Features
■ Available in E12 series
Applications
■ Input/output of DC/DC converters
■ Small design of only 5.8 mm maximum
■ Power supplies for:
• Portable communication equipment
• Camcorders
• LCD TVs
• Car radios
diameter
■ Low 3.9 mm profile
■ RoHS compliant*
SDR0603 Series - SMD Power Inductors
Electrical Specifications
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
Inductance 1kHz
Test
Frequency
(MHz)
SRF
Min.
(MHz)
I rms
Max.
(A)
I sat
Typ.
(A)
Q
Ref.
RDC
Bourns Part No.
(Ω)
(µH)
Tol. %
SDR0603-1R5ML 1.5
SDR0603-2R5ML 2.5
SDR0603-3R3ML 3.3
SDR0603-3R9ML 3.9
SDR0603-4R7ML 4.7
SDR0603-5R0ML 5.0
SDR0603-6R8ML 6.8
SDR0603-7R5ML 7.5
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
24
21
21
22
20
19
19
19
24
23
22
23
20
19
23
22
20
17
17
15
28
27
28
26
26
26
28
28
29
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
85
74
68
62
56
50
44
38
34
30
28
24
30
19
15
13
13
12
12
11
10
8
0.04
0.05
0.05
0.05
0.07
0.07
0.11
0.12
0.15
0.16
0.18
0.25
0.28
0.30
0.45
0.46
0.55
0.62
0.72
0.84
0.95
1.10
1.43
1.60
2.00
2.40
3.20
3.40
4.55
3.00
2.35
2.20
2.10
1.80
1.60
1.38
1.29
1.14
1.02
0.93
0.82
0.75
0.67
0.61
0.56
0.52
0.48
0.44
0.40
0.38
0.36
0.32
0.30
0.26
0.24
0.20
0.18
0.15
3.50
2.70
2.60
2.20
2.20
2.10
1.80
1.60
1.40
1.30
1.10
1.10
0.96
0.86
0.70
0.66
0.62
0.58
0.54
0.48
0.66
0.60
0.56
0.50
0.46
0.38
0.36
0.32
0.26
..................................260 °C for 5 sec.
Materials
Core ...............................Ferrite DR core
Wire ............................Enameled copper
Terminal.....................................Ag/Ni/Sn
Rated Current..Ind. drop 10 % typ. at Isat
Temperature Rise ..................40 °C max.
at rated Irms
SDR0603-100ML
SDR0603-120ML
SDR0603-150ML
SDR0603-180ML
SDR0603-220ML
SDR0603-270ML
SDR0603-330KL
SDR0603-390KL
SDR0603-470KL
SDR0603-560KL
SDR0603-680KL
SDR0603-820KL
SDR0603-101KL
SDR0603-121KL
SDR0603-151KL
SDR0603-181KL
SDR0603-221KL
SDR0603-271KL
SDR0603-331KL
SDR0603-391KL
SDR0603-471KL
10
12
15
18
22
27
33
39
47
Packaging.....................400 pcs. per reel
Product Dimensions
5.8
(.228)
MAX.
56
68
82
3.9
MAX.
(.154)
100
120
150
180
220
270
330
390
470
8
7
6
5
5
4
4
1.8
(.071)
TYP.
5.8
MAX.
(.228)
Recommended Layout
5.8
(.228)
1.7
(.067)
6.0
(.236)
Typical Part Marking
START
101
FINISH
MM
(INCHES)
DIMENSIONS:
*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.