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SMT Power Inductor
SI54 Type
Features
RoHS compliant.
Low profile (3.5mm max. Height) SMD type.
Unshielded.
Self-leads, suitable for high density
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:
Electrical Characteristics:
L
PART NO.
(uH)
SI54 - 1R0
1.0
SI54A - 1R0
1.0
SI54 - 1R5
1.5
SI54 - 1R8
1.8
SI54 - 2R2
2.2
SI54 - 2R7
2.7
SI54 - 3R3
3.3
SI54A - 3R3
3.3
SI54 - 3R9
3.9
SI54 - 4R7
4.7
SI54A - 4R7
4.7
SI54 - 5R6
5.6
SI54 - 6R8
6.8
SI54 - 8R2
8.2
SI54 - 100
10.0
SI54 - 120
12.0
SI54 - 150
15.0
SI54 - 180
18.0
SI54 - 220
22.0
SI54 - 270
27.0
SI54 - 330
33.0
SI54 - 390
39.0
SI54 - 470
47.0
SI54A - 470
0.3
SI54 - 560
56.0
SI54A - 560
0.3
SI54 - 680
68.0
1. Tolerance of inductance :
2. Irated is the DC current which cause the inductance drop less than 10%(20% for A-3R3 & A-4R7) of its nominal
inductance without current and the surface temperature of the part increase less than 45 C.
3. Operating temperature: -20 C to 105 C (including self-temperature rise).
DELTA ELECTRONICS, INC.
(TAOYUAN PLANT CPBG)
mounting.
C
B
D
o
25
C,
1KHz, 1V
1
DCR
2
Irated
( ) MAX
(Adc)
0.0480
2.70
0.0200
5.60
0.0560
2.60
0.0630
2.00
0.0710
1.90
0.0780
1.80
0.0860
1.70
0.0860
2.90
0.0930
1.60
0.1080
1.50
0.0108
2.50
0.1250
1.40
0.1310
1.30
0.1460
1.20
0.1820
1.10
0.2100
0.97
0.2350
0.85
0.3380
0.74
0.3780
0.68
0.5220
0.62
0.5400
0.56
0.5870
0.52
0.8440
0.44
0.8440
0.77
0.9370
0.42
0.9370
0.75
1.1170
0.37
15% for 1.0~8.2uH, 10% for 10~68uH.
o
o
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
4.0
5.2
1.0
100.00
10.00
1.00
0.10
0.00
4
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
680
560
470
390
330
270
220
180
150
120
100
8R2
6R8
5R6
4R7
3R9
3R3
2R7
2R2
1R8
1R5
1R0
0.01
0.10
1.00
10.00
CURRENT (A)
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