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2745AF PDF预览

2745AF

更新时间: 2024-02-17 21:29:19
品牌 Logo 应用领域
BEL /
页数 文件大小 规格书
2页 63K
描述
HIGH FREQUENCY MAGNETICS T1/E1 Through Hole Transformers

2745AF 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

2745AF 数据手册

 浏览型号2745AF的Datasheet PDF文件第2页 
HIGH FREQUENCY MAGNETICS  
T1/E1 Through Hole Transformers  
TM00118  
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  
Contains specific interwinding insulation to mini-  
mize capacitance  
PWB Process Capability: standard printed wiring board  
assembly techniques, total-immersion cleaning  
Winding (3-2)(2-1) is highly balanced  
Reliability testing: Shock, vibration, temperature cycling,  
temperature - humidity - bias  
Designed for automatic machine placement into  
printed wiring boards  
Only difference between the 2745AF and 2745AF2  
is the terminal length  
ELECTRICAL SPECIFICATIONS AT 25° C  
DCR  
MInimum  
Interwinding  
Breakdown  
Voltage  
Interwinding  
Capacitance  
pF max  
Turns Ratio  
± 2%  
Inductance1  
mH min  
Leakage Inductance 2  
µH max  
max  
Part  
Number  
Vrms  
(3-1) : (4-6)  
1CT : 2 CT  
1CT : 2 CT  
(3-1)  
3.15  
3.15  
(3-1)  
1.55  
1.55  
(4-6)  
3.15  
3.15  
(3-1)  
3.0  
(3-1) and (4-6)  
2745AF  
23  
23  
1000  
1000  
2745AF2  
3.0  
1. measured at 19 kHz, 0.1V  
2. measured at 100kHz, with (4-6) shorted  
Typical Frequency and Time Response  
Terminating  
Impedances  
Bandwidth  
Droop  
(350 ns pulse)  
Risetime Overshoot  
(3 dB)  
100 : 400 Ω  
2 kHz - 21 MHz  
17 ns  
0 %  
0.5%  
SCHEMATIC  
2745AF  
2745AF2  
4
3
2
5 CT  
6
CT  
1
1 CT : 2 CT  
©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  
T1-41  

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