This part is a kind of semiconductor called STK082G.

Function of this product has (STKxxxG) THICK FILM HYBRID IC.

Manufacturers : ETC

Image and pinout :

Some of the text within the PDF file :

Features I O IMST,1 Channel by 2 PowerSupplies. r AF output power STK-075G:15W min., STK0 7 7 G : 2 0 W m i n . ,S T K - 0 7 8 G2 : 4 W m i n . ,S T K 080G: 30W min., STK-082G:35W min., STK083G: 40W mih. MAXIMUM RATINGSI Ta=25" C r r Low distortion. Stable evenat hightemperature range. MaximumSupplyVoltage OperatingCase Temperatu re StorageTemperature V66 max Tg Tstg STK- STK. STK- STK- STK075G 077G 078c o80G og2c t28 r33 135 140 143 -+ -+ -+ -+ -+ -) -+ -+ -> STK. 083c !46 unit V 0C oC sec -+ -+ -) -+ AllowableLoadShorting t5 Time (in appointed condition) 105 -+ -30 to +10b -+ 2 RECOMMENDED OPERATION coNDITIoN/ Ta=25"c STK- STK- STK. STK- STK- STK075G 077G 078G 080G 082c 0 g 3 G Recommended SupplyVoltage V96 !20 !23 !25 !27.5 r30 !32 Load Resistance R1 --) -> --) -+ -+ unrt V [ ... ]

STK082G PDF Datasheet Download