790
L
1
(uH)
1.0
1.5
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
Irated
2
(Adc)
3.12
2.85
2.66
2.26
1.96
1.76
100.00
1.23
1.09
0.99
0.90
0.81
0.72
0.67
0.60
0.55
0.50
0.46
0.41
INDUCTANCE (uH)
1.34
10.00
101
820
680
560
470
390
330
270
220
180
150.
120
100
6R8
4R7
3R3
2R2
1R5
1.00
1R0
0.00
0.01
0.10
CURRENT (A)
1.00
10.00
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
o
C.
3. Operating temperature : -20
o
C to 105
o
C (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
http://www.deltaww.com
67
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