SRF0703-R33M [BOURNS]
Dual-Winding Shielded Power Inductors;
| 型号： | SRF0703-R33M |
| 厂家： | 
BOURNS ELECTRONIC SOLUTIONS |
| 描述： | Dual-Winding Shielded Power Inductors |
| 文件： | 总2页 (文件大小：376K) |
| 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: 0.33 to 4000 μH
■ Rated current up to 6.19 A
■ RoHS compliant*
- Communication equipment
- Notebooks, desktop computers,
servers
- LCDs, flat panels, backlights
- Camcorders, HDTVs, car audio
systems
471
SRF0703 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
@ 100 KHz
@ 100 KHz
(Ω)
Irms
(A)
Isat
(A)
(Ω)
Irms
Isat
(A)
Bourns Part No. L (μH) 20 ꢀ
Max.
L (μH) 20 ꢀ Max.
(A)
3.1
................................. -40 °C to +125 °C
(Temperature rise included)
SRF0703-R33M
SRF0703-1R0M
SRF0703-1R5M
SRF0703-2R2M
SRF0703-3R3M
SRF0703-4R7M
SRF0703-6R8M
SRF0703-8R2M
SRF0703-100M
SRF0703-150M
SRF0703-220M
SRF0703-330M
SRF0703-470M
SRF0703-680M
SRF0703-820M
SRF0703-101M
SRF0703-151M
SRF0703-221M
SRF0703-331M
SRF0703-471M
SRF0703-681M
SRF0703-821M
SRF0703-102M
0.33
1.0
1.5
2.2
3.3
4.7
6.8
8.2
10
0.0092 6.19 14.4
0.0135 5.25 7.97
0.0191 4.64 6.52
1.32
0.04
0.072
0.11
7.18
3.99
3.26
2.76
2.11
1.89
1.56
1.33
1.24
4
2.63
2.32
2.06
1.66
1.55
1.28
1.1
Storage Temperature .. -40 °C to +125 °C
Resistance to Solder Heat
6
0.0217 4.11
5.52
8.8
0.132
0.182
0.242
0.285
0.306
0.342
0.47
0.62
1.0
...............................+260 °C for 10 sec.
0.0316 3.31 4.22
0.0406 3.09 3.78
0.0658 2.55 3.12
0.0772 2.19 2.66
0.0826 2.08 2.47
13.2
18.8
27.2
32.8
40
Materials
Core..............................................Ferrite
Wire ............................Enameled copper
Base ................................................LCP
Adhesive..............................Epoxy resin
Terminal..............................................Sn
Rated Current
1.04
15
0.119
0.15
0.24
0.338
0.507
0.61
0.715
0.986
1.48
2.16
2.82
3.96
5.01
6.11
1.83 2.05
1.62 1.67
1.31 1.35
1.08 1.14
0.89 0.96
0.86 0.89
0.73 0.79
0.58 0.65
0.52 0.53
0.42 0.44
0.35 0.37
0.29 0.31
0.27 0.28
0.26 0.25
60
88
0.916 1.03
22
0.811
0.83
33
132
188
272
328
400
600
880
1320
1880
2720
3280
4000
0.653 0.68
0.542 0.57
0.444 0.48
47
1.28
1.92
2.28
2.64
3.63
5.5
............ Inductance drops 30 % at Isat
Temperature Rise.....40 °C at rated Irms
Packaging..... 1500 pcs. per 13-inch reel
68
82
0.43
0.44
100
150
220
330
470
680
820
1000
0.367 0.39
0.289 0.32
How to Order
0.26
0.211
0.27
0.22
SRF0703 - 100M
8.25
Model
Value Code (see table)
11.22 0.173 0.18
16.17 0.143 0.15
20.07 0.134 0.14
24.42 0.128 0.13
Product Dimensions
7.6
MAX.
(.299)
Electrical Schematic
1
2
1
2
N2
4
1
2
7.6
(.299)
MAX.
N1
N2
N1
N1
N2
3
4
3
3
4
PARALLEL
SERIES
3.4 0.2
(.134 .008)
Recommended Layout
0.4
(.016)
3.0
(.118)
0.4
(.016)
3.0
(.118)
2.9
TYP.
(.114)
2
3
1
4
2
1
4
1
4
2
3
7.9
(.311)
7.9
(.311)
2.7
(.106)
TYP.
3
1.4
(.055)
1.4
(.055)
DUAL INDUCTOR MODE
1.0
(.039)
SERIES MODE
TYP.
*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.
Customers should verify actual device performance in their specific applications.
MM
(INCHES)
DIMENSIONS:
SRF0703 Series - Dual-Winding Shielded Power Inductors
Packaging Specifications
330
(12.99)
2.0 0.5
(.079 .020)
22.4
(.882)
DIA.
13.0 0.5
(.512 .020)
DIA.
21.0 0.8
(.827 .031)
50.0 -0
(1.97 -0)
13.0 0.5
(.512 .020)
DIA.
18 +0
(.709 +0)
16.0
(.630)
16.0
(.630)
4.0
(.157)
END
START
NO COMPONENT
COMPONENTS
NO COMPONENT
400
200
(7.87)
(15.75)
USER DIRECTION OF FEED
QTY: 1500 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. 05/12
Specifications are subject to change without notice.
Customers should verify actual device performance in their specific applications.
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