SMT Power Inductor
SIR74 Type
Features
RoHS compliant.
Low profile (3.5mm 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
C
B
5.5
2.25
1.7
UNIT:mm/inch
A = 6.2 0.3 / 0.244 0.012
B = 5.6 0.3 / 0.220 0.012
C = 3.2 0.3 / 0.126 0.012
A
6.2
o
Electrical Characteristics:
25 C, 100KHz, 0.1V
1
2
1
DCR
L
Irated
(Adc)
PART NO.
(uH)
100.00
10.00
1.00
(
) MAX
0.140
0.160
0.180
0.250
0.320
0.360
0.410
0.470
0.510
0.720
0.820
SIR74 - 100
SIR74 - 120
SIR74 - 150
SIR74 - 180
SIR74 - 220
SIR74 - 270
SIR74 - 330
SIR74 - 390
SIR74 - 470
SIR74 - 560
SIR74 - 680
10
12
15
18
22
27
33
39
47
56
68
1.00
0.94
0.86
0.78
0.76
0.64
0.61
0.53
0.50
0.46
0.42
680
560
470
390
330
270
220
180
150.
120
100
0.01
0.10
1.00
10.00
CURRENT (A)
1. Tolerance of inductance: 20% for 10~27uH, 15% for 33~68uH.
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 45oC.
3. 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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