Delta Electronics SIWC73 User Manual
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:
Irated
(Adc)
F
2
B
A
Electrical Characteristics:
PART NO.
SIWC73 - 1R0 1.0 0.019 3.12
SIWC73 - 1R5 1.5 0.023 2.85
SIWC73 - 2R2 2.2 0.028 2.66
SIWC73 - 3R3 3.3 0.035 2.26
SIWC73 - 4R7 4.7 0.043 1.96
SIWC73 - 6R8 6.8 0.055 1.76
SIWC73 - 100 10.0 0.080 1.34
SIWC73 - 120 12.0 0.090 1.23
SIWC73 - 150 15.0 0.120 1.09
SIWC73 - 180 18.0 0.130 0.99
SIWC73 - 220 22.0 0.150 0.90
SIWC73 - 270 27.0 0.210 0.81
SIWC73 - 330 33.0 0.250 0.72
SIWC73 - 390 39.0 0.310 0.67
SIWC73 - 470 47.0 0.350 0.60
SIWC73 - 560 56.0 0.430 0.55
SIWC73 - 680 68.0 0.520 0.50
SIWC73 - 820 82.0 0.600 0.46
SIWC73 - 101 100.0 0.790 0.41
C
o
25 C: 100KHz, 0.1V
1
L
(uH)
DCR
( ) MAX
RECOMMENDED PAD PATTERNS
3.0
E
2.0
D
4.3
100.00
10.00
INDUCTANCE (uH)
1.00
0.00 0.01 0.10 1.00 10.00
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
101
820
680
560
470
390
330
270
220
180
150.
120
100
6R8
4R7
3R3
2R2
1R5
1R0
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 45
3. Operating temperature : -20 to 105 (including self-temperature rise).
oo
C C
o
C.
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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