This part is a kind of semiconductor called CJ7805.

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

Manufacturers : Jiangsu Changjiang Electronics Technology

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Some of the text within the PDF file :

JIANGSU CHANGJIANG ELECTRONICS TECHNOLOGY CO., LTD TO-251/TO-252-2L Plastic-Encapsulate Transistors 6. 50¡ À 0 . 10 2. 30¡ À 0 . 05 0. 51¡ À 0 . 03 CJ7805 Three-terminal positive voltage regulator FEATURES Maximum Output current IOM: 1.5 A Output voltage Vo: 5V 14. 70 5¡ ã 5¡ ã 0. 80¡ À 0 . 05 0. 60¡ À 0 . 05 7. 70 1.IN 2.GND 3.OUT 2. 30¡ À 0 . 05 2. 30¡ À 0 . 05 1. 20 0. 51¡ À 0 . 03 123 6. 50¡ À 0. 15 5. 30¡ À 0. 10 0. 51¡ À 0. 05 2. 30¡ À 0. 10 0. 10 5. 50¡ À TO-251 TO-252-2 5. 30¡ À 0 . 05 5¡ ã 5¡ ã 1. 20 À. 20 9. 70¡ 0 À. 10 0. 75¡ 0 0. 51¡ À 0. 10 0¡ 0 «. 10 5¡ ã 0. 80¡ À 0. 10 5¡ ã 0. 15 1. 60¡ À 2. 30¡ À 0. 10 0. 51 123 ABSOLUTE MAXIMUM RATINGS (Operating temperature range applies un [ ... ]

CJ7805 PDF Datasheet Download