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TEW4922 Dataheets PDF



Part Number TEW4922
Manufacturers Filtran
Logo Filtran
Description CEPT/T1 Input Transformer
Datasheet TEW4922 DatasheetTEW4922 Datasheet (PDF)

www.DataSheet4U.com CEPT/T1 TEW4922 is designed and approved to be used as a receive transformer with MITEL MT89760/-60B and MT89790/-90B devices. Fully encapsulated in epoxy. Also suitable as input/output transformer for other makes of T1/CEPT interface devices. Input Transformer TEW4922 Typical applications are: • • • Primary rate ISDN network nodes. PBX or computer to T1/CEPT Digital Trunks. High speed data link using T1/CEPT Digital Trunk. BABT certified for reinforced insulation to E.

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www.DataSheet4U.com CEPT/T1 TEW4922 is designed and approved to be used as a receive transformer with MITEL MT89760/-60B and MT89790/-90B devices. Fully encapsulated in epoxy. Also suitable as input/output transformer for other makes of T1/CEPT interface devices. Input Transformer TEW4922 Typical applications are: • • • Primary rate ISDN network nodes. PBX or computer to T1/CEPT Digital Trunks. High speed data link using T1/CEPT Digital Trunk. BABT certified for reinforced insulation to EN60950 & EN41003. Cert #: CR/T/0052 MECHANICAL 6 Line 4 TEW4922-1, -2 @ -3 1 2 3 Device com 6 Line WHITE DOT AT PIN 1 1 2 3 TEW4922-4 75 Ω 5 120 Ω 4 Device ELECTRICAL SPECIFICATION Devices Application Line Impedance DCR 4922.chp TEW4922-1 MT89760 MT89760B T1 100 Ω -2 MT89790 MT89790B CEPT 120 Ω 1.55 1.08 1 : 1 : 1.26 —> 2.8 I.431 G.703 4000V -3 MT89790 MT89790B CEPT 75 Ω 1.11 0.55 1:1:1 —> 0.70 I.431 G.703 BS6328 4000V -4 MT89790 MT89790B CEPT 75/120 Ω 1.1 0.7 1 : 1 : 1.26 1:1:1 > 2.8 I.431 G.703 BS6328 4000V (Ohms) (1 - 3) (6 - 4) (1 - 2) : (2 - 3): (6 - 4) (1 - 2) : (2 - 3): (6 - 5) 1.55 0.85 1: 1 : 1 —> 3.5 T1.408 T1.408 Turns ratio Inductance Longitud. Bal. Return Loss Dielectric Strength, Volts RMS Temperatures, Operating Storage (mH) ISSUE: D , 95/04/25 (6 - 4) 4000V to -20 to 80 C 0o o 50oC o 4000V Filtran Limited 229 Colonnade Road, Nepean, Ontario, Canada, K2E 7K3 Tel: (613) 226-1626 Fax: (613) 226-7124 2-16 .


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