ISDN TEW5335 is designed and approved for Mitel MT8972 and MT8971A/72B devices. Features – – – – TEW5335 U-BUS/DNIC Input/Output Transformer Small size Low cost SMD mount Up to 20 mA Loop current Applications: • Digital subscriber lines. • High speed data transmission over twisted wire. • Digital PABX line cards and telephone sets. MECHANICAL Top view 2 10 17.0 ± 0.02 9 Device 2.54 (8 places) Line 7 13.0 ± 0.2 4 0.7 6 TEW5335 13.0 1.6 10.16 0.85 < 13.0 2.54 17.8 ELECTRICAL SPECIFICATION ISSUE: B TEW5335 135 Ω Line Impedance DCR (Ohms) (2-4) (10-9) (7-6) 3.0 0.8 0.8 Inductance (mH) (2-4) > 30 Leakage Ind. (µ H) (2-4) < 100 94/12/14 TEW5335.chp RECOMMENDED FOOT PRINT Turns Ratio Frequency response Dielectric Strength (Vrms) Filtran Limited (2-4):(10-9):(7-6) 4:1:1 10 - 500 KHz < 3 dB With 20 mA Line current 1500 229 Colonnade Road, Nepean, Ontario, Canada. K2E 7K3, Tel : (613) 226-1626 Fax : (613) 226-7124 4-18