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ISDN
U-BUS/DNIC Input/Output Transformer
TEW5318
TEW5318 is designed to interface with the subscriber premises (NT) and the 2-wire line side of the central office equipment (LT) in the ISDN system. TEW5318 meets the requirements for the Mitel MT8972 and MT8971B/72B devices.
Features: • • Low profile construction. Handles 100 mA unbalanced line current.
TEW5318-1 is supplied with a “Flux-band” for additional cross talk suppression.
MECHANICAL
1 6
DEVICE
2
LINE
7
3 4
DOT AT PIN #1
DIMENSIONS, Inches (mm)
P/N TEW5318 L W H A B C S 0.025 (0.64)
0.87 0.83 0.63 0.60 0.20 0.12 (22.0) (21.0)(16.0)(15.3) (5.1) (3.0)
ELECTRICAL SPECIFICATIONS
TEW531.chp8
TEW5318 135 Ω (6-7) (6-7) 30 mH 95 µH 3.5 Ω 6.5 Ω 4:1:1 100 mA 1500 V rms no
TEW5318-1 135 Ω 30 mH 95 µH 3.