SRR1280-4R7Y Bourns Inc., SRR1280-4R7Y Datasheet
![MAGNETICS - SHIELDED POWER INDUCTOR](/photos/28/57/285793/srr1280-101m_tmb_sml.jpg)
SRR1280-4R7Y
Manufacturer Part Number
SRR1280-4R7Y
Description
MAGNETICS - SHIELDED POWER INDUCTOR
Manufacturer
Bourns Inc.
Series
SRR1280r
Type
Ferrite Corer
Datasheet
1.SRR1280-102K.pdf
(2 pages)
Specifications of SRR1280-4R7Y
Rohs Compliant
YES
Inductance
4.7µH
Current
8.2A
Current - Saturation
8.8A
Tolerance
±30%
Shielding
Shielded
Dc Resistance (dcr)
15.5 mOhm Max
Q @ Freq
22 @ 7.96MHz
Self Resonant Freq
30MHz
Package / Case
0.492" L x 0.492" W x 0.295" H (12.50mm x 12.50mm x 7.50mm)
Mounting Type
Surface Mount
Operating Temperature
-40°C ~ 125°C
Frequency - Test
100kHz
Material - Core
Ferrite
Applications
Power Supplies
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Current - Temperature Rise
-
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Other names
SRR1280-4R7Y
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
SRR1280-4R7Y
Manufacturer:
Bourns Inc.
Quantity:
135
*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 Part No.
SRR1280-1R1Y
SRR1280-1R2Y
SRR1280-1R4Y
SRR1280-2R4Y
SRR1280-3R3Y
SRR1280-3R5Y
SRR1280-4R5Y
SRR1280-4R7Y
SRR1280-5R6Y
SRR1280-6R1Y
SRR1280-6R8Y
SRR1280-7R5Y
SRR1280-7R6Y
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
Electrical Specifications
Electrical Schematic
Inductance
1000.0
100.0
120.0
150.0
180.0
220.0
270.0
330.0
390.0
470.0
560.0
680.0
820.0
10.0
12.0
15.0
18.0
22.0
27.0
33.0
39.0
47.0
56.0
68.0
82.0
(µH)
1.1
1.2
1.4
2.4
3.3
3.5
4.5
4.7
5.6
6.1
6.8
7.5
7.6
8.2
Tol. %
100 kHz
± 30
± 30
± 30
± 30
± 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
Typ.
26
28
24
20
20
20
20
22
20
20
20
16
15
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
Q
Frequency
Features
■
■
■
■
■
SRR1280 Series - Shielded SMD Power Inductors
(MHz)
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
Recommended Layout
7.96
7.96
7.96
7.96
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
Test
Lead free
RoHS compliant*
Available in E12 values
Inductance as low as 1.1 µH
Current rating to 10.2 amps
(.114)
REF.
2.9
(MHz)
SRF
Typ.
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
85
83
80
45
40
36
34
30
24
23
22
21
21
20
17
15
13
12
11
10
(.268)
1300.0
1500.0
1700.0
REF.
6.8
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
RDC
Max.
(mΩ)
18.0
10.0
12.0
12.0
13.5
15.5
16.0
18.0
18.5
17.5
20.0
20.5
19.5
28.0
28.5
35.0
38.6
52.0
57.0
70.0
80.0
6.5
9.8
REF.
10.20
(.213)
I rms
Max.
6.60
9.80
9.20
8.80
8.80
8.50
8.20
8.00
6.60
7.60
6.40
5.90
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
1.00
0.90
0.80
0.75
0.70
0.68
5.4
(A)
(.114)
REF.
2.9
14.00
12.00
10.50
I sat
7.80
9.80
9.80
9.00
8.80
8.50
7.80
8.00
7.00
6.50
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
Typ.
(A)
Applications
■
■
Test Voltage.....................................0.1 V
Reflow Soldering ...230 °C, 50 sec. max.
Operating Temperature ..-40 °C to +125 °C
Storage Temperature..-40 °C to +125 °C
Resistance to Soldering Heat
Core ............................Ferrite DR and RI
Wire .............Enameled copper wire 130
Terminal.....................................Cu/Ni/Sn
Rated Current
Temperature Rise ..................40 °C max.
Packaging ....................400 pcs. per reel
General Specifications
Materials
Product Dimensions
....................Ind. drop 25 % typ. at Isat
Input/output of DC/DC converters
Power supplies for:
•
•
•
•
................................260 °C for 10 sec.
(.197 ± .012)
Portable communication equipment
Camcorders
LCD TVs
Car radios
5.0 ± 0.3
DIMENSIONS:
100
(.492 ± .012)
(Temperature rise included)
12.5 ± 0.3
(.295 ± .020)
7.5 ± 0.5
(INCHES)
MM
at rated Irms
(.276)
(.492 ± .012)
7.0
12.5 ± 0.3
TYP.
Related parts for SRR1280-4R7Y
SRR1280-4R7Y Summary of contents
Page 1
... SRR1280-1R2Y 1.2 ± 30 SRR1280-1R4Y 1.4 ± 30 SRR1280-2R4Y 2.4 ± 30 SRR1280-3R3Y 3.3 ± 30 SRR1280-3R5Y 3.5 ± 30 SRR1280-4R5Y 4.5 ± 30 SRR1280-4R7Y 4.7 ± 30 SRR1280-5R6Y 5.6 ± 30 SRR1280-6R1Y 6.1 ± 30 SRR1280-6R8Y 6.8 ± 30 SRR1280-7R5Y 7.5 ± 30 SRR1280-7R6Y 7.6 ± 30 SRR1280-8R2Y 8.2 ± 30 SRR1280-100M 10 ...
Page 2
... SRR1280 Series - Shielded SMD Power Inductors Packaging Specifications 330 2.0 ± 0.5 DIA. (12.99) (.079 ± .020) 21.0 ± 0.8 (.827 ± .031) 13.0 DIA. (.512) END 24 (.945) 30.4 (1.197) 13.0 (.512) DIA. 50.0 (1.969) 26 (1.024) 4.0 (.157) 100 100 100 ...