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
45
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