Delta Electronics 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:
B
A
Electrical Characteristics:
1
PART NO.
SILM315 - 1R5 1.5 63 1.80 2.00
SILM315 - 1R8 1.8 75 1.65 1.80
SILM315 - 2R2 2.2 94 1.50 1.60
SILM315 - 2R7 2.7 106 1.35 1.40
SILM315 - 3R3 3.3 125 1.20 1.24
SILM315 - 3R9 3.9 138 1.10 1.12
SILM315 - 4R7 4.7 169 1.00 1.00
SILM315 - 5R6 5.6 188 0.95 0.98
SILM315 - 6R8 6.8 213 0.85 0.92
SILM315 - 8R2 8.2 281 0.80 0.80
SILM315 - 100 10.0 294 0.70 0.76
SILM315 - 120 12.0 394 0.62 0.64
L
(uH)
C
F
o
25 100KHz, 0.1V
C,
1
L
(uH)
E
D
( ) MAX
m
RECOMMENDED PAD PATTERNS
.7
4
1
.7
DCR
UNIT:mm/inch
A = 3.2 / 0.126 Max.
.5
1
2
Isat
(Adc)
B = 3.2 / 0.126 Max.
C = 1.5 / 0.059 Max.
D = 4.0 / 0.157 Max.
E = 2.2 / 0.087
F = 1.0 / 0.039
Ir
(Adc)
3
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
4.Operating temperature : -20 to 105 (including self-temperature rise).
oo
C C
o
45 C.
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
http://www.deltaww.com
46
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