Delta Electronics Power Supply SIQ1250R User Manual

SMT Power Inductor  
SIQ1250R Type  
Features  
RoHS compliant.  
High current (8.0A, 3.5uH) 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 applications.  
In addition to the standard versions shown here, customized inductors  
are available to meet your exact requirements.  
Mechanical Dimension :  
B
RECOMMENDED PAD PATTERNS  
5.4  
2.9  
D
C
UNIT:mm/inch  
A = 12.2 0.3 / 0.480 0.012  
B = 12.2 0.3 / 0.480 0.012  
C = 5.0/ 0.197 Max.  
D = 7.6 0.3 / 0.299 0.012  
E = 5.0/ 0.197  
E
A
12.8  
7.0  
F = 2.2/ 0.087  
F
25oC, 100KHz, 0.1V  
Electrical Characteristics:  
2
L 1  
DCR  
(m ) MAX  
Irated  
(Adc)  
PART NO.  
(uH)  
SIQ1250R - 3R5  
SIQ1250R - 4R4  
SIQ1250R - 5R6  
SIQ1250RA - 5R6  
SIQ1250R - 6R8  
SIQ1250R - 8R2  
SIQ1250R - 100  
SIQ1250R - 181  
SIQ1250R - 271  
3.5  
4.4  
13  
16  
8.0  
7.4  
6.8  
7.0  
6.2  
5.5  
5.0  
1.0  
1.0  
5.6  
19  
5.6  
21  
6.8  
23  
8.2  
27  
10.0  
180.0  
270.0  
30  
290  
460  
1. Tolerance of inductance : 20%.  
2. Irated is the DC current which cause the inductance drop less than 25% 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  
27  
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