TR-164

Audio Interstage Transformer, 20,000Ω Primary to 800Ω CT Secondary, 150mW Power Rating, Class 105°C (Insulation Class A) Thermal Rating, Printed Circuit Board Pin Footprint | High-impedance matching transformer optimized for stable interstage voltage gain steps, featuring vacuum-varnished copper wire structures rated to +105°C to block humidity degradation in high-gain analog mixing boards | Industry Exact Equivalents: Thordarson TR-164, Triad Magnetics SP-70, Stancor TA-5, Microtran M8054