BOURNS SDR1045-331K

NT
IA
PL
M
CO
S
oH
*R
10
0
Features
Applications
■ Available in E6 values
■ Input/output of DC/DC converters
■ Current rating to 4.8 amps
■ Power supplies for:
• Portable communication equipment
• Camcorders
• LCD TVs
• Car radios
■ Mounting height 4.8 mm maximum
■ Lead free
■ RoHS compliant*
SDR1045 Series - SMD Power Inductors
Electrical Specifications
Inductance 100 kHz
Bourns Part No.
(µH)
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
2.7
4.5
6.8
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
Electrical Schematic
Tol. %
±
±
±
±
±
±
±
±
±
±
±
±
±
±
±
±
20
20
20
20
20
20
20
20
20
10
10
10
10
10
10
10
Q
Typ.
Test
Frequency
(MHz)
SRF
Min.
(MHz)
RDC
Max.
(Ω)
I rms
Max.
(A)
I sat
Typ.
(A)
25
25
22
26
26
22
20
21
21
14
16
15
12
12
13
25
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
68.7
44.2
35.8
27.8
23.7
19.4
15.8
13.6
11.1
9.7
7.1
6.4
4.6
4.2
3.6
2.9
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
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 ............Enamelled copper wire 130
Terminal.....................................Cu/Ni/Sn
Rated Current
...................Ind. drop 10 % typ. at Isat
Temperature Rise ..................40 °C max.
at rated Irms
Packaging ....................700 pcs. per reel
Product Dimensions
10.0 ± 0.3
(.394 ± .012)
Recommended Layout
REF.
2.8
(.110)
330
2.4
REF.
(.094)
10.4
5.6
REF. (.409)
(.220)
REF.
2.4
REF.
(.094)
10.0 ± 0.3
(.394 ± .012)
4.5 ± 0.3
(.177 ± .012)
TYP.
2.4
(.094)
2.0
(.079)
TYP.
6.0
TYP.
(.236)
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.
MM
(INCHES)
SDR1045 Series - SMD Power Inductors
Packaging Specifications
330
DIA.
(12.99)
2.0 ± 0.5
(.079 ± .020)
30.4
(1.20)
THICKNESS
0.10
(.004)
MAX.
13.0 ± 0.5
(.512 ± .020)
DIA.
21.0 ± 0.8
(.827 ± .031)
EMBOSSED
CAVITY
50.0
(1.969)
13.0 ± 0.5
DIA.
(.512 ± .020)
EMBOSSED
CARRIER
26
(1.02)
4
(.157)
END
24
(.945)
5.3
(.209)
330
330
START
330
16.0
(.63)
NO COMPONENT
COMPONENTS
NO COMPONENT
390
(15.354)
160
(6.299)
USER DIRECTION OF FEED
QTY: 700 PCS. PER REEL
DIMENSIONS:
MM
(INCHES)
REV. 05/06
Specifications are subject to change without notice.
Customers should verify actual device performance in their specific applications.