RADSL Transformer Reinforced Insulation Per EN 41003/EN 60950 Turns Ratio ( + 3 % ) 1:1 PARAMETER MIN. MAX. UNITS Primary Inductance(1) 350 465 µH Leakage Inductance(1) 10 µH Interwinding Capacitance(1) 25 pF 0.25 ohms 0.3 ohms Schematic Diagram Pins 1-4 with 2 & 4 shorted. P ri Primary DC Resistance Sec Pins 1-3 or 2-4 Secondary DC Resistance Pins 10-8, or 9-7 Isolation (Hi-Pot) 3000 VRMS DC Bias Insertion Loss 40 kHz to 1.5 MHz Insertion Loss 30 kHz to 2.0 MHz Longitudinal Balance 20 KHz to 1 MHZ THD THD -60 dB Nom. -85 dB Nom. 2 mA 0.5 3 dB dB -60 This part is available in Surface Mount. Add Suffix "G" to part number. dB Physical Dimensions 45 Vp-p @ 1.5 MHz 15 Vp-p @ 100 KHz inches (mm) 1. Tested at 100 KHz & 100 mV Unused Pins Omitted RHOMBUS P/N: T-890G CUST P/N: DATE: 2/3/97 Rhombus Industries Inc. Transformers & Magnetic Products FSCM No. 16714 NAME: GLOBESPAN SHEET: 1 of 1 15801 Chemical Lane, Huntington Beach, CA 92649 Phone: (714) 898-0960 FAX: (714) 896-0971