This part is a kind of semiconductor called TDA9302H.

Function of this product has VERTICAL DEFLECTION OUTPUT CIRCUIT.

Manufacturers : ST Microelectronics

Image and pinout :

Some of the text within the PDF file :

TDA9302H VERTICAL DEFLECTION OUTPUT CIRCUIT . . . POWER AMPLIFIER FLYBACK GENERATOR THERMAL PROTECTION DESCRIPTION The TDA9302H is a monolithic integrated circuit in HEPTAWATTTM package. It is a high efficiency power booster for direct driving of vertical windings of TV yokes. It is intended for use in Color and B & W television as well as in monitors and displays. PIN CONNECTIONS (top view) 7 6 5 4 3 2 1 NON-INVERTING INPUT OUTPUT STAGE SUPPLY OUTPUT GROUND FLYBACK GENERATOR SUPPLY VOLTAGE INVERTING INPUT HEPTAWATT (Plastic Package) ORDER CODE : TDA9302H Tab connected to Pin 4 BLOCK DIAGRAM +VS 2 6 3 Flyback Generator 1 Power Amplifier 5 7 Thermal Protection YOKE TDA9302H 4 August 1992 1/5 9302H-02.EPS 9302H-01.EPS TDA9302H ABSOLUTE MAXIMUM RATINGS AT TA = 25oC Symbol [ ... ]

TDA9302H PDF Datasheet Download