T-10404

ISDN S Interface Transformer Turns Ratio ( + 2% ) 1CT : 2.5CT* SCHEMATIC DIAGRAM PARAMETER Open Circuit Inductance Leakage Inductance Interwinding Capacitance (CW/W) Distributed Capacitance (CD) Primary DC Resistance Secondary DC Resistance Isolation (HI-POT) MIN. 22 MAX. UNITS mHy 40 100 110 2.13 4.93 2.0K 2.88 6.67 µHy pF pF ohms ohms VRMS 1 2 Pri 3 4 Sec 8 7 6 5 TEST CONDITIONS: Oscillation Voltage = 700mV Oscillation Frequency = 10.0 KHz Inductance measured on Primary winding. Pins 1 - 4 (short 2 & 3). *Short Pins 2 & 3 and 6 + 7 MEETS THE PULSE WAVEFORM TEMPLATE OF CCITT I.430. Primary is Line Side Unbalanced current at TE: ∆ Idc = 1 mA max. Longitudinal Conversion Loss - 10KHz to 300 KHz: 60dB min. Flammability: Materials used in the production of these units are UL94-VO and meet requirements of IEC 695-2-2 needle flame test. Unused Pins Omitted PHYSICAL DIMENSIONS inches (mm) 8-Pin Bottom View .558 (14.2) MAX. .400 (10.16) MAX. .120 (3.05) MIN. .400 (10.16) 1 2 3 4 8 7 6 5 .558 (14.2) MAX. .558 (14.2) MAX. .558 (14.2) MAX. .100 (2.54) TYP. .400 (10.16) RHOMBUS P/N: T-10404 CUST P/N: DATE: 12/09/98 NAME: SHEET: 1 OF 1 Rhombus Industries Inc. Transformers & Magnetic Products www.rhombus-ind.com 15801 Chemical Lane, Huntington Beach, CA 92649-1595 Phone: (714) 898-0960 FAX: (714) 896-0971