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2771J [BEL]

ISDN MAGNETICS UPO Interface Transformer; ISDN MAGNETICS UPO接口变压器
2771J
型号： 2771J
厂家： BEL FUSE INC.    BEL FUSE INC.
描述：

ISDN MAGNETICS UPO Interface Transformer
ISDN MAGNETICS UPO接口变压器

变压器 连接器 电信连接器和数据通信连接器 综合业务数字网
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中文：  中文翻译
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ISDN MAGNETICS  
UPO InterfaceTransformer  
TM00209  
•
Qualified per Bellcore TR-TSY-000357-1  
•
Minimum interwinding breakdown voltage of 1500 Vrms  
ELECTRICAL SPECIFICATIONS at 25° C  
DCR  
Ω
Primary  
Inductance*  
mH min  
Leakage  
Inductance  
µH max  
Interwinding  
max  
Turns Ratio  
Part Number  
Capacitance  
pF max  
± 2%  
Pri  
Sec  
2771J  
1CT : 1.25  
1.7  
9.5  
3.3  
10.2  
75  
* Measured at 10 KHz, 0.1 Vac  
SCHEMATIC  
Compatible Transceiver ICs  
2771J  
Part Number  
8
IC Mfr  
IC Part Number  
2771J  
Siemens  
PEB2095  
1
2
3
6
7
CT  
5
Primary  
Secondary  
©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  
T2-21  
ISDN MAGNETICS  
UPO InterfaceTransformer  
TM00209  
MECHANICAL  
2771J  
0.120 [3.05]  
ref  
0.160 [4.06]  
ref  
8
5
0.495  
[12.57]  
max  
0.430  
[10.92]  
max  
Terminal 1  
Identifier  
1
0.590 [15.00]  
4
max  
0.030  
[0.76]  
0.395  
[10.03]  
max  
0.100 [2.54]  
typ  
0.024 [0.61]  
Component  
Center  
8
7
2
6
3
5
4
0.255  
[6.48]  
1
0.120 [3.05]  
typ  
0.008 [0.203]  
2 places  
0.045 [1.14]  
typ  
Suggested PCB Pad Layout  
Note: Unless otherwise specified, dimensions  
are nominal and in inches [millimeters].  
©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  
T2-22  

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