STK4050 PDF datasheet can download.
This product has AF Power Amplifier (Split Power Supply) (200W min / THD = 0.4%) functions.
This is one of the semiconductor types. This part name is STK4050.
Manufacturers of the product is Sanyo.
Image and pinout :
Some of the text files within the PDF file
Ordering number: EN 4807A Thick Film Hybrid IC STK4050II AF Power Ampliﬁer (Split Power Supply) (200W min, THD = 0.4%) Features • Compact package for thin-type audio sets • Member of pin-compatible series with outputs of 20 to 200W • Easy heatsink design to disperse heat generated in thintype stereo sets • Constant-current circuit to reduce supply switch-on and switch-off shock noise • External supply switch-on and switch-off shock noise muting, load short-circuit protection, thermal shutdown and other circuits can be tailored-designed. Package Dimensions unit: mm 4051A [STK4050II] Speciﬁcations Maximum Ratings at Ta = 25°C Parameter Maximum supply voltage Thermal resistance Junction temperature Operating substrate temperature Storage temperature Symbol VCC max θj-c Tj Tc Tstg Conditions Ratings ±95 0.95 150 125 −30 to +125 Unit V °C/W °C °C °C Recommended Operating Conditions at Ta = 25°C Parameter Recommended supply voltage Load resistance Symbol VCC RL [ … ]
Please refer to the file for details.