TEW4974
TEW4974 is 64 Kbit/s data In/Output Transformer manufactured by Filtran.
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64 Kbit/s data
SCOPE TEW4974 and TEW4974-1 are designed to operate in the 64 kbit mode of the CCITT remendation G703 for Hierarchical Digital Interfaces. Applications: Codirectional Interface Contradirectional Interface
In/Output Transformer
Features
:
- TEW4974 is specifically designed to meet the stringent BS6301 requirements for reinforced barrier insulation. TEW4974 is fully encapsulated in epoxy to ensure 4000V dielectric strength. TEW4974-1 has an electrostatic shield for improved noise rejection.
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MECHANICAL 6 Line Side 4 1:2
1 2 3 Device
6 Line Side
WHITE DOT AT PIN 1
1 2 3 1:2
TEW4974-1
Device
All dimensions are in inches
ELECTRICAL SPECIFICATIONS Line Impedance
TEW4974 120 Ω (6
- 4):(1
- 3) (1
- 3) (6
- 4) (6
- 4) (6
- 4) 1:2 5.2 Ω nom. 3.1 Ω nom. > 16 m H < 50 µH Codirectional para. 1.2.1.3 0 to +50o C
- 40 to +70o C 4000 Vrms
TEW4974-1 120 Ω 1:2 8.9 Ω nom. 2.8 Ω nom > 24 m H < 20 µH Co- & Contradirectional para. 1.2.1.3 & 1.2.3.1.6 0 to +50o C
- 40 to +70o C 1500 Vrms
Turns Ratio Winding Resistance Inductance @ 0.5V 3000 Hz Leakage Inductance Return Loss @ 0.5 V Temperature Dielectric Strength
ISSUE:...