T-10247 & T10347 SCHEMATIC Digital Audio PRI. Data Transmission Transformers PRI. SEC. 2 4 1 Electrical Specifications at 25OC "T6" Package P/N Parameter SMD Package P/N Turns Ratio T-10247 (2) T-10347 3 T-10252 (3) T-10352 1:1 + 5% 1CT:1CT + 5% Units Inductance 100 kHz & 0.1VRMS 2.5 + 20% 5.0 + 30% mH Leakage Inductance 100 kHz & 0.1VRMS 0.5 max. 1.2 max. µH Rise Time 25 max. 25 max. nS DC Resistance 0.7 max. 1.0 max. Ω Isolation (HI-POT) 2000 min. 2000 min. VRMS 20 25 VµS Common Mode Rejection (1) 70 min. 70 typ. dB Return Loss 15 min. ET Product 100Hz to 100kHz 15 typ. -40 to +85 Operating Temperature Range 0 0 SEC. 5 6 3 4 1 2 These Transformers provide excellent DC isolation and common mode noise rejection Designed to improve and maintain the balance of the transmitter and receiver circuitry. Designed for low cost. High voltage isolation Available in Surface Mount Versions Custom Designs and Variations of these transformers available dB 0 to +70 0 T-10252 & T-10352 SCHEMATIC 0 C 0 1. @ 1MHz in 100Ω System 2. T-10247: For Use with Crystal Semiconductor's Flammability: Materials used in the production of these units meet requirements of UL94-VO & IEC 695-2-2 needle flame test. integrated circuits CS8401, CS8402. For Surface Mount Version Order Part Number T-10347 3. T-10252: For Use with Echelon Neuron integrated circuits 3120 and 3150 Chips produced by Motorola and Toshiba. For Surface Mount Version Order Part Number T-10352 Parts shipped in anti-static tubes. 50 pieces per tube Physical Dimensions in inches (mm) (Unused Pins Omitted) Surface Mount Package "T6" Package T-10347& T-10352 T-10247 & T-10252 .350 (8.89) .500 (12.70) MAX. MAX. Tape & Reel Available .410 (10.41) .410 (10.41) MAX. MAX. .250 (6.35) MAX. .120 (3.05) MIN. .100 (2.54) TYP. .020 DIA. (0.51) .260 (6.60) .080 (2.03) MAX. .300 (7.62) MAX. .340 (8.64) .400 (10.16) .020 (0.51) .100 (2.54) TYP. TYP. .010 (0.25) TYP. .040 (1.02) TYP. .510 (12.95) .480 (12.19) TYP. For Complete Details including PDF Catalogs & Data Sheets on this and other product families visit www.rhombus-ind.com Specifications subject to change without notice. Rhombus Industries Inc. For other values & Custom Designs, contact factory. 34 DIGAUDIO - 2/98 15801 Chemical Lane, Huntington Beach, CA 92649-1595 Tel: (714) 898-0960 • Fax: (714) 896-0971