Features
Applications
■ Available in E6 values
■ Current rating to 3.8 amps
■ Lead free
■ Input/output of DC/DC converters
■ Power supplies for:
• Portable communication equipment
• Camcorders
100
■ RoHS compliant*
• LCD TVs
• Car radios
SDR7045 Series - SMD Power Inductors
Electrical Specifications
General Specifications
Test Voltage.....................................0.1 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 100 kHz
Test
SRF
RDC
Max.
(Ω)
I rms
Max.
(A)
I sat
Typ.
(A)
Q
Typ.
Bourns Part No.
Frequency Min.
(MHz)
7.96
(µH)
Tol. %
(MHz)
90
109
79
47
38
35
23
19
18
18
11
11
10
8
SDR7045-1R2M
SDR7045-1R5M
SDR7045-2R2M
SDR7045-3R3M
SDR7045-4R7M
SDR7045-6R8M
SDR7045-100M
SDR7045-150M
SDR7045-220M
SDR7045-330M
SDR7045-470K
SDR7045-680K
SDR7045-101K
SDR7045-151K
SDR7045-221K
SDR7045-331K
SDR7045-471K
SDR7045-681K
SDR7045-102K
1.2
1.5
20
20
20
20
20
20
20
20
20
20
10
10
10
10
10
10
10
10
10
25
26
24
23
23
22
28
24
26
20
21
17
17
17
22
20
20
18
48
0.022
0.027
0.032
0.036
0.042
0.054
0.070
0.086
0.125
0.150
0.230
0.280
0.430
0.580
0.930
1.240
1.850
2.400
4.000
3.80
3.50
3.30
2.80
2.60
2.25
2.00
1.60
1.40
1.22
1.00
0.90
0.75
0.62
0.50
0.42
0.34
0.30
0.22
5.00
4.50
4.00
3.70
3.40
2.70
2.30
1.90
1.62
1.32
1.10
0.92
0.72
0.58
0.48
0.40
0.30
0.26
0.20
7.96
2.2
7.96
................................260 °C for 10 sec.
3.3
7.96
Materials
4.7
7.96
Core ........................................Ferrite DR
Wire .............Enameled copper wire 130
Terminal.....................................Cu/Ni/Sn
Rated Current
....................Ind. drop 10 % typ. at Isat
Temperature Rise ..................40 °C max.
at rated Irms
6.8
7.96
10.0
15.0
22.0
33.0
47.0
68.0
100.0
150.0
220.0
330.0
470.0
680.0
1000.0
2.52
2.52
2.52
2.52
2.52
Packaging ..................1000 pcs. per reel
2.52
0.796
0.796
0.796
0.796
0.796
0.796
0.252
Product Dimensions
6
6
7.0 ± 0.2
(.276 ± .008)
4
4
3
7.0 ± 0.2
(.276 ± .008)
330
Electrical Schematic
Recommended Layout
2.4
REF.
1.8
(.071)
REF.
(.094)
4.5 ± 0.3
(.177 ± .012)
7.8
(.307)
REF.
4.2
(.165)
REF.
2.0
(.079)
TYP.
1.5
(.059)
TYP.
1.8
(.071)
REF.
4.0
(.157)
TYP.
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.