SMT Power Inductor
SIW73 Type
Features
RoHS compliant.
Small size (7.3mm*7.3mm), low profile (3.5mm max. height) SMD type.
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 application.
In addition to the standard versions shown here,
customized inductors are available to meet your exact requirements.
Mechanical Dimension:
C
F
RECOMMENDED PAD PA
TTERNS
3.0
E
2.0
UNIT:mm/inch
A = 7.6 / 0.299 Max.
B = 7.6 / 0.299 Max.
C = 3.5 / 0.138 Max.
D = 5.3 0.1 / 0.209 0.004
E = 1.0 0.1 / 0.039 0.004
F = 2.0 / 0.079
A
D
4.3
B
Electrical Characteristics:
25 C: 100KHz, 0.1V
o
PART NO.
SIW73 - 1R0
SIW73 - 1R5
SIW73 - 2R2
SIW73 - 3R3
SIW73 - 4R7
SIW73 - 6R8
SIW73 - 100
SIW73 - 120
SIW73 - 150
SIW73 - 180
SIW73 - 220
SIW73 - 270
SIW73 - 330
SIW73 - 390
SIW73 - 470
SIW73 - 560
SIW73 - 680
SIW73 - 820
SIW73 - 101
L
1
(uH)
1.0
1.5
2.2
3.3
4.7
6.8
10.0
12.0
15.0
18.0
22.0
27.0
33.0
39.0
47.0
56.0
68.0
82.0
100.0
DCR
(m ) MAX
0.022
0.026
0.032
0.041
0.049
0.067
0.085
0.100
0.130
0.160
0.180
0.240
0.290
0.340
0.410
0.480
0.600
0.710
0.950
Irated
2
(Adc)
3.60
3.40
2.68
2.40
2.26
1.66
100.00
1.12
1.08
1.04
0.80
0.77
0.71
0.62
0.56
0.54
0.50
0.43
0.39
INDUCTANCE (uH)
1.37
10.00
101
820
680
560
470
390
330
270
220
180
150.
120
100
6R8
4R7
3R3
2R2
1R5
1.00
1R0
0.00
0.01
0.10
CURRENT (A)
1.00
10.00
1. Tolerance of inductance: 20%.
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
63
Embedded System
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