2745B

更新时间： 2024-02-22 03:56:46

品牌	Logo	应用领域
BEL		变压器
页数	文件大小	规格书
2页	42K
描述
HIGH FREQUENCY MAGNETICS T1/E1 Through Hole Transformer

阅读下载

获取价格

技术参数
数据手册

如果您发现信息不准确，欢迎纠错

2745B 技术参数

是否无铅：	含铅	是否Rohs认证：	不符合
生命周期：	Active	Reach 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

2745B 数据手册

HIGH FREQUENCY MAGNETICS

T1/E1 Through Hole Transformer

TM00115

•

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

•

Winding (3-2) (2-1) is highly balanced

PWB Process Capability: standard printed wiring board

assembly techniques, total-immersion cleaning

Designed for automatic machine placement into

printed wiring boards

•

Reliability testing: Shock, vibration, temperature cycling,

temperature - humidity - bias

•

Recommended replacement is 2745AF2

ELECTRICAL SPECIFICATIONS AT 25° C

DCR

Interwinding

Capacitance

pF typ

MInimum

Interwinding

Breakdown

Voltage

Turns Ratio

± 2%

Inductance¹

mH min

Leakage Inductance ²

µH max

Ω

max

Part

Number

Vrms

(3-1) : (4-6)

(3-1)

(4-6)

(3-1)

(3-1) and (4-6)

2745B

1CT : 2 CT

3.5

4.9

10.2

7.0

110

850

1. measured at 10 kHz, 0.1 V

2. measured at 100 kHz, with (4-6) shorted

SCHEMATIC

2745B

CT 2

5 CT

1 CT : 2 CT

Bel Fuse Inc. 198 Van Vorst Street, Jersey City, NJ 07302 • Tel 201-432-0463 • Fax 201-432-9542 • www.belfuse.com

T1-35

下载PDF

与2745B相关器件

型号	品牌	描述	获取价格	数据表
2745C	BEL	HIGH FREQUENCY MAGNETICS T1/E1 Through Hole Transformers	获取价格
2745C2	BEL	HIGH FREQUENCY MAGNETICS T1/E1 Through Hole Transformers	获取价格
2745CA	BEL	HIGH FREQUENCY MAGNETICST1/E1 Through Hole Transformers	获取价格
2745CA2	BEL	HIGH FREQUENCY MAGNETICS T1/E1 Single Through Hole Transformers	获取价格
2745F	BEL	HIGH FREQUENCY MAGNETICS T1/E1 Through Hole Hardened Transformers	获取价格
2745F2	BEL	HIGH FREQUENCY MAGNETICS T1/E1 Through Hole Hardened Transformers	获取价格