Delta Electronics Power Supply 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:  
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 = 3.5/ 0.138 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  
25oC: 100KHz, 0.1V  
Electrical Characteristics:  
2
1
L
Irated  
(Adc)  
DCR  
) MAX  
PART NO.  
(uH)  
(
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  
1.0  
1.5  
0.019  
3.12  
2.85  
2.66  
2.26  
1.96  
1.76  
1.34  
1.23  
1.09  
0.99  
0.90  
0.81  
0.72  
0.67  
0.60  
0.55  
0.50  
0.46  
0.41  
101  
820  
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  
100.00  
680  
560  
470  
390  
330  
270  
220  
180  
150.  
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  
100  
10.00  
6R8  
4R7  
3R3  
2R2  
1R5  
1R0  
1.00  
0.00  
0.01  
0.10  
1.00  
10.00  
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  
67  
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