ISDN S Interface Common Mode Choke Turns Ratio ( + 1% ) 1:1:1:1 SCHEMATIC DIAGRAM PARAMETER MIN. *Open Circuit Inductance 22.5 MAX. UNITS µHy 0.23 µHy *Interwinding Capacitance (CW/W) 17 pF DC Resistance (any winding) 0.3 ohms *Leakage Inductance Impedance @ 1 MHz 0.2 KΩ Impedance @ 5 MHz 0.9 KΩ Impedance @ 10 MHz 1.2 KΩ Impedance @20 MHz 2.0 KΩ Isolation (HI-POT) 500 VRMS Flammability: Materials used in the production of these units are UL94-VO and meet requirements of IEC 695-2-2 needle flame test. *TEST CONDITIONS: Oscillation Voltage = 100mV Oscillation Frequency = 100.0 KHz Inductance measured on 1 winding. PHYSICAL DIMENSIONS inches (mm) RHOMBUS P/N: F-1452 CUST P/N: DATE: 11/30/96 Rhombus Industries Inc. Transformers & Magnetic Products www.rhombus-ind.com NAME: SHEET: 1 OF 1 15801 Chemical Lane, Huntington Beach, CA 92649-1595 Phone: (714) 898-0960 FAX: (714) 896-0971 Z (Ω) 3.0K 2.8K 2.6K 2.4K 2.2K 2.0K 1.8K 1.6K 1.4K 1.2K 1.0K 800 600 400 200 0 1 2 4 6 8 10 20 40 60 100 Frequency ( MHz ) 0 5 Attenuation ( dB ) 10 15 20 25 30 35 1 2 4 6 8 10 20 40 60 100 Frequency ( MHz ) 100Ω System RHOMBUS P/N: CUST P/N: DATE: 07/16/98 Rhombus Industries Inc. Transformers & Magnetic Products www.rhombus-ind.com F-1452 NAME: SHEET: 15801 Chemical Lane, Huntington Beach, CA 92649-1595 Phone: (714) 898-0960 FAX: (714) 896-0971