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TEW4976-1 Datasheet(PDF) 1 Page - Filtran LTD |
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TEW4976-1 Datasheet(HTML) 1 Page - Filtran LTD |
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1 / 1 page TEW4976 is designed and recommended to be used as a transmit transformer in T1 and CEPT applications with the following devices: CRYSTAL CS61535A, CS61574A, CS61575 CS6158A. Level One LXT304A, LXT305A Complies with ANSI T1.408 and CCITT I.431. Typical applications are: • Primary rate ISDN network nodes. • PBX or computer to T1/CEPT Digital Trunks. • TDM Multiplexers. BABT certified for reinforced insulation to EN60950 & EN41003 Cert # : CR/T/0052 Line Impedance (1 - 3) 100 Ω 75 Ω 120 Ω 120 Ω (1 - 2) 75 Ω Turns ratio (6 - 4) : (1 - 3) 1: 1.16 c.t 1 : 1 c.t 1 : 1.26 c.t 1 : 1.26 (6 - 4) : (1 - 2) 1:1 Inductance (mH) (1 - 3) > 1.5 > 1.2 > 1.8 >1.8 Pulse Mask T1 CEPT CEPT CEPT Longitud. Bal. (dB ) 50 - 1.544 KHz > 40 > 40 > 40 > 40 Dielectric Strength (Vrms) 4000 4000 4000 4000 WHITE DOT AT PIN 1 1 2Line 3 6 Device 4 Filtran Limited 229 Colonnade Road, Nepean, Ontario, Canada. K2E 7K3, 2-17 Tel : (613) 226 1626 Fax : (613) 226 7124 CEPT/T1 Output Transformer TEW4976 All dimensions are in inches MECHANICAL ELECTRICAL SPECIFICATIONS TEW4976 - 1 - 2 - 3 - 4 |
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