This part is a kind of semiconductor called IT8518.

Function of this product has Programmable DC Electronic Load series Manual.

Manufacturers : ETC

Image and pinout :

Some of the text within the PDF file :

用戶使用手冊 直流可編程電子負載 型號 IT8518 系列 IT8518B/IT8518C/ IT8518E/IT8518F 1 http:// This Manual: http://www.manuallib.com/file/140 第一章快速入門 6 1.1 開機自檢 ... .. 6 1.1.1 介紹 ... .. 6 1.1.2 自檢步驟 . [ ... ]

IT8518 PDF Datasheet Download