T-13230

U Interface Transformer (2B1Q Coding Applications) Designed for use with AT&T T7262/63 Turns Ratio ( + 3 % ) (Line : Chip) PARAMETER MIN. MAX. 1.50 : 1 UNITS Primary Inductance (Line Side) 1 Pins 7 to 5 with 8 & 6 shorted. 13.63 15.37 3.0 2.0 mH ohms ohms VRMS Flammability: Materials used in the production of these units meet requirements of UL94-VO and IEC 695-2-2 needle flame test. Primary DC Resistance Secondary DC Resistance Isolation (Hi-Pot) DC Bias Return Loss 10KHz & 25 KHz Longitudinal Balance (281 Hz to 40 kHz) NOTE: 1. Tested @10 kHz / 700 mV, on Line Side Operating Temp. Range -400C to +850C Primary is Line Side (Pins 5,8,6,7) Secondary is Chip Side (Pins 2,11) Surge Voltage Capability Metallic Voltage: 800 V peak, 10/560 µS Longitudinal Voltage: 2400 V peak, 10/700 µS Schematic 2 Chip Side 5 8 6 2000 60 20 Line Side mA dB 11 7 55 dB Physical Dimensions inches (mm) RM-8 Package RHOMBUS P/N: T-13230 CUST P/N: DATE: 7/2/96 NAME: SHEET: 1 of 1 Rhombus Industries Inc. Transformers & Magnetic Products 15801 Chemical Lane, Huntington Beach, CA 92649 Phone: (714) 898-0960 FAX: (714) 896-0971 www.rhombus-ind.com