SMT Power Inductor
SILM4018 Type
Features
RoHS compliant.
Low profile(1.8mm max. height) SMD type.
Magnetically shielded, suitable for high density mounting.
High energy storage and low DCR.
Provided with embossed carrier tape packing.
Idel for power source circuits,
In addition to the standard versions shown here, customized inductors are available to meet your exact requirements.
RECOMMENDED PAD PATTERNS
Mechanical Dimension :
B | C |
A
E
D
F
Electrical Characteristics : 25 OC : 100KHz, 0.1V
PART NO. | L1 | DCR | Irated 2 | |
(uH) | (m ) MAX | (Adc) | ||
| ||||
SILM4018 - 1R5 | 1.5 | 52 | 1.55 | |
SILM4018 - 2R2 | 2.2 | 72 | 1.20 | |
SILM4018 - 3R3 | 3.3 | 85 | 1.10 | |
SILM4018 - 4R7 | 4.7 | 105 | 0.90 | |
SILM4018 - 6R8 | 6.8 | 170 | 0.73 | |
SILM4018 - 100 | 10.0 | 210 | 0.55 | |
SILM4018 - 150 | 15.0 | 295 | 0.45 | |
SILM4018 - 220 | 22.0 | 430 | 0.40 | |
SILM4018 - 330 | 33.0 | 675 | 0.32 |
5.4 
2.2 
1 . 7
100.00
INDUCTANCE (uH) | 10.00 |
| |
| 1.00 |
UNIT:mm/inch
A= 4.0 / 0.157 Max.
B= 4.0 / 0.157 Max.
C= 1.8 / 0.071 Max.
D= 4.8 / 0.189 Max.
E= 2.9 / 0.114
F= 1.0 / 0.039
330
220
150
100
6R8
4R7
3R3
2R2
1R5
0.00 0.01 0.10 1.00 10.00
CURRENT (A)
1.Tolerance of inductance : 
30%.
2.Irated is the DC current which cause the inductance drop 35% typical of its nominal inductance without current and the surface 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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