Industrial-grade step-down filament power transformer conforming to standard EIA RS-174 requirements, features a 117-volt AC primary input rating at 60 Hz, delivers a 12.6-volt center-tapped (12.6V CT) secondary output rating at a continuous 1.0-ampere current load threshold, 1500-volt AC dielectric isolation breakdown safety rating, rugged dual-flange bracket chassis mounting frame design equipped with solder terminal lugs or insulated wire paths, engineered to drive dual-filament heater configurations or low-voltage control logic networks. Unit Sourcing Compatibility: This component came out of industrial control instrumentation, multi-band radio transceiver chassis, and legacy audio distribution decks. Exact Industry Equals: Thordarson 26F72 and Stancor P-8384. [1]