SRF1280-R47Y [BOURNS]
Dual-Winding Shielded Power Inductors;
| 型号： | SRF1280-R47Y |
| 厂家： | 
BOURNS ELECTRONIC SOLUTIONS |
| 描述： | Dual-Winding Shielded Power Inductors |
| 文件： | 总2页 (文件大小：356K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
Features
Applications
■ SEPIC topology
■ Power supplies for:
■ Multiple applications: parallel, series,
dual-inductor and transformer
■ Magnetically shielded, low radiation
■ Inductance range: 0.47 to 4000 μH
■ Rated current up to 17.9 A
■ RoHS compliant*
- Communication equipment
- Notebooks, desktop computers,
servers
- LCDs, flat panels, backlights
- Camcorders, HDTVs, car audio
systems
1
10
SRF1280 Series - Dual-Winding Shielded Power Inductors
Electrical Specifications @ 25 °C
General Specifications
Test Voltage..................................0.25 V
Hi-pot.................500 Vrms, 3 mA, 3 sec.
Reflow Soldering .. 230 °C; 50 sec. max.
Operating Temperature
Parallel Rating
Series Rating
DCR
Inductance
DCR
Inductance
Bourns
Part No.
@ 100 KHz Tol.
(Ω)
Irms Isat @ 100 KHz Tol.
(Ω)
Irms
(A)
Isat
(A)
L (μH)
0.47
1.0
1.5
2.2
3.3
4.7
6.8
8.2
10
(%)
Max.
(A)
(A)
56
40
L (μH)
1.88
4
(%)
Max.
................................. -40 °C to +125 °C
(Temperature rise included)
SRF1280-R47Y
SRF1280-1R0Y
SRF1280-1R5Y
SRF1280-2R2Y
SRF1280-3R3Y
SRF1280-4R7Y
SRF1280-6R8Y
SRF1280-8R2Y
SRF1280-100M
SRF1280-150M
SRF1280-220M
SRF1280-330M
SRF1280-470M
SRF1280-680M
SRF1280-820M
SRF1280-101M
SRF1280-151M
SRF1280-221M
SRF1280-331M
SRF1280-471M
SRF1280-681M
SRF1280-821M
SRF1280-102M
30 0.0055 17.9
30 0.0216 8.94
28
30 0.0067 15.5
30 0.026 7.74
20
Storage Temperature .. -40 °C to +125 °C
Resistance to Solder Heat
30 0.0076 13.5 31.1
30 0.0092 12.5 25.5
30 0.011 10.4 21.5
30 0.0135 8.25 16.5
30 0.0183 7.34 13.3
30 0.0191 6.32 12.2
20 0.0241 6.04 11.2
20 0.0333 5.03 9.66
6
30 0.0306 6.77 15.6
30 0.0338 6.23 12.7
8.8
...............................+260 °C for 10 sec.
13.2
18.8
27.2
32.8
40
30 0.04
30 0.05
5.23 10.8
4.13 8.24
Materials
30 0.0656 3.67 6.67
30 0.0714 3.16 6.09
Core..............................................Ferrite
Wire ............................Enameled copper
Base ................................................LCP
Adhesive.............................. Epoxy resin
Terminal..............................................Sn
Rated Current
20 0.0921 3.02
5.6
15
60
20 0.129 2.51 4.83
20 0.192 3.78
22
20 0.0503
4
7.57
88
2
33
20 0.0664 3.23 6.22
20 0.0898 2.95 5.28
20 0.123 2.44 4.44
20 0.153 2.09 4.06
20 0.175 1.96 3.64
20 0.261 1.59 3.01
20 0.343 1.29 2.43
132
188
272
328
400
600
880
1320
1880
2720
3280
4000
20 0.265 1.61 3.11
20 0.353 1.47 2.64
20 0.469 1.22 2.22
20 0.578 1.04 2.03
20 0.701 0.98 1.82
20 1.013 0.796 1.51
20 1.38 0.645 1.22
20 2.172 0.522 1.01
47
............ Inductance drops 30 % at Isat
Temperature Rise.....40 °C at rated Irms
Packaging....... 400 pcs. per 13-inch reel
68
82
100
150
220
330
470
680
820
1000
How to Order
20
0.54
1.04 2.01
SRF1280 - 100M
20 0.865 0.85 1.68
20 1.296 0.76 1.39
20 1.632 0.65 1.27
20 1.992 0.61 1.14
20
3.3
0.427 0.838
20 4.888 0.38 0.697
20 5.896 0.325 0.633
20 7.202 0.307 0.571
Model
Value Code (see table)
Electrical Schematic
Product Dimensions
12.50
MAX.
(.492)
1
2
1
2
1
2
N1
N2
N1
N2
N1
N2
12.50
(.492)
MAX.
3
4
3
4
3
4
PARALLEL
SERIES
Recommended Layout
8.00
MAX.
(.315)
4.50
(.204)
4.50
(.204)
2.15
2.15
(.085)
(.085)
2
3
MM
DIMENSIONS:
2
3
1
4
1
4
(INCHES)
5.00 0.3
(.197 .012)
13.00
(.512)
13.00
(.512)
5.00 0.3
(.197 .012)
2
3
1
4
1.28
(.050)
1.28
(.050)
DUAL INDUCTOR MODE
SERIES MODE
1.80 0.2
(.071 .008)
*RoHS Directive 2002/95/EC Jan. 27, 2003 including annex and RoHS Recast 2011/65/EU June 8, 2011.
Specifications are subject to change without notice.
The device characteristics and parameters in this data sheet can and do vary in different applications and actual device performance may vary over time.
Users should verify actual device performance in their specific applications.
SRF1280 Series - Dual-Winding Shielded Power Inductors
Packaging Specifications
330
(12.99)
2.0 0.5
(.079 .020)
30.4
(1.197)
DIA.
13.0 0.5
(.512 .020)
DIA.
21.0 0.8
(.827 .031)
50.0 -0
(1.97 -0)
13.0
(.512)
DIA.
24.0
(.945)
26 +0
(1.024 +0)
16.0
4.0
(.630)
(.157)
END
START
NO COMPONENT
200
COMPONENTS
NO COMPONENT
400
(7.87)
(15.75)
USER DIRECTION OF FEED
QTY: 400 PCS. PER REEL
MM
DIMENSIONS:
(INCHES)
Asia-Pacific: Tel: +886-2 2562-4117 • Fax: +886-2 2562-4116
Europe: Tel: +41-41 768 5555 • Fax: +41-41 768 5510
The Americas: Tel: +1-951 781-5500 • Fax: +1-951 781-5700
www.bourns.com
REV. 06/13
Specifications are subject to change without notice.
The device characteristics and parameters in this data sheet can and do vary in different applications and actual device performance may vary over time.
Users should verify actual device performance in their specific applications.
相关型号：
©2020 ICPDF网 联系我们和版权申明