SMT Power Inductor
SILM8040 Type
59
Features
RoHS compliant.
Low profile (4.0mm max. Height), SMD type.
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.
In addition to the standard versions shown here, customized inductors
are available to meet your exact requirements.
Electrical Characteristics:
Mechanical Dimension:
UNIT:mm/inch
A = 8.4 / 0.331 Max.
B = 4.2 / 0.165 Max.
C = 8.4 / 0.331 Max.
D = 6.3 0.5 / 0.248 0.020
E = 3.0 0.5/ 0.118 0.020
F = 9.5 0.5 / 0.374 0.020
5.3
C
F
D
A
E
3.7
B
10
.5
RECOMMENDED PAD PATTERNS
25 : 100KHz, 0.1V
O
C
2
PART NO.
DCR
(m ) MAX
1
L
(uH)
1. Tolerance of inductance : 1.5~100uH 3
0%.
2. Irated is the DC current which cause the inductance drop 35% of its nominal inductance without current
o
and the surface temperature of the part increase less than 45 C.
o
o
3. Operating temperature: -20 C to 105 C (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
2
Isat
(Adc)
3
Irated
(Adc)
SILM8040 - 1R5
1.5
13.8
7.00
9.00
SILM8040 - 2R2
2.2
18.3
6.50
7.50
SILM8040 - 3R3
3.3
20.6
5.00
6.00
SILM8040 - 4R4
4.4
25.7
4.60
6.00
SILM8040 - 5R2
5.2
30.0
4.20
4.50
SILM8040 - 100
10.0
47.0
3.00
4.00
SILM8040 - 150
15.0
71.3
2.75
3.50
SILM8040 - 220
22.0
102.0
2.30
3.00
SILM8040 - 330
33.0
143.0
1.75
2.50
SILM8040 - 470
47.0
189.0
1.52
2.00
SILM8040 - 680
68.0
260.0
1.30
2.00
SILM8040 - 101
100.0
361.0
1.05
1.30
0
1
10
100
0
1
10
100
DC BAIS (A)
IN
D
U
C
T
A
N
C
E
(
u
H
)
