SMT Power Inductor
SIR85 Type
Features
RoHS compliant.
Low profile (4.9mm 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 PA
TTERNS
C
B
7.5
4.0
A
10
2.0
UNIT:mm/inch
¡Ó
A = 7.8
¡Ó
0.35 / 0.307 0.014
¡Ó
B = 7.0
¡Ó
0.35 / 0.276 0.014
¡Ó
C = 4.5
¡Ó
0.4 / 0.177 0.016
Electrical Characteristics:
1
25
o
C, 100KHz, 0.1V
DCR
( ) MAX
0.070
0.070
0.080
0.100
0.130
0.160
0.180
0.180
0.270
0.290
0.330
0.430
0.490
0.680
0.940
1.000
1.180
1.300
PART NO.
SIR85 - 100
SIR85 - 120
SIR85 - 150
SIR85 - 180
SIR85 - 220
SIR85 - 270
SIR85 - 330
SIR85 - 390
SIR85 - 470
SIR85 - 560
SIR85 - 680
SIR85 - 820
SIR85 - 101
SIR85 - 121
SIR85 - 151
SIR85 - 181
SIR85 - 221
SIR85 - 271
L
1
(uH)
10
12
15
18
22
27
33
39
47
56
68
82
100
120
150
180
220
270
Irated
(Adc)
1.65
1.57
1.39
1.29
1.12
1.06
2
1000.00
100.00
0.91
0.80
0.76
0.68
0.62
0.55
0.49
0.44
0.40
0.36
0.33
INDUCTANCE (uH)
0.97
10.00
271
221
181
151
121
101
820
680
560
470
390
330
270
220
180
150.
120
100
1.00
0.01
0.10
1.00
10.00
CURRENT (A)
1. Tolerance of inductance: 20% for 10~27uH, 15% for 33~82uH, 10% for 100~270.
2. Irated is the DC current which cause the inductance drop 10% typical 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
16
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