Delta Electronics SMT Power Inductor SILM315L Specification Sheet

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: Mechanical Dimension:
B B
A A
Electrical Characteristics:
PART NO.
SILM315L - 2R2
SILM315L - 3R3
SILM315L - 4R7
SILM315L - 5R6
SILM315L - 6R8
SILM315L - 8R2
SILM315L - 100
SILM315L - 120
SILM315L - 150
SILM315L - 180
SILM315L - 220
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
4.Operating temperature : -20
DELTA ELECTRONICS, INC.
(TAOYUAN PLANT CPBG)
C C
o
25 : 100KHz, 0.1V C
1
L
(uH)
2.2
3.3
4.7
5.6
6.8
8.2
10.0
12.0
15.0
18.0
22.0
o o
C to 105 C (including self-temperature rise).
252, SAN YING ROAD, KUEISAN INDUSTRIAL ZONE, TAOYUAN SHIEN, 333, TAIWAN, R.O.C.
TEL: 886-3-3591968; FAX: 886-3-3591991
http://www.deltaww.com
RECOMMENDED PAD PA TTERNS RECOMMENDED PAD PA TTERNS
DCR
Isat
( m ) MAX
(Adc)
108 0.90
168 0.70
240 0.60
264 0.55
288 0.52
420 0.48
480 0.45
540 0.40
720 0.35
816 0.30
960 0.25
45 C.
45
UNIT:mm/inch UNIT:mm/inch
A = 3.2 / 0.126 Max. A = 3.2 / 0.126 Max.
B = 3.2 / 0.126 Max. B = 3.2 / 0.126 Max.
C = 1.5 / 0.059 Max. C = 1.5 / 0.059 Max.
D = 4.0 / 0.157 Max. D = 4.0 / 0.157 Max.
E = 2.2 / 0.087 E = 2.2 / 0.087
F = 1.0 / 0.039 F = 1.0 / 0.039
3
2
Ir
(Adc)
1.00
0.90
0.85
0.80
0.77
0.72
0.70
0.65
0.50
0.40
0.30
o