PL
IA
NT
Features
■
Available in E12 values
■
Height of 4.5 mm maximum
■
Current rating to 9.3 amps
Applications
■
Input/output of DC/DC converters
■
Power supplies for:
•
Portable communication equipment
•
Camcorders
•
LCD TVs
•
Car radios
*R
oH
S
CO
M
10
0
■
RoHS compliant*
SRR1240 Series - Shielded SMD Power Inductors
Electrical Specifications
Inductance
100 kHz
Bourns Part No.
(µH)
Tol. %
Q
Typ.
Test
Frequency
(MHz)
SRF
Typ.
(MHz)
RDC
Max.
(mΩ)
I rms
Max.
(A)
I sat
Typ.
(A)
SRR1240-1R0Y
SRR1240-1R5Y
SRR1240-2R4Y
SRR1240-3R3Y
SRR1240-3R9Y
SRR1240-4R7M
SRR1240-5R6M
SRR1240-6R8M
SRR1240-8R2M
SRR1240-100M
SRR1240-120M
SRR1240-150M
SRR1240-180M
SRR1240-220M
SRR1240-270M
SRR1240-330M
SRR1240-390M
SRR1240-470M
SRR1240-560M
SRR1240-680M
SRR1240-820M
SRR1240-101M
SRR1240-121K
SRR1240-151K
SRR1240-181K
SRR1240-221K
SRR1240-271K
SRR1240-331K
SRR1240-391K
SRR1240-471K
SRR1240-561K
SRR1240-681K
SRR1240-821K
SRR1240-102K
1.0
1.5
2.4
3.3
3.9
4.7
5.6
6.8
8.2
10.0
12.0
15.0
18.0
22.0
27.0
33.0
39.0
47.0
56.0
68.0
82.0
100.0
120.0
150.0
180.0
220.0
270.0
330.0
390.0
470.0
560.0
680.0
820.0
1000.0
±
±
±
±
±
±
±
±
±
±
±
±
±
±
±
±
±
±
±
±
±
±
±
±
±
±
±
±
±
±
±
±
±
±
30
30
30
30
30
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
10
10
10
10
10
10
10
10
10
10
10
10
10
16
10
14
14
16
14
14
10
17
16
16
14
18
16
19
14
19
16
19
16
14
12
12
12
12
10
12
12
12
12
14
10
16
7.96
7.96
7.96
7.96
7.96
7.96
7.96
7.96
7.96
2.52
2.52
2.52
2.52
2.52
2.52
2.52
2.52
2.52
2.52
2.52
2.52
0.796
0.796
0.796
0.796
0.796
0.796
0.796
0.796
0.796
0.796
0.796
0.796
0.252
85
80
54
43
39
33
35
34
32
27
25
22
20
16
15.5
15
14
13
12
11
10
8
7.8
7.5
7.0
6.6
6.0
5.5
5.0
4.5
4.0
3.8
3.5
2.8
7.0
9.5
11.5
15.0
15.0
18.0
20.0
23.0
27.0
32.0
38.0
47.0
55.0
67.5
85.0
97.0
120.0
135.0
170.0
200.0
250.0
300.0
370.0
440.0
550.0
660.0
780.0
950.0
1150.0
1350.0
1500.0
2000.0
2400.0
3000.0
9.30
9.20
8.00
6.80
6.35
6.00
5.40
5.20
4.50
4.00
3.80
3.50
3.20
3.00
2.55
2.30
2.15
2.00
1.80
1.50
1.35
1.25
1.20
1.10
0.98
0.92
0.80
0.75
0.70
0.62
0.55
0.50
0.45
0.42
9.20
9.00
7.80
6.50
6.20
5.60
5.10
4.70
4.30
4.00
3.60
3.20
3.00
2.60
2.35
2.10
2.00
1.80
1.65
1.50
1.35
1.20
1.15
1.05
0.95
0.90
0.80
0.75
0.65
0.60
0.52
0.48
0.42
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 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
Packaging ....................800 pcs. per reel
Product Dimensions
12.5
±
0.3
(.492
±
.012)
100
12.5
±
0.3
(.492
±
.012)
4.0
±
0.5
(.157
±
.020)
5.0
±
0.3
(.197
±
.012)
Electrical Schematic
Recommended Layout
5.4
(.213)
7.0
TYP.
(.276)
REF.
DIMENSIONS:
6.8
(.268)
REF.
MM
(INCHES)
2.9
(.114)
REF.
2.9
(.114)
REF.
*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.
SRR1240 Series - Shielded SMD Power Inductors
Packaging Specifications
330
DIA.
(12.99)
2.0
±
0.5
(.079
±
.020)
30.4
(1.197)
13.0
±
0.5
(.512
±
.020)
DIA.
50.0
(1.969)
THICKNESS
0.10
(.004)
MAX.
EMBOSSED
CAVITY
21.0
±
0.8
(.827
±
.031)
13.0
±
0.5
DIA.
(.512
±
.020)
26
(1.024)
EMBOSSED
CARRIER
END
4
(.157)
START
24
(.945)
100
100
100
16.0
(.63)
5.3
(.209)
NO COMPONENT
COMPONENTS
NO COMPONENT
160
(6.299)
390
(15.354)
USER DIRECTION OF FEED
QTY: 800 PCS. PER REEL
DIMENSIONS:
MM
(INCHES)
REV. 05/11
Specifications are subject to change without notice.
Customers should verify actual device performance in their specific applications.
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