High Isolation Multi-Purpose Audio Transformers Ideal for a variety of Voice and Data interconnect network applications ) 3000 VRMS minimum Isolation ) Longitudinal Balance is 60dB minimum Schematic "A" ) Frequency range: 300Hz to 3400Hz ) Designed to meet FCC part 68 1 PRI component meet or exceed UL Class B and can operate up to 130 oC Part Number Impedance (Ohms) T-30700 600 / 600 3 6 1.5 3 4 0.3 Schematic "C" 1 SEC. SEC. Electrical Specifications at 25OC UNBAL. Insertion Frequency DC Loss (1) Response (mA) (dB) (dB) 0.0 1 6 PRI ) Materials used in construction of this Dry / High Performance Schematic "B" 6 PRI SEC. 5 2 5 4 3 4 Return Loss (2) (dB) Pri. DCR max. (Ω) Sec. DCR max. (Ω) Schem. Style 20 45 45 A T-30701 600 / 600CT 0.0 1.5 0.3 20 45 45 B T-30702 600CT / 600CT 0.0 1.5 0.3 20 45 45 C T-30703 600 / 900 0.0 1.5 0.5 20 45 55 A T-30704 900 / 900 0.0 1.5 0.5 20 55 55 A Return Loss (2) (dB) Pri. DCR max. (Ω) Sec. DCR max. (Ω) Schem. Style A Dry / Economy Part Number Impedance (Ohms) Electrical Specifications at 25OC UNBAL. Insertion Frequency DC Loss (1) Response (mA) (dB) (dB) T-30750 600 / 600 0.0 1.7 0.5 20 45 45 T-30751 600 / 600CT 0.0 1.7 0.5 20 45 45 B T-30752 600CT / 600CT 0.0 1.7 0.5 20 45 45 C T-30753 600 / 900 0.0 1.7 0.7 20 45 55 A T-30754 900 / 900 0.0 1.7 0.7 20 55 55 A 1. Insertion Loss measured at 1 KHz 2. Return Loss measured at 300 Hz .650 (16.51) .650 (16.51) .475 (12.07) MAX. Dimensions in Inches (mm) Unused Pins Omitted as Per Schematic .148 (3.75) TYP. .025 (0.64) TYP. 1 2 .492 (12.50) 3 Bottom View 6 Specifications subject to change without notice. Rhombus Industries Inc. 5 4 For other values & Custom Designs, contact factory. 10 EE16 - 10/98 15801 Chemical Lane, Huntington Beach, CA 92649-1595 Tel: (714) 898-0960 • Fax: (714) 896-0971