View stk4050v datasheet:

Ordering number : EN4592A Thick Film Hybrid IC STK4050V AF Power Amplifier (Split Power Supply) (200 W min, THD = 0.08%) Features Package Dimensions • Compact packaging supports slimmer set designs unit: mm • Series designed from 20 up to 100 W (200 W) and pin- 4051A compatibility (120 to 200 W have 18 pins) [STK4050V] • Simpler heat sink design facilitates thermal design of slim stereo sets • Current mirror circuit application reduce distortion to 0.08 % • Supports addition of electronic circuits for thermal shutdown and load-short protection circuit as well as pop noise muting which occurs when the power supply switch is turned on and off. Specifications Maximum Ratings at Ta = 25°C Parameter Symbol Condition Rating Unit Maximum supply voltage VCC max ±95 V Thermal