Delta Electronics Power Supply SILM4018H User Manual

SMT Power Inductor  
SILM4018H Type  
Features  
RoHS compliant.  
Low profile (1.8mm max. height) SMD type.  
Magnetically shielded, suitable for high density mounting.  
Self-leads, suitable for high density mounting.  
High energy storage and low DCR.  
Provided with embossed carrier tape packing.  
Idel 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:  
RECOMMENDED PAD PATTERNS  
B
C
UNIT:mm/inch  
A = 4.0 / 0.157Max.  
B = 4.0/ 0.157 Max.  
C = 1.8/ 0.071 Max.  
D = 4.8/ 0.189 Max.  
E = 2.9/ 0.114  
A
F = 1.0/ 0.039  
Electrical Characteristics: 25oC: 100KHz, 0.1V  
L 1  
Ir 3  
(Adc)  
Isat 2  
(Adc)  
DCR  
) MAX  
PART NO.  
(uH)  
(
m
SILM4018H - 1R7  
SILM4018H - 2R2  
SILM4018H - 3R3  
SILM4018H - 4R7  
SILM4018H - 6R8  
SILM4018H - 100  
SILM4018H - 150  
SILM4018H - 220  
SILM4018H - 330  
1.7  
2.2  
51  
59  
2.00  
1.75  
1.40  
1.20  
1.00  
0.84  
0.65  
0.55  
0.46  
2.40  
2.30  
1.80  
1.50  
1.10  
1.00  
0.75  
0.52  
0.41  
3.3  
85  
4.7  
116  
180  
230  
410  
610  
870  
6.8  
10.0  
15.0  
22.0  
33.0  
1. Tolerance of inductance: 30% for 1.7~6.8uH; 20% for 10~33uH.  
2. Isat is the DC current which cause the inductance drop 35% typical of its nominal inductance without current.  
3. Ir is the DC current which cause the surface temperature of the part increase less than 45oC.  
4.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  
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