Datasheet > TEW5252

TEW5252

更新时间： 2025-09-05 03:28:15

品牌	Logo	应用领域
FILTRAN		变压器综合业务数字网
页数	文件大小	规格书
1页	31K
描述
ISDN U-BUS Input/Output Transformer

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数据手册

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TEW5252 数据手册

ISDN

U-BUS Input/Output Transformer

TEW5252

TEW5252-1 is designed to inter-

face with the subscribers prem-

ises (NT) and the 2- wire line

side of the Central Office Equip-

ment (LT) in the ISDN Network.

Applications:

•

High performance ANSI

2B1Q line code.

TEW5252-1 meets the electrical

requirements for the

AT&T T7262 device, and com-

plies with the ANSI T1.601 speci-

fication.

•

Low profile construction.

Up to 30 mA line current.

Exceeds the requirements of

EN60950 and EN41003.

Designed to meet the require-

ments BS6301 for reinforced in-

sulation, clearance and creepaga

distances.

MECHANICAL

DEVICE

LINE

DOT AT

PIN #1

DIMENSIONS, Inches (mm)

P/N

TEW5252

0.87 0.83 0.63 0.60 0.20 0.12 0.025

(22.0)(21.0)(16.0)(15.3) (5.1) (3.0) (0.64)

ELECTRICAL SPECIFICATIONS

TEW5252-1

Devices

Line Impedance

Inductance

135 Ω

(1-2)+(3-4)

(6-7)

80 - 120 mH

Leakage Inductance

(short 2-3 & 1-4)

< 35 µH

Winding Resistance

(1-2) + (3-4)

(6-7)

13.5 - 16.5 Ω

4 - 5.5 Ω

Turns Ratio

(6-7):(1-2 ):(3-4)

1 : 1.25 : 1.25

DC Capability (Line Side)

Dielectric Strength

(1 - 4)

30 mA

4000 V rms

Filtran Limited

229 Colonnade Road, Nepean, Ontario, Canada. K2E 7K3

Tel : (613) 226-1626 Fax : (613) 226-7124

4-16

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