Multi-Purpose Voice & Data Coupling Transformers Impedance matching transformers for telecommunications. Isolation is 1500 VRMS minimum Longitudinal Balance is 60dB minimum Frequency range: 300Hz to 3400Hz Designed to meet FCC part 68 Custom Designs Available Ideal for a variety of voice and data interconnect networks Dry / Economy Electrical Specifications at 25OC UNBAL. Insertion Frequency Response DC Loss (1) (mA) (dB) (dB) Part Number Impedance (Ohms) T-30600 T-30601 T-30602 T-30603 T-30604 T-30605 T-30606 600 / 600 600 / 600CT 600CT / 600CT 600 / 900 600 / 900CT 900 / 900 900 / 900CT 0.0 0.0 0.0 0.0 0.0 0.0 0.0 2.0 2.0 2.0 2.0 2.0 2.0 2.0 T-31300 T-31301 T-31302 T-31303 T-31304 600 / 600 600 / 600CT 600CT / 600CT 600 / 900 900 / 900 0.0 0.0 0.0 0.0 0.0 1.0 1.0 1.0 1.0 1.0 Dry / High Performance Part Number Impedance (Ohms) T-31350 T-31351 T-31352 T-31353 T-31354 600 / 600 600 / 600CT 600CT / 600CT 600 / 900 900 / 900 Return Loss (2) (dB) Pri. DCR max. (Ω) Sec. DCR max. (Ω) Schem. Style 0.5 0.5 0.5 0.5 0.5 0.5 0.5 26 26 26 26 26 26 26 65 65 65 65 65 85 85 85 85 85 105 105 105 105 A B C A B A B 0.5 0.5 0.5 1.0 1.0 20 20 20 20 20 25 25 25 25 35 35 35 35 40 40 A B C A A Return Loss (2) (dB) Pri. DCR max. (Ω) Sec. DCR max. (Ω) Schem. Style 20 20 20 20 20 25 25 25 25 30 35 35 35 40 40 A B C A A Electrical Specifications at 25OC UNBAL. Insertion Frequency Response DC Loss (1) (mA) (dB) (dB) 0.0 0.0 0.0 0.0 0.0 1. Insertion Loss measured at 1 KHz 2. Return Loss measured at 300 Hz 0.85 0.85 0.85 0.85 0.85 0.25 0.25 0.25 0.25 0.25 Schematic "A" 1 6 PRI 1 4 1 9 2 8 3 7 4 6 5 SEC. 5 2 5 4 3 4 1.20 (30.5) .780 (19.8) .470 (11.9) .150 (3.81) TYP. 1.00 (25.4) MAX. 1.05 (26.7) MAX. .025 (0.64) DIA. Specifications subject to change without notice. .200 (5.08) TYP. .800 (20.32) .200 (5.08) TYP. .400 (10.16) MAX. Dimensions in Inches (mm) Unused Pins Omitted as Per Schematic Rhombus Industries Inc. 6 PRI T-313XX Package per Table Above Pins 020 x .027 (0.51 x 0.69) 10 1 SEC. 3 T-3060X Package per Table Above .580 (14.7) 6 PRI SEC. 3 Schematic "C" Schematic "B" 1 6 2 5 3 4 For other values & Custom Designs, contact factory. 8 COUPLN56 - 11/98 15801 Chemical Lane, Huntington Beach, CA 92649-1595 Tel: (714) 898-0960 • Fax: (714) 896-0971