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 |
UNIT:mm/inch¡Ó |
|
|
A |
|
|
A = 6.2 ¡Ó0.3 / 0.244¡Ó |
0.012 |
|
6.2 |
1.7 |
B = 5.6¡Ó0.3 / 0.220¡Ó |
0.012 |
|
|
|
|
|
C = 3.2 0.3 / 0.126¡Ó |
0.012 |
Electrical Characteristics: 25oC, 100KHz, 0.1V
PART NO. |
L 1 |
DCR |
Irated 2 |
(uH) |
( ) MAX |
(Adc) |
|
SIR74 - 100 |
10 |
0.140 |
1.00 |
|
|
|
|
SIR74 - 120 |
12 |
0.160 |
0.94 |
|
|
|
|
SIR74 - 150 |
15 |
0.180 |
0.86 |
SIR74 - 180 |
18 |
0.250 |
0.78 |
SIR74 - 220 |
22 |
0.320 |
0.76 |
SIR74 - 270 |
27 |
0.360 |
0.64 |
SIR74 - 330 |
33 |
0.410 |
0.61 |
SIR74 - 390 |
39 |
0.470 |
0.53 |
SIR74 - 470 |
47 |
0.510 |
0.50 |
SIR74 - 560 |
56 |
0.720 |
0.46 |
SIR74 - 680 |
68 |
0.820 |
0.42 |
1. Tolerance of inductance: 
20% for 10~27uH, 
15% for 33~68uH.
INDUCTANCE (uH)
100.00
680
560
470
390
330
270
220
180
150.
120
100
10.00
1.00
0.01 |
0.10 |
1.00 |
10.00 |
CURRENT (A)
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
http://www.deltaww.com
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