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SDR7045 Datasheet, PDF (1/2 Pages) Bourns Electronic Solutions – SMD Power Inductors
*RoHS COMPLIANT
100
Features
■ Available in E6 values
■ Current rating to 3.8 amps
■ Lead free
■ RoHS compliant*
Applications
■ Input/output of DC/DC converters
■ Power supplies for:
• Portable communication equipment
• Camcorders
• LCD TVs
• Car radios
SDR7045 Series - SMD Power Inductors
Electrical Specifications
Bourns Part No.
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
Inductance 100 kHz Q
(µH) Tol. % Typ.
1.2
± 20 25
1.5
± 20 26
2.2
± 20 24
3.3
± 20 23
4.7
± 20 23
6.8
± 20 22
10.0 ± 20 28
15.0 ± 20 24
22.0 ± 20 26
33.0 ± 20 20
47.0 ± 10 21
68.0 ± 10 17
100.0 ± 10 17
150.0 ± 10 17
220.0 ± 10 22
330.0 ± 10 20
470.0 ± 10 20
680.0 ± 10 18
1000.0 ± 10 48
Test
Frequency
(MHz)
7.96
7.96
7.96
7.96
7.96
7.96
2.52
2.52
2.52
2.52
2.52
2.52
0.796
0.796
0.796
0.796
0.796
0.796
0.252
SRF
Min.
(MHz)
90
109
79
47
38
35
23
19
18
18
11
11
10
8
6
6
4
4
3
RDC
Max.
(Ω)
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
I rms
Max.
(A)
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
I sat
Typ.
(A)
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
Electrical Schematic
Recommended Layout
REF.
2.4
(.094)
1.8 REF.
(.071)
4.2
(.165)
REF.
7.8
(.307)
REF.
1.8 REF.
(.071)
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
................................260 °C for 10 sec.
Materials
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
Packaging ..................1000 pcs. per reel
Product Dimensions
7.0 ± 0.2
(.276 ± .008)
330
7.0 ± 0.2
(.276 ± .008)
TYP.
2.0
(.079)
4.5 ± 0.3
(.177 ± .012)
1.5
(.059)
TYP.
4.0
(.157)
TYP.
DIMENSIONS:
MM
(INCHES)
*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.