CO
M
PL
IA
Features
I
Available in E12 series
I
Low profile of only 3.2 mm
I
Low inductance values
I
RoHS compliant*
Applications
I
Input/output of DC/DC converters
I
Power supplies for:
•
Portable communication equipment
•
Camcorders
•
LCD TVs
•
Car radios
*R
oH
S
NT
SDR0403 Series - SMD Power Inductors
Electrical Specifications
Inductance 1kHz
Bourns Part No.
µ
(µH)
Tol. %
Q
Ref.
Test
Frequency
(MHz)
SRF
Min.
(MHz)
RDC
Max.
Ω
(Ω)
I rms
Max.
(A)
I sat
Typ.
(A)
SDR0403-1R0ML
SDR0403-1R4ML
SDR0403-1R8ML
SDR0403-2R2ML
SDR0403-2R7ML
SDR0403-3R3ML
SDR0403-3R9ML
SDR0403-4R7ML
SDR0403-5R6ML
SDR0403-6R8ML
SDR0403-8R2ML
SDR0403-100ML
SDR0403-120ML
SDR0403-150ML
SDR0403-180ML
SDR0403-220ML
SDR0403-270KL
SDR0403-330KL
SDR0403-390KL
SDR0403-470KL
SDR0403-560KL
SDR0403-680KL
SDR0403-820KL
SDR0403-101KL
SDR0403-121KL
SDR0403-151KL
SDR0403-181KL
SDR0403-221KL
SDR0403-271KL
SDR0403-331KL
SDR0403-391KL
SDR0403-471KL
SDR0403-561KL
SDR0403-681KL
SDR0403-821KL
SDR0403-102KL
1.0
1.4
1.8
2.2
2.7
3.3
3.9
4.7
5.6
6.8
8.2
10
12
15
18
22
27
33
39
47
56
68
82
100
120
150
180
220
270
330
390
470
560
680
820
1000
±
±
±
±
±
±
±
±
±
±
±
±
±
±
±
±
±
±
±
±
±
±
±
±
±
±
±
±
±
±
±
±
±
±
±
±
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
28
28
28
28
28
28
28
28
28
28
28
28
28
28
25
25
23
23
20
20
20
20
25
35
50
50
50
50
45
40
40
50
50
40
38
38
7.96
7.96
7.96
7.96
7.96
7.96
7.96
7.96
7.96
7.96
7.96
2.52
2.52
2.52
2.52
2.52
2.52
2.52
2.52
2.52
2.52
2.52
2.52
0.796
0.796
0.796
0.796
0.796
0.796
0.796
0.796
0.796
0.796
0.796
0.796
0.252
150
110
90
80
75
65
55
50
45
40
36
33
30
28
23
20
17
15
14
13
12
11
10
9
8
8
5
4
3
4
3.5
3
2.8
2.8
2.5
2
0.033
0.038
0.042
0.047
0.052
0.058
0.076
0.094
0.10
0.12
0.13
0.18
0.21
0.24
0.34
0.38
0.52
0.54
0.59
0.84
0.94
1.12
1.27
1.90
2.20
3.40
3.90
4.40
5.00
6.00
6.40
7.00
7.80
8.60
12.00
14.00
3.80
3.30
2.91
2.60
2.43
2.15
1.98
1.70
1.60
1.41
1.26
1.15
1.05
0.92
0.84
0.76
0.71
0.64
0.59
0.54
0.50
0.46
0.42
0.35
0.32
0.26
0.24
0.22
0.20
0.17
0.15
0.13
0.12
0.11
0.10
0.09
5.50
5.10
4.40
3.90
3.50
3.00
2.70
2.60
2.40
2.10
1.90
1.70
1.60
1.40
1.30
1.20
1.00
0.99
0.92
0.78
0.74
0.68
0.58
0.51
0.44
0.40
0.39
0.33
0.30
0.25
0.22
0.19
0.18
0.16
0.15
0.13
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
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
Product Dimensions
4.5
±
0.3
(.177
±
.012)
MAX.
3.2
±
0.3
MAX.
(.126
±
.012)
1.5
TYP.
(.059)
4.0
±
0.3
MAX.
(.157
±
.012)
Recommended Layout
4.5
(.177)
1.8
(.071)
1.5
(.059)
Typical Part Marking
Electrical Schematic
1.8
(.071)
1
4
100
DIMENSIONS:
MM
(INCHES)
*RoHS Directive 2002/95/EC Jan. 27, 2003 including annex and RoHS Recast 2011/65/EU June 8, 2011.
SDR0403 Series - SMD Power Inductors
Packaging Specifications
330.0
(12.992)
DIA.
2.0
±
0.5
(.079
±
.020)
18.4
(.724)
THICKNESS
0.10
(.004)
MAX.
50.0
(1.969)
EMBOSSED
CAVITY
21.0
±
0.8
(.827
±
.031)
13.0
±
0.5
(.512
±
.020)
DIA.
13.0
±
0.5
DIA.
(.512
±
.020)
EMBOSSED
CARRIER
4.0
(.157)
START
14.0
(.551)
END
12
(.472)
100
100
100
100
DIMENSIONS:
8.0
(.315)
NO COMPONENT
MM
(INCHES)
3.4
(.134)
1.5
DIA.
(.059)
NO COMPONENT
COMPONENTS
160
(6.299)
3200
(125.984)
400
(15.748)
USER DIRECTION OF FEED
QTY: 2000 PCS. PER REEL
REV. 0
Specifications are subject to change without notice.
s should verify actual device performance in their specific applications.
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