Delta Electronics SILM320L User Manual
SMT Power Inductor
SILM320L Type
Features
RoHS compliant.
Low profile (2.0mm 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
A
Electrical Characteristics:
PART NO.
SILM320L - 2R2 2.2 41 0.85 2.30
SILM320L - 3R3 3.3 54 0.75 2.10
SILM320L - 4R7 4.7 78 0.63 1.65
SILM320L - 6R8 6.8 106 0.52 1.32
SILM320L - 100 10.0 180 0.43 1.00
SILM320L - 150 15.0 220 0.35 0.80
SILM320L - 220 22.0 320 0.30 0.68
SILM320L - 330 33.0 460 0.24 0.56
SILM320L - 470 47.0 660 0.20 0.48
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).
C
F
o
25 : 100KHz, 0.1V
C
1
L
(uH)
oo
C C
E
D
( ) MAX
m
DCR
.7
4
.5
1
1
.7
2
Isat
(Adc)
o
45 C.
UNIT:mm/inch
A = 3.2 / 0.126 Max.
B = 3.2 / 0.126 Max.
C = 2.0 / 0.079 Max.
D = 4.0 / 0.157 Max.
E = 2.2 / 0.087
F = 1.0 / 0.039
Ir
(Adc)
3
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
47
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