2745AL2

更新时间： 2024-01-17 11:32:53

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

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技术参数
数据手册

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2745AL2 技术参数

生命周期：	Active	Reach Compliance Code：	compliant
ECCN代码：	EAR99	风险等级：	5.67
Is Samacsys：	N	其他特性：	TURNS RATIO: 1:1.14CT
高度：	8.89 mm	长度：	14.22 mm
安装特点：	THROUGH HOLE MOUNTED	最高工作温度：	85 °C
最低工作温度：	-40 °C	物理尺寸：	14.22mm X 11.68mm X 8.89mm
表面贴装：	NO	变压器类型：	TELECOM TRANSFORMER
宽度：	11.68 mm	Base Number Matches：	1

2745AL2 数据手册

HIGH FREQUENCY MAGNETICS

T1/E1 Through Hole Hardened Transformer

TM00127

•

Meets IEC 695, 2-2 flammability requirements

•

Designed to operate at the DS1 rate of 1.544 Mbits/s

PWB Process Capability: standard printed wiring board

assembly techniques, total-immersion cleaning

Winding (4-6) can handle a 6 A current surge for 1

second with no damage

•

Reliability testing: Shock, vibration, temperature cycling,

temperature - humidity - bias

•

Operating temperature range: -40°C to +85° C

ELECTRICAL SPECIFICATIONS AT 25° C

Minimum

Interwinding

Breakdown

Voltage

Nominal

Inductance¹

Turns Ratio

mH Min

DCR

Ω

max

Leakage

Inductance

µH max

Interwinding

Capacitance

pF max

Part Number

± 2%

(3-1):(4-6)

1 : 1.14 CT

(3-1)

(4-6)

(3-1)

(3-1) to (4-6)

Vrms

2745AL2

1.25

0.85

0.40

1.8

1000

1. measured at 10 kHz, 0.1 Vac

SCHEMATIC

2745AL2

5 CT

1 : 1.14 CT

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

T1-61

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