SDR0403 Series - SMD Power Inductors
*RoHS Directive 2002/95/EC Jan 27 2003 including Annex
Specifications are subject to change without notice.
Customers should verify actual device performance in their specific applications.
*RoHS COMPLIANT
Inductance 1kHz
Q
Test
SRF
RDC
I rms
I sat
Bourns Part No.
(H)
Tol. %
Ref.
Frequency
Min.
(
)
Max.
Typ.
(MHz)
(MHz)
(A)
(A)
SDR0403-1R0ML
1.0
20
28
7.96
150
0.033
3.80
5.50
SDR0403-1R4ML
1.4
20
28
7.96
110
0.038
3.30
5.10
SDR0403-1R8ML
1.8
20
28
7.96
90
0.042
2.91
4.40
SDR0403-2R2ML
2.2
20
28
7.96
80
0.047
2.60
3.90
SDR0403-2R7ML
2.7
20
28
7.96
75
0.052
2.43
3.50
SDR0403-3R3ML
3.3
20
28
7.96
65
0.058
2.15
3.00
SDR0403-3R9ML
3.9
20
28
7.96
55
0.076
1.98
2.70
SDR0403-4R7ML
4.7
20
28
7.96
50
0.094
1.70
2.60
SDR0403-5R6ML
5.6
20
28
7.96
45
0.10
1.60
2.40
SDR0403-6R8ML
6.8
20
28
7.96
40
0.12
1.41
2.10
SDR0403-8R2ML
8.2
20
28
7.96
36
0.13
1.26
1.90
SDR0403-100ML
10
20
28
2.52
33
0.18
1.15
1.70
SDR0403-120ML
12
20
28
2.52
30
0.21
1.05
1.60
SDR0403-150ML
15
20
28
2.52
28
0.24
0.92
1.40
SDR0403-180ML
18
20
25
2.52
23
0.34
0.84
1.30
SDR0403-220ML
22
20
25
2.52
20
0.38
0.76
1.20
SDR0403-270KL
27
10
23
2.52
17
0.52
0.71
1.00
SDR0403-330KL
33
10
23
2.52
15
0.54
0.64
0.99
SDR0403-390KL
39
10
20
2.52
14
0.59
0.59
0.92
SDR0403-470KL
47
10
20
2.52
13
0.84
0.54
0.78
SDR0403-560KL
56
10
20
2.52
12
0.94
0.50
0.74
SDR0403-680KL
68
10
20
2.52
11
1.12
0.46
0.68
SDR0403-820KL
82
10
25
2.52
10
1.27
0.42
0.58
SDR0403-101KL
100
10
35
0.796
9
1.90
0.35
0.51
SDR0403-121KL
120
10
50
0.796
8
2.20
0.32
0.44
SDR0403-151KL
150
10
50
0.796
8
3.40
0.26
0.40
SDR0403-181KL
180
10
50
0.796
5
3.90
0.24
0.39
SDR0403-221KL
220
10
50
0.796
4
4.40
0.22
0.33
SDR0403-271KL
270
10
45
0.796
3
5.00
0.20
0.30
SDR0403-331KL
330
10
40
1K
0.796
6.00
0.17
0.25
SDR0403-391KL
390
10
40
1K
0.796
6.40
0.15
0.22
SDR0403-471KL
470
10
50
1K
0.796
7.00
0.13
0.19
SDR0403-561KL
560
10
50
1K
0.796
7.80
0.12
0.18
SDR0403-681KL
680
10
40
1K
0.796
8.60
0.11
0.16
SDR0403-821KL
820
10
38
1K
0.796
12.00
0.10
0.15
SDR0403-102KL
1000
10
38
1K
0.796
14.00
0.09
0.13
Features
Available in E12 series
Low profile of only 3.2 mm
Low inductance values
RoHS compliant*
Applications
Input/output of DC/DC converters
Power supplies for:
Portable communication equipment
Camcorders
LCD TVs
Car radios
Electrical Specifications
Product Dimensions
Recommended Layout
4.5 0.3
(.177 .012)
MAX.
MAX.
3.2 0.3
(.126 .012)
General Specifications
Test Voltage ........................................1 V
Reflow Soldering ...230 C, 50 sec. max.
Operating Temperature .-40 C to +125 C
(Temperature rise included)
Storage Temperature..-40 C to +125 C
Resistance to Soldering Heat
..................................260 C for 5 sec.
Materials
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
Packaging ..................2000 pcs. per reel
1.5
(.059)
MAX.
TYP.
4.0 0.3
(.157 .012)
4.5
(.177)
1.5
(.059)
1.8
(.071)
1.8
(.071)
Typical Part Marking
100
START
FINISH
Electrical Schematic
1
4
DIMENSIONS:
MM
(INCHES)
Specifications are subject to change without notice.
Customers should verify actual device performance in their specific applications.
SDR0403 Series - SMD Power Inductors
REV. 05/05
14.0
(.551)
18.4
(.724)
2.0 0.5
(.079 .020)
50.0
(1.969)
330.0
(12.992)
DIA.
13.0 0.5
(.512 .020)
DIA.
13.0 0.5
(.512 .020)
DIA.
21.0 0.8
(.827 .031)
EMBOSSED
CARRIER
EMBOSSED
CAVITY
0.10
(.004)
THICKNESS
MAX.
Packaging Specifications
END
START
USER DIRECTION OF FEED
160
(6.299)
NO COMPONENT
NO COMPONENT
COMPONENTS
3.4
(.134)
3200
(125.984)
400
(15.748)
4.0
(.157)
8.0
(.315)
12
(.472)
1.5
(.059)
DIA.
100
100
100
100
QTY: 2000 PCS. PER REEL
DIMENSIONS:
MM
(INCHES)
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