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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 recommendation 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. TEW4974 * * MECHANICAL 6 Line Side 4 1:2 TEW4974 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 4 5 ELECTRICAL SPECIFICATIONS Line Impedance TEW4974 TEW4974 120 (6 - 4):(1 - 3) (1 - 3) (6 - 4) (6 - 4) (6 - 4) 1:2 5.2 nom. 3.1 nom. > 16 mH < 50 H Codirectional para. 1.2.1.3 0 to +50o C - 40 to +70o C 4000 Vrms TEW4974-1 120 1:2 8.9 nom. 2.8 nom > 24 mH < 20 H 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: E 95/03/01 Application CCITT G.703 Operating Storage Filtran Limited 229 Colonnade Road, Nepean, Ontario, Canada. K2E 7K3, Tel : (613) 226-1626 Fax : (613) 226-7124 5-4 |
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