Features
Applications
■ Available in E6 values
■ Height of 4.3 mm maximum
■ Current rating to 9.2 amps
■ Lead free
■ Input/output of DC/DC converters
■ Power supplies for:
• Portable communication equipment
• Camcorders
• LCD TVs
• Car radios
100
■ RoHS compliant*
SRR1240 Series - Shielded SMD Power Inductors
Electrical Specifications
General Specifications
Test Voltage.....................................0.1 V
Inductance 100 kHz
Test
SRF
RDC
Max.
(Ω)
I rms
Max.
(A)
I sat
Typ.
(A)
Q
Typ.
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
Bourns Part No.
Frequency Min.
(µH)
Tol. %
(MHz)
7.96
7.96
7.96
7.96
7.96
2.52
2.52
2.52
2.52
2.52
2.52
0.796
(MHz)
80
43
33
35
34
27
22
16
15
13
11
8
SRR1240-1R5Y
SRR1240-3R3Y
SRR1240-4R7M
SRR1240-5R6M
SRR1240-6R8M
SRR1240-100M
SRR1240-150M
SRR1240-220M
SRR1240-330M
SRR1240-470M
SRR1240-680M
SRR1240-101M
1.5
3.3
30
30
20
20
20
20
20
20
20
20
20
20
16
14
16
14
14
17
16
18
19
19
19
14
0.0095
0.0150
0.0180
0.0200
0.0230
0.0320
0.0470
0.0675
0.0970
0.1350
0.2000
0.3000
9.20
6.80
6.00
5.40
5.20
4.00
3.50
3.00
2.30
2.00
1.50
1.25
9.00
6.50
5.60
5.10
4.70
4.00
3.20
2.60
2.10
1.80
1.50
1.20
4.7
................................260 °C for 10 sec.
5.6
Materials
6.8
Core ............................Ferrite DR and RI
Wire .............Enameled copper wire 130
Terminal.....................................Cu/Ni/Sn
Rated Current
....................Ind. drop 25 % typ. at Isat
Temperature Rise ..................40 °C max.
at rated Irms
10.0
15.0
22.0
33.0
47.0
68.0
100.0
Packaging ....................800 pcs. per reel
Electrical Schematic
Recommended Layout
Product Dimensions
12.5 ± 0.3
(.492 ± .012)
5.4
(.213)
REF.
12.5 ± 0.3
(.492 ± .012)
100
6.8
(.268)
REF.
2.9
(.114)
REF.
2.9
(.114)
REF.
4.0 ± 0.3
(.157 ± .012)
5.0 ± 0.3
(.197 ± .012)
7.0
TYP.
(.276)
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.