This part is a kind of semiconductor called UTC7266.

Function of this product has 7+7W DUAL BRIDGE AMPLIFIER.

Manufacturers : YOUWANG ELECTRONICS

Image and pinout :

Some of the text within the PDF file :

UTC7266 7+7W DUAL BRIDGE AMPLIFIER DESCRIPTION LINEAR INTEGRATED CIRCUIT The UTC7266 is a 7+7W dual bridge amplifier specially designed for TV and Portable Radio applications. FEATURES Wide supply voltage range (3 Minimum external components - No SWR capacitor - No bootstrap - No boucherot cells STAND-BY & MUTE functions Short circuit protection Thermal overload protection 18V) BLOCK DIAGRAM YOUWANG ELECTRONICS CO.LTD 1 2010.03.02 V1.0 UTC7266 ABSOLUTE MAXIMUM RATINGS PARAMETER Supply Voltage Output Peak Current (internally limited) Power Dissipation (TCase =70 Operating Temperature Storage Temperature ) LINEAR INTEGRATED CIRCUIT SYMBOL Vs IO Ptot Top TSTG 0 -40 RATINGS 20 2 33 +70 +150 UNIT V A W THERMAL DATA PARAMETER Thermal Resistance Junction to Case SYMBOL Rth j-case RATINGS [ ... ]

UTC7266 PDF Datasheet Download