T-31103

Modem Coupling & Voiceband Transformers Low Distortion Low Profile /SMD Versions Most Parts Listed are Suitable for V.32 Applications Electrical Specifications at 25OC Parameter Impedance R Load Turns Ratio Direct Current in Pri. (DCI) DC Resistance PRI. SEC. + 2% maximum PRI. SEC. max., ref. 1 kHz min., 300 Hz to 3.5 kHz minimum T-33000 600 487 1:1 0 67 + 10% 85 + 10% 1.5 25 60 60Hz - 1kHz + 0.5 -60 1250 A 3 2 Schematic "A" 8 1 Schematic "C" 5 PRI SEC. PRI SEC. 5 4 8 T-843 600 600 1:1 0 55 + 10% 43 + 10% 1.0 20 -- Units Ω Ω mA Ω Ω dB dB dB Insertion Loss Return Loss Longitudinal Balance Frequency Response Total Harmonic Distortion Isolation Schematic Style 300 Hz to 3.5 kHz typ. 600 Hz, -10 dBm minimum + 0.7 -150 C dB dB VRMS Package for T-33000 & T-843 .410 (10.4) 1 .248 (6.30) .012 (0.3) Footprint Contact Surface Area, Not PCB Pad Layout 8 .080 (2.0) TYP. .024 (0.6) TYP. .080 (2.0) .022 (0.55) .394 (10.0) 4 .453 (11.50) 5 .024 (0.6) TYP. Dimensions in Inches (mm) Specifications subject to change without notice. For other values & Custom Designs, contact factory. COUPLING - 9/98 Rhombus Industries Inc. 4 15801 Chemical Lane, Huntington Beach, CA 92649-1595 Tel: (714) 898-0960 • Fax: (714) 896-0971 Modem Coupling & Voiceband Transformers Electrical Specifications at 25OC Parameter Impedance R Load Turns Ratio Direct Current in Pri. (DCI) DC Resistance PRI. SEC. + 2% maximum PRI. SEC. max., ref. 1 kHz min., 300 Hz to 3.5 kHz minimum Low Distortion Low Profile /SMD Versions Most Parts Listed are Suitable for V.32 Applications T-531 600 470 1:1 0 68 max. 102 max. 1.2 30 60 200Hz - 4kHz +0.25 1100 D mA Ω Ω dB dB dB 1 T-31103 600 365 1:1 0 118 + 10% 118 + 10% 2.15 25 60 200Hz - 1kHz +0.25 1100 B Units Ω Ω 1 Schematic "B" 10 PRI SEC. 5 6 Insertion Loss Return Loss Longitudinal Balance Schematic "D" 6 PRI dB VRMS 2 3 SEC. 5 4 Frequency Response Isolation Schematic Style 300 Hz to 3.5 kHz minimum Package for T-31103 .575 (14.6) .100 (2.5) TYP. Footprint Contact Surface Area, Not PCB Pad Layout .290 (7.37) .012 (0.30) .032 (0.8) TYP. .100 (2.5) .606 (15.4) .028 (0.7) .630 (16.0) .028 (0.7) TYP. .465 (11.81) MAX. .375 (9.53) MAX. Dimensions in Inches (mm) EP7 Style Thru-hole .394 (10.00) MAX. .370 (9.40) MAX. Package for T-531SM .375 (9.53) MAX. .375 (9.53) MAX. .025 (0.64) .34 (8.6) .098 (2.50) .028 (0.70) .505 (12.83) .490 (12.45) .110 (2.79) MIN. .098 (2.49) .080 (2.03) EP7 Style Surface Mount .039 (0.99) .024 (0.61) 4 6 5 Bottom View 1 2 3 Package for T-531 Specifications subject to change without notice. For other values & Custom Designs, contact factory. COUPLING - 9/98 Rhombus Industries Inc. 5 15801 Chemical Lane, Huntington Beach, CA 92649-1595 Tel: (714) 898-0960 • Fax: (714) 896-0971