Miniature Multi-Purpose Audio Transformers Isolation is 1500 VRMS minimum Longitudinal Balance is 60dB minimum Frequency range: 300Hz to 3400Hz Designed to meet FCC part 68 Custom Designs Available Impedance matching transformers for telecommunications. Ideal for a variety of voice and data interconnect networks Dry / High Performance Part Number Impedance (Ohms) Electrical Specifications at 25OC UNBAL. Insertion Frequency DC Loss Response (mA) (dB) (dB) Return Loss (dB) Pri. DCR max. (Ω) Sec. DCR max. (Ω) Schem. Style T-35200 600 / 600 0.0 1.5 0.7 26 48 65 A T-35201 600 / 600CT 0.0 1.5 0.7 26 48 65 B T-35202 600CT / 600CT 0.0 1.5 0.7 26 48 65 C T-35203 600 / 900 0.0 1.7 0.3 20 48 94 A T-35204 900 / 900 0.0 1.9 0.4 20 114 146 A Return Loss (dB) Pri. DCR max. (Ω) Sec. DCR max. (Ω) Schem. Style Dry / Economy Part Number Impedance (Ohms) Electrical Specifications at 25OC UNBAL. Insertion Frequency DC Loss Response (mA) (dB) (dB) T-35250 600 / 600 0.0 1.5 1.2 26 50 55 A T-35251 600 / 600CT 0.0 1.5 1.2 26 50 55 B T-35252 600 / 900 0.0 1.6 1.2 20 50 95 A T-35253 900 / 900 0.0 1.6 1.2 20 75 95 A T-35254 600 / 600 80 2.5 1.25 9.0 68 85 A 80 2.5 1.25 9.0 68 85 B T-35255 600 / 600CT 1. Insertion Loss measured at 1 kHz. 2. Return Loss measured at 300 Hz. Schematic "A" 1 Dimensions in Inches (mm) Unused Pins Omitted as Per Schematic 6 PRI SEC. 3 .455 (11.6) .515 (13.1) 4 .500 (12.7) Schematic "B" 1 6 PRI SEC. .024 (0.61) 5 3 .024 (0.61) 4 Schematic "C" 1 PRI 6 5 .187 (4.75) TYP. .320 (8.13) 4 Bottom View 6 SEC. 2 5 3 4 Specifications subject to change without notice. Rhombus Industries Inc. .100 (2.54) TYP. 1 2 3 For other values & Custom Designs, contact factory. 12 MINIAUD2 - 10/98 15801 Chemical Lane, Huntington Beach, CA 92649-1595 Tel: (714) 898-0960 • Fax: (714) 896-0971