This part is a kind of semiconductor called H9012.

Function of this product has PNP Silicon Transistor.

Manufacturers : Shantou Huashan

Image and pinout :

Some of the text within the PDF file :

P N P S I L I C O N T RAN S I S T O R Shantou Huashan Electronic Devices Co.,Ltd. H9012 █ 1W OUTPUT AMPLIFIER OF POTABLE RADIOS IN CLASS B PUSH-PULL OPERATION. █ ABSOLUTE MAXIMUM RATINGS（Ta=25℃） T stg Storage Temperature ………………………… -55~150 ℃ T j Junction Temperature ………………………………… 150 ℃ PCCollector Dissipation…………………………………625mW VCBOCollector-Base Voltage………………………………-40V VCEOCollector-Emitter Voltage……………………………-20V V EBO Emitter-Base Voltage ……………………………… -5V I C Collector Current…………………………………… -500mA TO-92 1―Emitter，E 2―Base，B 3―C [ ... ]

H9012 PDF Datasheet Download