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SRF0703-221M PDF预览

SRF0703-221M

更新时间： 2024-11-19 00:51:15
品牌 Logo 应用领域
伯恩斯 - BOURNS /
页数 文件大小 规格书
2页 376K
描述
Dual-Winding Shielded Power Inductors

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SRF0703-221M 数据手册

 浏览型号SRF0703-221M的Datasheet PDF文件第2页 
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:  
12

中文翻译

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SRF0703-221M 替代型号

型号 品牌 替代类型 描述 数据表
MSD7342-224MLB COILCRAFT

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