This part is a kind of semiconductor called CJ7805F.

Function of this product has Three-terminal positive voltage regulator.

Manufacturers : Jiangsu Changjiang Electronics Technology

Image and pinout :

Some of the text within the PDF file :

JIANGSU CHANGJIANG ELECTRONICS TECHNOLOGY CO., LTD TO-220F Plastic-Encapsulate Transistors CJ7805F Three-terminal positive voltage regulator FEATURES Maximum Output current IOM: 1.5 A Output voltage Vo: 5V TO 1.IN 220F 123 2.GND 3.OUT 123 ABSOLUTE MAXIMUM RATINGS Parameter Input Voltage Operating temperature range applies unless otherwise specified Symbol Vi TOPR TSTG Value 35 0 +125 -55 +150 Unit V Operating Junction Temperature Range Storage Temperature Range ELECTRICAL Parameter CHARACTERISTICS(Vi=10V,Io=500mA,0

CJ7805F PDF Datasheet Download