Delta Electronics SMT Power Inductor SIR74 Specification Sheet

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:

Electrical Characteristics:

L
PART NO.
(uH)
SIR74 - 100 10
SIR74 - 120 12
SIR74 - 150 15
SIR74 - 180 18
SIR74 - 220 22
SIR74 - 270 27
SIR74 - 330 33
SIR74 - 390 39
SIR74 - 470 47
SIR74 - 560 56
SIR74 - 680 68
1. Tolerance of inductance: 20% for 10~27uH,
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
3. Operating temperature : -20
DELTA ELECTRONICS, INC.
(TAOYUAN PLANT CPBG)
C
B
o
25 C, 100KHz, 0.1V
1
2
1 DCR
Irated
( ) MAX
(Adc)
0.140 1.00
0.160 0.94
0.180 0.86
0.250 0.78
0.320 0.76
0.360 0.64
0.410 0.61
0.470 0.53
0.510 0.50
0.720 0.46
0.820 0.42
15% for 33~68uH.
o o
C to 105 C (including self-temperature rise).
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
RECOMMENDED PAD PA TTERNS
5.5
2.25
A
6.2
1.7
100.00
680
560
470
390
330
270
220
180
150.
120
100
10.00
1.00
0.01
o
C.
15
UNIT:mm/inch
¡Ó
A = 6.2 ¡Ó 0.3 / 0.244 0.012 ¡Ó
B = 5.6 0.3 / 0.220 0.012 ¡Ó ¡Ó
C = 3.2 0.3 / 0.126 0.012 ¡Ó
0.10 1.00 10.00
CURRENT (A)