SMT Power Inductor
SI54 Type
Features
RoHS compliant.
Low profile (3.5mm max.Height)), SMD type.
Unshielded.
Self-leads,suitable for high density mounting.
High energy storage and low DCR
Provided with embossed carrier tape packing.
Ideal 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
UNIT:mm/inch
A = 4.5±0.15
/
0.177±0.006
B = 4.0±0.15
/ 0.157±0.006
C = 3.2±0.3
/ 0.126±0.012
D = 1.0±0.2
/
0.039±0.008
4.0
1.0
5.2
D
BC
A
Electrical Characteristics: 25℃, 1KHz, 1V
1.Tolerance of inductance±15% for 1.0~8.2uH, ±10% for 10~68uH.
2.Irated is the DC current which cause the inductance drop less than 10% of its nominal inductance without current
and the surface temperature of the part increase less than 45℃.
3.Operating temperature:-20℃ to 105℃ (including self-temperature rise).
PART NO. L1
(uH)
DCR
(Ω) MAX
Irated2
(Adc)
SI54-1R0L 1.00 0.048 2.70
SI54-1R5L 1.50 0.056 2.60
SI54-1R8L 1.80 0.063 2.00
SI54-2R2L 2.20 0.071 1.90
SI54-2R7L 2.70 0.078 1.80
SI54-3R3L 3.30 0.086 1.70
SI54-3R9L 3.90 0.093 1.60
SI54-4R7L 4.70 0.108 1.50
SI54-5R6L 5.60 0.125 1.40
SI54-6R8L 6.80 0.131 1.30
SI54-8R2L 8.20 0.146 1.20
SI54-100
K
10.0 0.182 1.10
SI54-120
K
12.0 0.210 0.97
SI54-150
K
15.0 0.235 0.85
SI54-180
K
18.0 0.338 0.74
SI54-220
K
22.0 0.378 0.68
SI54-270
K
27.0 0.522 0.62
SI54-330
K
33.0 0.540 0.56
SI54-390
K
39.0 0.587 0.52
SI54-470
K
47.0 0.844 0.44
SI54-560
K
56.0 0.937 0.42
SI54-680
K
68.0 1.117 0.37
