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2745CA PDF预览

2745CA

更新时间: 2024-02-01 22:07:33
品牌 Logo 应用领域
BEL /
页数 文件大小 规格书
2页 68K
描述
HIGH FREQUENCY MAGNETICST1/E1 Through Hole Transformers

2745CA 技术参数

是否无铅: 含铅是否Rohs认证: 不符合
生命周期:ActiveReach Compliance Code:not_compliant
ECCN代码:EAR99风险等级:5.75
其他特性:DATA COUPLING高度:8.89 mm
长度:14.22 mm安装特点:THROUGH HOLE MOUNTED
最大工作频率:25000 kHz最小工作频率:1 kHz
最高工作温度:85 °C最低工作温度:-40 °C
物理尺寸:L14.22XB11.68XH8.89 (mm)表面贴装:NO
变压器类型:TELECOM TRANSFORMER宽度:11.68 mm
Base Number Matches:1

2745CA 数据手册

 浏览型号2745CA的Datasheet PDF文件第2页 
HIGH FREQUENCY MAGNETICS  
T1/E1 Through Hole Transformers  
TM00121  
Operates as a line-interface pulse transformer in DS1  
and CEPT applications  
Operating temperature range: -40° C to +85° C  
Meets IEC 695, 2-2 flammability requirements  
Desiged for automatic machine placement into  
printed wiring boards  
PWB Process Capability: standard printed wiring board  
assembly techniques, total-immersion cleaning  
Only difference between the 2745AJ and 2745AJ2 is  
the terminal length  
Reliability testing: Shock, vibration, temperature cycling,  
temperature - humidity - bias  
Only difference between the 2745CA and 2745CA2  
is the terminal length  
ELECTRICAL SPECIFICATIONS at 25° C  
DCR  
max  
Turns Ratio  
Interwinding  
Breakdown  
Voltage  
Primary  
Inductance*  
mH min  
Leakage  
Inductance  
µH max  
Interwinding  
Capacitance  
pFmax  
± 2%  
Shielded  
Version  
Part Number  
Vrms min  
Pri : Sec  
Pri  
Sec  
2745AJ  
2745AJ2  
2745CA  
2745CA2  
1 : 1.07 CT  
1 : 1.07 CT  
1 : 1.36 CT  
1 : 1.36 CT  
1.0  
1.0  
0.8  
0.8  
0.7  
0.7  
0.50  
0.50  
0.85  
0.85  
1.00  
1.00  
1.2  
N/A  
N/A  
20  
850  
850  
___  
___  
0.92  
0.92  
1000  
1000  
2741H2  
2741H2  
1.2  
20  
* Measured at 10 kHz, 0.1 Vac  
SCHEMATICS  
Receive  
Transmit  
Lucent IC  
Part Number  
Application  
2745AJ  
Bel Part Number  
2745AF2  
2745AF2  
2745AF2  
2745AF2  
2745G3  
Bel Part Number  
2745CA2  
2745G3  
2745AJ2  
3
4
T7288  
CEPT 75 / CEPT 120  
DS1  
T7289A  
5
6
DS1  
2745AJ2  
2745CA2  
2745G3  
T7290A  
T7630  
T1 / CEPT 75 / CEPT 120  
DS1  
1
Primary  
Secondary  
CEPT 75.1  
2745AJ2  
2745CA2  
2745AJ2  
2745CA2  
2745G3  
2745AJ2  
2745CA2  
2745AJ2  
2745CA2  
2745G3  
2745CA  
2745CA2  
CEPT 75.2 / CEPT 120  
CEPT 75.1  
T7688  
T7689  
3
1
4
2
CEPT 75.2 / CEPT 120  
DS1  
DS1  
2745G3  
2745G3  
6
T7690  
T7698  
CEPT 75.1  
2745AJ2  
2745CA2  
2745AJ2  
2745CA2  
Primary  
Secondary  
CEPT 75.2 / CEPT 120  
©2000 Bel Fuse Inc. Specifications subject to change without notice. 09.00  
Bel Fuse Inc. 198 Van Vorst Street, Jersey City, NJ 07302 • Tel 201-432-0463 • Fax 201-432-9542 • www.belfuse.com  
T1-47  

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