Features
Applications
■ Available in E6 values
■ Current rating to 4.8 amps
■ Mounting height 4.8 mm maximum
■ Lead free
■ Input/output of DC/DC converters
■ Power supplies for:
• Portable communication equipment
• Camcorders
• LCD TVs
• Car radios
100
■ RoHS compliant*
SDR1045 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
................................260±°C±for±10±sec.
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)
2.7
Tol. %
± ±20
± ±20
± ±20
± ±20
± ±20
± ±20
± ±20
± ±20
± ±20
± ±10
± ±10
± ±10
± ±10
± ±10
± ±10
± ±10
(MHz)
68.7
44.2
35.8
27.8
23.7
19.4
15.8
13.6
11.1
9.7
SDR1045-2R7M
SDR1045-4R5M
SDR1045-6R8M
SDR1045-100M
SDR1045-150M
SDR1045-220M
SDR1045-330M
SDR1045-470M
SDR1045-680M
SDR1045-101K
SDR1045-151K
SDR1045-221K
SDR1045-331K
SDR1045-471K
SDR1045-681K
SDR1045-102K
25
25
22
26
26
22
20
21
21
14
16
15
12
12
13
25
0.026
0.033
0.040
0.064
0.100
0.145
0.220
0.270
0.360
0.540
0.700
1.150
1.700
2.250
3.300
4.700
4.80
4.20
3.50
3.20
2.50
2.20
1.90
1.60
1.30
1.10
0.85
0.72
0.62
0.52
0.43
0.38
6.20
5.20
4.20
3.60
3.00
2.60
2.10
1.85±
1.50±
1.30±
1.05
0.85
0.70
0.58
0.46
0.40
4.5
7.96
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
Materials
2.52
Core±.......................................Ferrite±DR
Wire± ............Enamelled±copper±wire±130
Terminal.....................................Cu/Ni/Sn
Rated±Current
...................Ind.±drop±10±%±typ.±at±Isat
Temperature±Rise ..................40±°C±max.
at±rated±Irms
2.52
2.52
2.52
0.796
0.796
0.796
0.796
0.796
0.796
0.252
7.1
6.4
Packaging ....................700±pcs.±per±reel
4.6
4.2
Product Dimensions
3.6
10.0 ± 0.3
(.394 ± .012)
2.9
Electrical Schematic
Recommended Layout
10.0 ± 0.3
(.394 ± .012)
330
2.8
REF.
2.4
(.094)
REF.
(.110)
10.4
(.409)
REF.
5.6
(.220)
REF.
4.5 ± 0.3
(.177 ± .012)
2.4
(.094)
REF.
2.4
(.094)
TYP.
2.0
(.079)
TYP.
6.0
(.236)
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.