Features
Applications
ꢀ Available in E12 series
ꢀ Low profile of only 3.2 mm
ꢀ Low inductance values
ꢀ RoHS compliant*
ꢀ Input/output of DC/DC converters
ꢀ Power supplies for:
• Portable communication equipment
• Camcorders
• LCD TVs
• Car radios
SDR0403 Series - SMD Power Inductors
Electrical Specifications
General Specifications
Test±Voltage........................................1±V
Reflow±Soldering ... 30±°C,±50±sec.±max.
Operating±Temperature ..-40±°C±to±+1 5±°C
(Temperature±rise±included)
Storage±Temperature..-40±°C±to±+1 5±°C
Resistance±to±Soldering±Heat
Inductance 1kHz
Test
SRF
RDC
Max.
(Ω)
I rms
Max.
(A)
I sat
Typ.
(A)
Q
Ref.
Bourns Part No.
Frequency Min.
(MHz)
7.96
(µH)
1.0
1.4
1.8
.
.7
3.3
3.9
4.7
5.6
6.8
8.
10
Tol. %
± ± 0
± ± 0
± ± 0
± ± 0
± ± 0
± ± 0
± ± 0
± ± 0
± ± 0
± ± 0
± ± 0
± ± 0
± ± 0
± ± 0
± ± 0
± ± 0
± ±10
± ±10
± ±10
± ±10
± ±10
± ±10
± ±10
± ±10
± ±10
± ±10
± ±10
± ±10
± ±10
± ±10
± ±10
± ±10
± ±10
± ±10
± ±10
± ±10
(MHz)
150
110
90
80
75
65
55
50
45
40
36
33
30
8
3
0
17
15
14
13
1
11
10
9
SDR0403-1R0ML
SDR0403-1R4ML
SDR0403-1R8ML
SDR0403- R ML
SDR0403- R7ML
SDR0403-3R3ML
SDR0403-3R9ML
SDR0403-4R7ML
SDR0403-5R6ML
SDR0403-6R8ML
SDR0403-8R ML
SDR0403-100ML
SDR0403-1 0ML
SDR0403-150ML
SDR0403-180ML
SDR0403- 0ML
SDR0403- 70KL
SDR0403-330KL
SDR0403-390KL
SDR0403-470KL
SDR0403-560KL
SDR0403-680KL
SDR0403-8 0KL
SDR0403-101KL
SDR0403-1 1KL
SDR0403-151KL
SDR0403-181KL
SDR0403- 1KL
SDR0403- 71KL
SDR0403-331KL
SDR0403-391KL
SDR0403-471KL
SDR0403-561KL
SDR0403-681KL
SDR0403-8 1KL
SDR0403-10 KL
8
8
8
8
8
8
8
8
8
8
8
8
8
8
5
5
3
3
0
0
0
0
5
35
50
50
50
50
45
40
40
50
50
40
38
38
0.033
0.038
0.04
0.047
0.05
0.058
0.076
0.094
0.10
0.1
0.13
0.18
0. 1
0. 4
0.34
0.38
0.5
0.54
0.59
0.84
0.94
1.1
1. 7
1.90
. 0
3.40
3.90
4.40
5.00
6.00
6.40
7.00
7.80
8.60
1 .00
14.00
3.80
3.30
.91
.60
.43
.15
1.98
1.70
1.60
1.41
1. 6
1.15
1.05
0.9
0.84
0.76
0.71
0.64
0.59
0.54
0.50
0.46
0.4
0.35
0.3
0. 6
0. 4
0.
0. 0
0.17
0.15
0.13
0.1
0.11
0.10
0.09
5.50
5.10
4.40
3.90
3.50
3.00
.70
.60±
.40±
.10±
1.90
1.70
1.60
1.40
1.30
1. 0
1.00
0.99
0.9
0.78
0.74
0.68
0.58
0.51
0.44
0.40
0.39
0.33
0.30
0. 5
0.
0.19
0.18
0.16
0.15
0.13
7.96
7.96
.................................. 60±°C±for±5±sec.
7.96
Materials
7.96
Core±.......................................Ferrite±DR
Wire± .............Enameled±copper±wire±130
Terminal.....................................Ag/Ni/Sn
Rated±Current
...................Ind.±drop±10±%±typ.±at±Isat
Temperature±Rise ..................40±°C±max.
at±rated±Irms
7.96
7.96
7.96
7.96
7.96
7.96
Packaging .................. 000±pcs.±per±reel
.5
.5
.5
.5
.5
.5
.5
.5
.5
.5
.5
.5
0.796
0.796
0.796
0.796
0.796
0.796
0.796
0.796
0.796
0.796
0.796
0.796
0. 5
1
Product Dimensions
15
4.5 ± 0.3
(.177 ± .012)
MAX.
18
7
33
3.2 ± 0.3
MAX.
39
(.126 ± .012)
47
56
1.5
(.059)
TYP.
68
8
100
1 0
150
180
0
70
330
390
470
560
680
8 0
1000
8
4.0 ± 0.3
MAX.
(.157 ± .012)
8
5
4
3
4
Recommended Layout
3.5
3
4.5
(.177)
1.8
.8
.8
.5
(.071)
1.5
(.059)
Typical Part Marking
Electrical Schematic
1.8
(.071)
1
4
100
MM
(INCHES)
DIMENSIONS:
*RoHS Directive 2002/95/EC Jan. 27, 2003 including annex and RoHS Recast 2011/65/EU June 8, 2011.
Specifications are subject to change without notice.
Customers should verify actual device performance in their specific applications.
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