Delta Electronics Power Supply SIW75 User Manual

SMT Power Inductor  
SIW75 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.  
RECOMMENDED PAD PATTERNS  
Mechanical Dimension:  
3.0  
F
C
UNIT:mm/inch  
2.0  
E
D
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 0.1 / 0.039 0.004  
F = 2.0 / 0.079  
4.3  
A
B
Electrical Characteristics: 25oC: 100KHz, 0.1V  
2
1
L
DCR  
(m ) MAX  
Irated  
(Adc)  
PART NO.  
471  
391  
(uH)  
SIW75 - 1R0  
SIW75 - 1R5  
SIW75 - 2R2  
SIW75 - 3R3  
SIW75 - 4R7  
SIW75 - 6R8  
SIW75 - 100  
SIW75 - 120  
SIW75 - 150  
SIW75 - 180  
SIW75 - 220  
SIW75 - 270  
SIW75 - 330  
SIW75 - 390  
SIW75 - 470  
SIW75 - 560  
SIW75 - 680  
SIW75 - 820  
SIW75 - 101  
SIW75 - 121  
SIW75 - 151  
SIW75 - 181  
SIW75 - 221  
SIW75 - 271  
SIW75 - 331  
SIW75 - 391  
SIW75 - 471  
1.0  
1.5  
0.023  
0.028  
0.032  
0.038  
0.049  
0.060  
0.070  
0.080  
0.090  
0.100  
0.120  
0.140  
0.160  
0.190  
0.220  
0.290  
0.340  
0.460  
0.550  
0.670  
0.900  
1.050  
1.350  
1.550  
2.050  
2.300  
2.600  
2.90  
2.60  
2.40  
2.20  
1.90  
1.70  
1.60  
1.50  
1.40  
1.30  
1.20  
1.10  
1.00  
0.91  
0.84  
0.72  
0.66  
0.58  
0.51  
0.42  
0.37  
0.35  
0.29  
0.28  
0.23  
0.21  
0.19  
331  
271  
221  
181  
151  
121  
101  
820  
680  
560  
470  
390  
330  
270  
2.2  
3.3  
100.00  
10.00  
1.00  
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  
220  
180  
150  
120  
100  
6R8  
4R7  
3R3  
2R2  
1R5  
1R0  
0.00  
0.01  
0.10  
1.00  
10.00  
CURRENT (A)  
1. Tolerance of inductance: 20% for 1.0~6.8uH, 10% for 10~470uH.  
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  
64  
 

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