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RoHS compliant*
S
SRR1280 Series - Shielded SMD Power Inductors
Electrical Specifications
Inductance
100 kHz
Bourns Part No.
(碌H)
Tol. %
Q
Typ.
Test
Frequency
(MHz)
SRF
Typ.
(MHz)
RDC
Max.
(m鈩?
I rms
Max.
(A)
I sat
Typ.
(A)
SRR1280-1R1Y
SRR1280-1R4Y
SRR1280-2R4Y
SRR1280-3R3Y
SRR1280-4R5Y
SRR1280-4R7Y
SRR1280-5R6Y
SRR1280-6R8Y
SRR1280-7R5Y
SRR1280-8R2Y
SRR1280-100M
SRR1280-120M
SRR1280-150M
SRR1280-180M
SRR1280-220M
SRR1280-270M
SRR1280-330M
SRR1280-390M
SRR1280-470M
SRR1280-560M
SRR1280-680M
SRR1280-820M
SRR1280-101M
SRR1280-121K
SRR1280-151K
SRR1280-181K
SRR1280-221K
SRR1280-271K
SRR1280-331K
SRR1280-391K
SRR1280-471K
SRR1280-561K
SRR1280-681K
SRR1280-821K
SRR1280-102K
1.1
1.4
2.4
3.3
4.5
4.7
5.6
6.8
7.5
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
鹵
鹵
鹵
鹵
鹵
鹵
鹵
鹵
鹵
鹵
鹵
鹵
鹵
鹵
鹵
鹵
鹵
鹵
鹵
鹵
鹵
鹵
鹵
鹵
鹵
鹵
鹵
鹵
鹵
鹵
鹵
鹵
鹵
鹵
鹵
30
30
30
30
30
30
30
30
30
30
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
26
24
20
20
20
22
20
20
16
22
24
26
26
24
20
26
28
24
24
24
20
20
18
16
24
24
24
20
18
20
20
20
26
20
40
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
0.796
0.252
85
80
45
40
34
30
24
22
21
20
17
15
13
12
11
10
9.5
8.5
7.5
7.0
6.5
5.0
4.5
4.3
4.1
4.0
3.4
3.1
2.9
2.7
2.2
2.0
1.7
1.4
1.3
6.5
9.8
10.0
12.0
13.5
15.5
16.0
18.5
17.5
20.5
19.5
28.0
28.5
35.0
38.6
52.0
57.0
70.0
80.0
100.0
120.0
130.0
150.0
200.0
270.0
300.0
400.0
450.0
600.0
680.0
880.0
960.0
1300.0
1500.0
1700.0
10.20
9.80
9.20
8.80
8.50
8.20
8.00
7.60
6.40
6.20
6.00
5.60
5.20
4.80
4.30
3.90
3.50
3.20
2.90
2.60
2.40
2.30
2.10
1.95
1.85
1.75
1.60
1.20
1.10
1.60
0.90
0.80
0.75
0.70
0.68
14.00
12.00
10.50
9.80
9.00
8.80
8.50
8.00
7.00
6.80
6.30
6.60
5.00
4.60
4.10
3.70
3.30
3.10
2.80
2.50
2.30
2.20
2.00
1.95
1.90
1.88
1.70
1.60
1.40
1.40
1.25
1.15
0.97
0.94
0.80
General Specifications
Test Voltage.....................................0.1 V
Reflow Soldering ...230 擄C, 50 sec. max.
Operating Temperature .-40 擄C to +125 擄C
(Temperature rise included)
Storage Temperature..-40 擄C to +125 擄C
Resistance to Soldering Heat
................................260 擄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 擄C max.
at rated Irms
Packaging ....................400 pcs. per reel
Product Dimensions
12.5
鹵
0.3
(.492
鹵
.012)
100
12.5
鹵
0.3
(.492
鹵
.012)
7.5
鹵
0.5
(.295
鹵
.020)
5.0
鹵
0.3
(.197
鹵
.012)
Electrical Schematic
Recommended Layout
REF.
5.4
(.213)
7.0
TYP.
(.276)
2.9
(.114)
REF.
6.8
(.268)
REF.
DIMENSIONS:
2.9
(.114)
REF.
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.
BOURNS
1
2
