SCR Trigger & Control Transformer Turns Ratio ( + 5 % ) 2 : 1 : 1 (1-2) : (3-4) : (5-6) PARAMETER Inductance Pins 1-2 MIN 1 MAX UNITS 0.2 Leakage Inductance 2 22 µH Capacitance (CW/W) 3 34 pF E-T Product 290 V - µs Primary DC Resistance 1.4 ohms Secondary DC Resistance 1.0 ohms Hi-pot Schematic Diagram mH 2400 VRMS 1. Tested at 20 kHz and 100 mV. 2. Tested at 50 kHz and 100 mV, Pins 1-2, With 3,4,5, and 6, Shorted. 3. Tested at 50 kHz and 100 mV. PHYSICAL DIMENSIONS inches (mm) .800 (20.32) MAX. .500 (12.70) .500 (12.70) MIN. .300 T-20021 (7.62) .940 (23.87) MAX. TYP. 9908 # 20 AWG Solderable Leads .775 (19.68) MAX. RHOMBUS P/N: T-20021 CUST P/N: DATE: 1/25/01 Rhombus Industries Inc. Transformers & Magnetic Products NAME: SHEET: 1 of 1 15801 Chemical Lane, Huntington Beach, CA 92649 Phone: (714) 898-0960 FAX: (714) 896-0971 www.rhombus-ind.com