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2779H PDF预览

2779H

更新时间: 2024-01-27 17:24:49
品牌 Logo 应用领域
BEL 变压器
页数 文件大小 规格书
2页 56K
描述
HIGH FREQUECY MAGNETICS T1/E1 Surface Mount Transformer

2779H 技术参数

生命周期:ActiveReach Compliance Code:compliant
ECCN代码:EAR99风险等级:5.67
其他特性:DATA COUPLING高度:8.89 mm
长度:12.7 mm安装特点:SURFACE MOUNT
最高工作温度:85 °C最低工作温度:-40 °C
物理尺寸:12.7mm X 10.92mm X 8.89mm表面贴装:YES
变压器类型:TELECOM TRANSFORMER宽度:10.92 mm
Base Number Matches:1

2779H 数据手册

 浏览型号2779H的Datasheet PDF文件第2页 
HIGH FREQUECY MAGNETICS  
T1/E1 Surface MountTransformer  
TM00139  
Operates at the T1 rate of 1.544 Mbits/s and at the  
E1 rate of 2.048 Mbits/s  
Operating temperature range: -40° C to +85° C  
Meets IEC 695, 2-2 flammability requirements  
Designed for transmit and receive line interface  
applications  
PWB Process Capability: standard printed wiring board  
assembly techniques, total-immersion cleaning  
Low capacitance design for EMI suppression  
Dual ratio for both 75and 120operation  
1500-Volt isolation  
Reliability testing: Shock, vibration, temperature cycling,  
temperature - humidity - bias  
ELECTRICAL SPECIFICATIONS AT 25° C  
DCR  
Leakage  
Interwinding  
Capacitance3  
pF max  
Minimum  
Interwinding  
Breakdown  
Voltage  
Nominal Turns Ratio  
±2%  
Inductance1  
mH min  
Inductance 2  
µH max & min  
max  
Part  
Number  
(4-1) & (4-1) &  
Vrms  
(4-1):(5-2) (4-1):(5-8)  
(4-1)  
(4-1)  
(5-2)  
(3-8)  
(4-1)  
(5-2)  
(3-8)  
2779H  
1 : 1.07  
1 : 1.37  
1.65  
1.1  
1.1  
0.4  
0.70  
26  
28  
1500  
1. measured at 10 kHz, 0.1 Vac  
2. measured at 100 kHz, 0.10 Vac  
3. measured at 1 kHz, 1 Vac  
SCHEMATICS  
2779H  
4
5
2
3
8
1
1 : 1.07  
1 : 1.37  
©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  
T1-87  

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