SMT Power Inductor
SILM827, 828, 830, 845, 855 & 865 Type
Features
RoHS compliant.
Low profile, 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, 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 PA
TTERNS
C
B
UNIT:mm/inch
A = 7.5 0.3 / 0.295
C = 7.5 0.3 / 0.295
D = 5.9 0.5 / 0.232
E = 3.0 0.5 / 0.118
F = 10.0 / 0.394 MAX
3.
7
A
0
5.
.0
11
0.012
0.012
0.020
0.020
D
Electrical Characteristics:
PART NO.
SILM827 - 3R3
SILM828 - 5R6
SILM830 - 1R2
SILM830 - 1R8
SILM830 - 2R5
SILM830 - 3R3
SILM830 - 4R7
SILM830 - 5R6
SILM830 - 6R4
SILM830 - 100
SILM830 - 150
SILM830 - 220
SILM830 - 470
SILM830 - 680
SILM830 - 392
SILM845 - 2R5
SILM845 - 3R0
SILM845 - 4R7
SILM845 - 6R0
SILM845 - 7R0
SILM845 - 100
SILM845 - 120
SILM845 - 150
SILM845 - 220
SILM845 - 122
SILM855 - 150
SILM865 - 220
25
O
C
: 100KHz, 0.1V
DCR
(m ) MAX
35
45
15
18
21
27
32
41
52
72
110
140
300
480
31000
14
20
27
35
40
42
50
70
94
3700
54
48
L
1
(uH)
3.3
5.6
1.2
1.8
2.5
3.3
4.7
5.6
6.4
10.0
15.0
22.0
47.0
68.0
3900.0
2.5
3.0
4.7
6.0
7.0
10.0
12.0
15.0
22.0
1200.0
15.0
22.0
Irated
2
(Adc)
4.70
3.30
8.50
6.50
5.40
4.80
4.00
3.60
3.30
2.70
2.20
1.85
0.93
0.77
0.14
6.40
5.40
4.50
4.30
4.10
3.40
3.20
2.80
2.30
0.28
2.50
2.05
HEIGHT "B"
(mm)MAX
2.7
2.8
3.0
3.0
3.0
3.0
3.0
3.0
3.0
3.0
3.0
3.0
3.0
3.0
3.0
4.5
4.5
4.5
4.5
4.5
4.5
4.5
4.5
4.5
4.5
5.5
6.5
1. Tolerance of inductance : 30%.
2. Irated is the DC current which cause the inductance drop 35% of its nominal inductance without current
and the surface temperature of the part increase less than 45
o
C.
3. Operating temperature: -20
o
C to 105
o
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
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58
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