转到网站首页
转为中文步骤：
1、请用电脑端360浏览器打开本页地址，如您电脑未安装360浏览器，请点这里下载;
2、点击360浏览器右上角的翻译插件，如右图红圈中所示:
3、点击所弹出窗口里的右下角的按钮 “翻译当前网页”;
4、弹窗提示翻译完毕后关闭弹窗即可；
ISDN MAGNETICS  
Surface Mount Common Mode Choke  
TM00202  
•
Designed to filter high-frequency EMI noise from  
1 MHz to 200 MHz  
•
•
Optimized for ISDN S/T-interface communications  
Minimum interwinding breakdown voltage of 500 Vrms  
ELECTRICAL SPECIFICATIONS at 25° C  
Primary  
Inductance  
µH min  
Leakage  
Inductance  
nH max  
DCR  
Ω
max  
Interwinding  
Capacitance  
pF max  
Part Number  
1793A  
22.5  
250.0  
0.35  
17  
SCHEMATIC  
TYPICAL IMPEDANCE vs. FREQUENCY  
2200  
1100  
0
1
2
3
4
8
7
6
5
100 kHz  
1 MHz  
10 MHz  
100 MHz  
FREQUENCY (MHz)  
©2000 Bel Fuse Inc. Specifications subject to change without notice. 05.00  
Bel Fuse Inc. 198 Van Vorst Street, Jersey City, NJ 07302 • Tel 201-432-0463 • Fax 201-432-9542 • www.belfuse.com  
T2-5  
ISDN MAGNETICS  
Surface Mount Common Mode Choke  
TM00202  
MECHANICAL  
0.100 [2.54]  
4
3
2
1
0.590  
[15.0]  
1793A  
5
6
7
8
0.485 [12.31]  
max  
0.360  
[9.14]  
0.100  
[2.54]  
0.210 [5.33]  
max  
0.060  
[1.52]  
0.060  
[1.52]  
Part outline  
shown for  
clarity  
Note: Unless otherwise specified, dimensions  
are nominal and in inches [millimeters].  
0.620  
[15.75]  
Suggested PCB Pad Layout  
©2000 Bel Fuse Inc. Specifications subject to change without notice. 05.00  
CORPORATE  
FAR EAST  
EUROPE  
Bel Fuse Inc.  
Bel Fuse Ltd.  
Bel Fuse Europe Ltd.  
198 Van Vorst Street  
Jersey City, NJ 07302  
Tel 201-432-0463  
Fax 201-432-9542  
www.belfuse.com  
8F / 8 Luk Hop Street  
San Po Kong  
Kowloon, Hong Kong  
Tel 852-2328-5515  
Fax 852-2352-3706  
www.belfuse.com  
PrestonTechnology Management Centre  
Marsh Lane, Suite G7, Preston  
Lancashire, PR1 8UD, U.K.  
Tel 44-1772-556601  
Fax 44-1772-888366  
www.belfuse.com  
T2-6