ISDN U-Bus TPW5624 Input/Output Transformer TPW5524 is designed to interface with the subscribers premises (NT) and the 2-wire line side of the Central Office Equipment (LT) in the ISDN. TPW5624 conforms to the requirements of the ANSI T1.6011988. TPW5624 meets the electrical specifications for the Motorola MC145572 device. MECHANICAL 1 7 0.55 12 Device 6 2 0.11 Line side 5 0.020 11 All dimensions are in inches Dot at pin 1 0.80 A Drill pattern seen from component side 11 12 1 2 0.80 8 7 6 5 A & B are 2 gnd. pins dia, 0.027 length, 0.15 Grid, 0.1 x 0.1 B Line Impedance (Ω) 5624.chp DCR (Ω) (7 - 5) (2 - 11) (1 - 12) 3.9 4.0 4.0 94/12/14 TPW5624 Inductance (mH) (1 - 11) > 28 @ 80 mA Leakage Ind. (µH) (1 - 11) < 20 strap 2 to12 ISSUE: A ELECTRICAL SPECIFICATION Turns Ratio Longitudinal Bal. (dB) Dielectric Strength (V rms) Filtran Limited 135 (7 - 5) : (1 -11) 1 : 1.25 1 - 4 KHz 4 - 160 KHz Pri to Sec windings to core > 60 > 55 1500 1500 229 Colonnade Road, Nepean, Ontario, Canada. K2E 7K3, Tel : (613) 226-1626 Fax : (613) 226-7124 4-22