350W PUSH PULL TRANSFORMER Turns Ratio ( + 2% ) Materials used in construction of this component meet or exceed UL Class B and can be operated up to 1300 C 1:3 Operation Frequency : 50kHz PARAMETER TYP. MIN. MAX. UNITS Open Circuit Inductance 1 310 µH DC Resistance (1-2) or (4-5) 5.8 mΩ DC Resistance (10-9) or (7-6) 18.0 mΩ Isolation (HI-POT) 1-4 to 5-8 2500 VIN : 10 to 31.5 Volts Duty Cycle : 20 to 80% VRMS SCHEMATIC DIAGRAM 1. Tested at 100mVRMS & 50 KHz, (Pins 1-5, shorted 2,4) PHYSICAL DIMENSIONS in inches (mm) 1 10 2 9 PRI 2.35 (59.70) .54 (13.7) SEC 4 7 5 6 To create a Center Tap on Primary short pins: 2&4 1.43 (36.3) To create a Center Tap on Secondary short pins: 9&7 1.60 (40.6) 1 2 4 5 0.33 (8.38) 2.20 (55.8) 2.00 (50.8) 10 9 7 6 2.10 (53.3) Rhombus Industries Inc. Transformers & Magnetic Products RHOMBUS P/N: T-1128 CUST P/N: DATE: 9/03/98 FSCM No. 16714 NAME: SHEET: 1 of 1 15801 Chemical Lane, Huntington Beach, CA 92649 Phone: (714) 898-0960 FAX: (714) 896-0971