SMT Power Inductor
SI84 Type
Features
RoHS compliant.
mounting.
Low profile (4.0mm max. Height) SMD type.
Unshielded.
Self-leads, suitable for high density
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.
DELTA ELECTRONICS, INC.
(TAOYUAN PLANT CPBG)
6
Electrical Characteristics:
0.00
0.01
0.10
1.00
10.00
CURRENT (A)
1.00
10.00
100.00
1000.00
IN
D
U
C
T
A
N
C
E
(u
H
)
100
120
150
180
220
270
330
390
470
560
680
820
101
121
151
181
271
331
221
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
25
100KHz, 0.1V for 1.2~4.7uH. 1KHz,1.0V for 10uH~1000uH.
o
C,
SI84 - 1R2
1.2
0.008
8.00
SI84 - 2R2
2.2
0.015
4.50
SI84 - 4R7
4.7
0.041
2.00
SI84 - 100
10.0
0.080
1.44
SI84 - 120
12.0
0.089
1.39
SI84 - 150
15.0
0.104
1.24
SI84 - 180
18.0
0.111
1.12
SI84 - 220
22.0
0.129
1.07
SI84 - 270
27.0
0.153
0.94
SI84 - 330
33.0
0.170
0.85
SI84 - 390
39.0
0.217
0.74
SI84 - 470
47.0
0.252
0.68
SI84 - 560
56.0
0.282
0.64
SI84 - 680
68.0
0.332
0.59
SI84 - 820
82.0
0.406
0.54
SI84 - 101
100.0
0.481
0.51
SI84 - 121
120.0
0.536
0.49
SI84 - 151
150.0
0.755
0.40
SI84 - 181
180.0
1.022
0.36
SI84 - 221
220.0
1.200
0.31
SI84 - 271
270.0
1.306
0.29
SI84 - 331
330.0
1.495
0.28
SI84 - 471
470.0
2.300
0.24
Si84 - 102
1000.0
5.500
0.17
PART NO.
L
(uH)
1
DCR
( ) MAX
Irated
(Adc)
2
1. Tolerance of inductance :
15% for 1.2~4.7uH,
10% for 10~1000uH.
2. Irated is the DC current which cause the inductance drop less than 10% 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).
Mechanical Dimension:
8.0
B
C
8.0
1.4
D
A
UNIT:mm/inch
A = 7.8 0.2 / 0.307 0.008
B = 7.0 0.2 / 0.276 0.008
C = 3.5 0.5 / 0.138 0.020
D = 1.5 0.2 / 0.059 0.008
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