PARAMETER UNITS Turns Ratio AUDIO Transformer 600Ω Part Number T-843 1:1 + 15% Ω Ω Primary DC Resistance (1-4) 55 +10% Ω Secondary DC Resistance (5-8) 43 +10% Ω Inductance (1-4) @1KHz, 0.1 Vrms 320 Min mH 1 Max dB 10 Min 15 Min 18 Min dB dB dB Impedance @1 KHz -1 Vrms pin 5-8 600 pin 1-4 600 1 Insertion Loss @ 1KHz - 1Vrms Return loss pins 5-8 With 600 Ω load @ 300 Hz @1 KHz @ 3400 Hz Isolation (HI-POT) 1-5 (@ 1500 VAC, 1mA, minute) 1500 Schematic Diagram PRI SEC VAC FREQUENCY RESPONSE 1 Pins 5-8 with 600Ω load Response ( dB ) 1.5 1.0 0.5 -0.0 -0.5 -1.0 -1.5 -2.0 600 Physical Dimensions in inches (mm) 1000 Frequency ( Hz ) 4000 .410 (10.4) .080 (2.0) TYP. .024 (0.6) TYP. Notch or white dot on bobbin indicates pin #1 Rhombus Industries Inc. Transformers & Magnetic Products www.rhombus-ind.com .024 (0.6) TYP. 11/2/00 15801 Chemical Lane, Huntington Beach, CA 92649 Phone: (714) 898-0960 FAX: (714) 896-0971