SMT Power Inductor
SI523 Type
Features
RoHS compliant.
Low profile (2.3mm 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 
B
RECOMMENDED PAD PATTERNS |
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| 4.0 |
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| UNIT:mm/inch |
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| A = 4.5¡Ó 0.15 / 0.177¡Ó | 0.006 |
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5.2 |
| 1.0 |
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| B = 4.0¡Ó0.15 / 0.157¡Ó | 0.006 | ||
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| C = 2.3/0.091 Max. |
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| D = 1.0¡Ó0.2 / 0.039¡Ó | 0.008 |
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D
Electrical Characteristics : 25oC, 100KHz, 0.1V
PART NO. | L 1 | DCR | Irated 2 |
(uH) | ( ) MAX | (Adc) | |
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SI523 - 3R9 | 3.9 | 0.068 | 1.60 |
SI523 - 4R7 | 4.7 | 0.087 | 1.45 |
SI523 - 8R2 | 8.2 | 0.150 | 1.10 |
SI523 - 100 | 10.0 | 0.195 | 1.00 |
SI523 - 150 | 15.0 | 0.260 | 0.90 |
SI523 - 220 | 22.0 | 0.383 | 0.67 |
SI523 - 470 | 47.0 | 0.750 | 0.44 |
1. Tolerance of inductance: 
15% for 3.9~8.2uH, 
10% for 10~47uH.
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 45oC.
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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