ISDN S Interface Common Mode Choke High Frequency Designed for 4-Wire Links ISDN S / T1 Turns Ratio ( + 1% ) 1:1:1:1 For EMI Reduction - Filters Common Mode Noise PARAMETER 1 MIN. MAX. µHy 24 Open Circuit Inductance UNITS Leakage Inductance Interwinding Capacitance (CW/W) DC Resistance (any winding) 0.20 µHy 15 pF 0.30 ohms Impedance @10 MHz 0.9 kΩ Impedance @30 MHz 1.6 KΩ Impedance @70 MHz 1.15 KΩ Impedance @100 MHz 0.80 KΩ Isolation (HI-POT) 500 VRMS 500 VRMS Minimum Isolation Between Windings Frequencies 100 kHz to 200MHz Flammability: Materials used in the production of these units are UL94-VO and meet requirements of IEC 695-2-2 needle flame test. SCHEMATIC DIAGRAM 1 TEST CONDITIONS: Oscillation Voltage = 700mV Oscillation Frequency = 10.0 KHz Inductance measured on 1 winding. PHYSICAL DIMENSIONS inches (mm) RHOMBUS P/N: F-1600 CUST P/N: DATE: 11/1/96 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