Features
Applications
ꢀ Available in E12 series
ꢀ Low profile of only 3.3 mm
ꢀ High inductance of 15 mH
ꢀ RoHS compliant*
ꢀ Input/output of DC/DC converters
ꢀ Power supplies for:
• Portable communication equipment
• Camcorders
• LCD TVs
• Car radios
SDR0503 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
Frequency
(MHz)
SRF
Min.
(MHz)
RDC
Max.
(Ω)
I rms
Max.
(A)
I sat
Typ.
(A)
Q
Ref.
Bourns Part No.
(µH)
10
Tol. %
± ± 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
± ±5
SDR0503-100ML
SDR0503-1 0ML
SDR0503-150ML
SDR0503-180ML
SDR0503- 0ML
SDR0503- 70ML
SDR0503-330KL
SDR0503-390KL
SDR0503-470KL
SDR0503-560KL
SDR0503-680KL
SDR0503-8 0KL
SDR0503-101KL
SDR0503-1 1KL
SDR0503-151KL
SDR0503-181KL
SDR0503- 1KL
SDR0503- 71KL
SDR0503-331KL
SDR0503-391KL
SDR0503-471KL
SDR0503-561KL
SDR0503-681KL
SDR0503-8 1KL
10
0
0
0
0
0
15
15
0
0
0
15
40
40
40
40
35
35
30
30
30
30
30
40
40
40
40
40
40
40
40
40
40
40
40
40
40
30
30
30
.5
.5
30.0
9.0
7.0
4.0
.0
0.0
18.0
17.0
14.0
13.0
1 .0
10.0
9.0
0.13
0.16
1.300
1. 00
1.050
0.950
0.900
0.800
0.700
0.650
0.600±
0.500±
0.450
0.4 0
0.400
0.370
0.330
0.300
0. 50
0. 30
0. 10
0.190
0.180
0.160
0.140
0.1 0
0.110
0.063
0.059
0.055
0.053
0.050
0.045
0.04
0.040
0.039
0.038
0.034
0.030
1.600
1.450
1. 60
1.300
1.060
1.000
0.850
0.800±
0.750
0.700
0.600
0.5 0
0.480
0.450
0.400
0.350
0.340
0. 80
0. 80
0. 40
0. 0
0.190
0.160
0.155
0.135
0.090
0.07
0.070
0.070
0.070
0.06
0.060
0.050
0.050
0.050
0.045
0.045
0.040
0.038
0.03
1
15
.5
0.19
.................................. 60±°C±for±5±sec.
18
.5
0. 1
Materials
.5
0. 8
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
7
.5
0.3
33
.5
0.38
39
.5
0.4
47
.5
0.60
56
.5
0.71
Packaging ....................500±pcs.±per±reel
68
.5
0.76
8
.5
0.88
Product Dimensions
100
1 0
150
180
0
70
330
390
470
560
680
8 0
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
0. 5
0. 5
0. 5
0. 5
0. 5
0. 5
0. 5
0. 5
0. 5
0. 5
0. 5
0. 5
0.0796
0.0796
0.0796
1.60
5.0 ± 0.3
(.197 ± .012)
MAX.
8.0
1.70
7.0
.00
7.0
.30
6.0
.50
3.0 ± 0.3
MAX.
6.0
.90
(.118 ± .012)
5.0
3.30
5.0
3.70
2.0
(.079)
TYP.
5.0
4.90
4.0
5.70
4.0
7.50
3.0
10.00
11.50
1 .00
13.00
15.00
.00
6.00
38.00
40.00
48.00
60.00
7 .00
80.00
9 .00
4.8 ± 0.3
MAX.
(.189 ± .012)
SDR0503-10 KL 1000
SDR0503-1 JL 1 00
SDR0503-15 JL 1500
SDR0503-18 JL 1800
SDR0503- JL 00
SDR0503- 7 JL 700
SDR0503-33 JL 3300
SDR0503-39 JL 3900
SDR0503-47 JL 4700
SDR0503-50 JL 5000
SDR0503-56 JL 5600
SDR0503-68 JL 6800
SDR0503-8 JL 8 00
SDR0503-103JL 10000
SDR0503-1 3JL 1 000
SDR0503-153JL 15000
3.0
3.0
± ±5
.0
± ±5
.0
Recommended Layout
± ±5
.0
5.0
(.197)
± ±5
.0
± ±5
.0
± ±5
.0
1.9
± ±5
1.0
(.075)
5.5
± ±5
1.0
(.217)
± ±5
1.0
± ±5
1.0
1.8
(.071)
± ±5
1.0
± ±5
1.0
110.00 0.0 7
148.00 0.0 5
168.00 0.0 0
Typical Part Marking
± ±5
1.0
± ±5
1.0
100
*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.
MM
(INCHES)
DIMENSIONS: