Delta Electronics Power Supply SILM315L User Manual

SMT Power Inductor  
SILM315L Type  
Features  
RoHS compliant.  
Low profile (1.5mm 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  
Ir 3  
(Adc)  
Isat 2  
(Adc)  
DCR  
) MAX  
PART NO.  
(uH)  
(
m
SILM315L - 2R2  
SILM315L - 3R3  
SILM315L - 4R7  
SILM315L - 5R6  
SILM315L - 6R8  
SILM315L - 8R2  
SILM315L - 100  
SILM315L - 120  
SILM315L - 150  
SILM315L - 180  
SILM315L - 220  
2.2  
3.3  
108  
168  
240  
264  
288  
420  
480  
540  
720  
816  
960  
0.90  
0.70  
0.60  
0.55  
0.52  
0.48  
0.45  
0.40  
0.35  
0.30  
0.25  
1.00  
0.90  
0.85  
0.80  
0.77  
0.72  
0.70  
0.65  
0.50  
0.40  
0.30  
4.7  
5.6  
6.8  
8.2  
10.0  
12.0  
15.0  
18.0  
22.0  
1. Tolerance of inductance: 30% for 2.2~8.2uH; 20% for 10~22uH.  
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  
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