SMT Power Inductor
SI54 Type
Features
RoHS compliant.
Low profile (3.5mm max. Height) SMD type.
Unshielded.
High energy storage and low DCR.
Provided with embossed carrier tape packing.
Ideal for power source circuits,
In addition to the standard versions shown here, customized inductors are available to meet your exact requirements.
Mechanical Dimension:
C
RECOMMENDED PAD PATTERNS
4.0
B
5.2
D
1.0
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 |
| DCR | Irated 2 |
| (uH) |
| ( ) MAX | (Adc) | |
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| SI54 - 1R0 | 1.0 |
| 0.0480 | 2.70 |
| SI54A - 1R0 | 1.0 |
| 0.0200 | 5.60 |
| SI54 - 1R5 | 1.5 |
| 0.0560 | 2.60 |
| SI54 - 1R8 | 1.8 |
| 0.0630 | 2.00 |
| SI54 - 2R2 | 2.2 |
| 0.0710 | 1.90 |
| SI54 - 2R7 | 2.7 |
| 0.0780 | 1.80 |
| SI54 - 3R3 | 3.3 |
| 0.0860 | 1.70 |
| SI54A - 3R3 | 3.3 |
| 0.0860 | 2.90 |
| SI54 - 3R9 | 3.9 |
| 0.0930 | 1.60 |
| SI54 - 4R7 | 4.7 |
| 0.1080 | 1.50 |
| SI54A - 4R7 | 4.7 |
| 0.0108 | 2.50 |
| SI54 - 5R6 | 5.6 |
| 0.1250 | 1.40 |
| SI54 - 6R8 | 6.8 |
| 0.1310 | 1.30 |
| SI54 - 8R2 | 8.2 |
| 0.1460 | 1.20 |
| SI54 - 100 | 10.0 |
| 0.1820 | 1.10 |
| SI54 - 120 | 12.0 |
| 0.2100 | 0.97 |
| SI54 - 150 | 15.0 |
| 0.2350 | 0.85 |
| SI54 - 180 | 18.0 |
| 0.3380 | 0.74 |
| SI54 - 220 | 22.0 |
| 0.3780 | 0.68 |
| SI54 - 270 | 27.0 |
| 0.5220 | 0.62 |
| SI54 - 330 | 33.0 |
| 0.5400 | 0.56 |
| SI54 - 390 | 39.0 |
| 0.5870 | 0.52 |
| SI54 - 470 | 47.0 |
| 0.8440 | 0.44 |
| SI54A - 470 | 0.3 |
| 0.8440 | 0.77 |
| SI54 - 560 | 56.0 |
| 0.9370 | 0.42 |
| SI54A - 560 | 0.3 |
| 0.9370 | 0.75 |
| SI54 - 680 | 68.0 |
| 1.1170 | 0.37 |
INDUCTANCE (uH)
100.00
680
560
470
390
330
270
220
180
150
120
100
10.008R2
6R8
5R6
4R7
3R9
3R3
2R7
2R2
1R8
1R5
1.001R0
0.10
0.00 0.01 0.10 1.00 10.00
CURRENT (A)
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
3.Operating temperature:
DELTA ELECTRONICS, INC.
(TAOYUAN PLANT CPBG) 252, SAN YING ROAD, KUEISAN INDUSTRIAL ZONE, TAOYUAN SHIEN, 333, TAIWAN, R.O.C.
TEL:
http://www.deltaww.com
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