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. |
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In addition to the standard versions |
shown here, customized inductors |
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are available to meet your exact requirements. |
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Mechanical Dimension: |
RECOMMENDED PAD PATTERNS |
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4.0 |
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C |
B |
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A |
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5.2 |
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D |
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1.0 |
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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
Electrical Characteristics: |
25oC, 1KHz, 1V |
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PART NO. |
L 1 |
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DCR |
Irated 2 |
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(uH) |
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( ) MAX |
(Adc) |
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SI54 - 1R0 |
1.0 |
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0.0480 |
2.70 |
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SI54A - 1R0 |
1.0 |
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0.0200 |
5.60 |
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SI54 - 1R5 |
1.5 |
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0.0560 |
2.60 |
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SI54 - 1R8 |
1.8 |
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0.0630 |
2.00 |
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SI54 - 2R2 |
2.2 |
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0.0710 |
1.90 |
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SI54 - 2R7 |
2.7 |
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0.0780 |
1.80 |
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SI54 - 3R3 |
3.3 |
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0.0860 |
1.70 |
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SI54A - 3R3 |
3.3 |
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0.0860 |
2.90 |
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SI54 - 3R9 |
3.9 |
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0.0930 |
1.60 |
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SI54 - 4R7 |
4.7 |
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0.1080 |
1.50 |
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SI54A - 4R7 |
4.7 |
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0.0108 |
2.50 |
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SI54 - 5R6 |
5.6 |
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0.1250 |
1.40 |
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SI54 - 6R8 |
6.8 |
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0.1310 |
1.30 |
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SI54 - 8R2 |
8.2 |
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0.1460 |
1.20 |
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SI54 - 100 |
10.0 |
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0.1820 |
1.10 |
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SI54 - 120 |
12.0 |
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0.2100 |
0.97 |
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SI54 - 150 |
15.0 |
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0.2350 |
0.85 |
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SI54 - 180 |
18.0 |
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0.3380 |
0.74 |
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SI54 - 220 |
22.0 |
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0.3780 |
0.68 |
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SI54 - 270 |
27.0 |
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0.5220 |
0.62 |
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SI54 - 330 |
33.0 |
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0.5400 |
0.56 |
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SI54 - 390 |
39.0 |
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0.5870 |
0.52 |
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SI54 - 470 |
47.0 |
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0.8440 |
0.44 |
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SI54A - 470 |
0.3 |
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0.8440 |
0.77 |
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SI54 - 560 |
56.0 |
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0.9370 |
0.42 |
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SI54A - 560 |
0.3 |
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0.9370 |
0.75 |
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SI54 - 680 |
68.0 |
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1.1170 |
0.37 |
INDUCTANCE (uH)
100.00
680
560
470
390
330
270
220
180
150
120
100
10.00 8R2
6R8
5R6
4R7
3R9
3R3
2R7
2R2
1R8
1R5
1.001R0
0.10 |
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0.00 |
0.01 |
0.10 |
1.00 |
10.00 |
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CURRENT (A) |
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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%(20% for A-3R3 & A-4R7) of its nominal |
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inductance without current and the surface temperature of the part increase less than 45oC. |
3. |
Operating temperature: -20oC to 105oC (including self-temperature rise). |
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
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