Pulse Transformer Turns Ratio ( + 5% ) 1.0 : 1.0 Parameter Min. Max. Units Open Circuit Inductance Oscillation Voltage = 1V Oscillation Frequency = 100 KHz 701 949 µH *Interwinding Capacitance (CW/W) Oscillation Frequency = 100 KHz 20 pF Primary & Secondary DC Resistance 1.0 ohms Leakage Inductance 9.5 µH Isolation (HI-POT) Schematic Diagram Pri. 1000 Pin3 is Shield VRMS Operating temperature range: -550 C to 1250 C Operating Frequency: 400 KHz * With Shield Connected Physical Dimensions in inches (mm) "T" Package Thru-hole P/N T-821 Surface Mount Package P/N T-822 Rhombus Industries Inc. Transformers & Magnetic Products RHOMBUS P/N: T-821 and T-822 (SMD version) CUST P/N: DATE: 11/16/96 1 of 1 NAME: SHEET: 15801 Chemical Lane, Huntington Beach, CA 92649 Phone: (714) 898-0960 FAX: (714) 896-0971 www.rhombus-ind.com