Delta Electronics Power Supply SILM315 User Manual

SMT Power Inductor  
SILM315 Type  
Features  
RoHS compliant.  
Low profile (1.55mm max. height) SMD type.  
Magnetically shielded, suitable for high density mounting.  
Self-leads, 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:  
RECOMMENDED PAD PATTERNS  
B
C
UNIT:mm/inch  
A = 3.2 / 0.126Max.  
B = 3.2/ 0.126 Max.  
C = 1.5/ 0.059 Max.  
D = 4.0/ 0.157 Max.  
E = 2.2/ 0.087  
A
F = 1.0/ 0.039  
Electrical Characteristics: 25oC,100KHz, 0.1V  
L 1  
(uH)  
Ir 3  
(Adc)  
Isat 2  
(Adc)  
DCR  
) MAX  
PART NO.  
(
m
SILM315 - 1R5  
SILM315 - 1R8  
SILM315 - 2R2  
SILM315 - 2R7  
SILM315 - 3R3  
SILM315 - 3R9  
SILM315 - 4R7  
SILM315 - 5R6  
SILM315 - 6R8  
SILM315 - 8R2  
SILM315 - 100  
SILM315 - 120  
1.5  
1.8  
63  
1.80  
1.65  
1.50  
1.35  
1.20  
1.10  
1.00  
0.95  
0.85  
0.80  
0.70  
0.62  
2.00  
1.80  
1.60  
1.40  
1.24  
1.12  
1.00  
0.98  
0.92  
0.80  
0.76  
0.64  
75  
94  
2.2  
2.7  
106  
125  
138  
169  
188  
213  
281  
294  
394  
3.3  
3.9  
4.7  
5.6  
6.8  
8.2  
10.0  
12.0  
1. Tolerance of inductance: 30%.  
2. Isat is the DC current which cause the inductance drop 35% typical of its nominal inductance without current.  
3. Ir is the DC current which cause the surface temperature of the part increase less than 45oC.  
4.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  
46  
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