This post explains for the semiconductor IT8518E.
The Part Number is IT8518E.
The function of this semiconductor is Programmable DC Electronic Load series Manual.
Manufacturers : ETC, ITECH
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This manual describes the operation of the IT8500 series electronic loads. Unless otherwise noted,all units will be referred to by the description “electronic load” throughout this User’s manual. The following documents and software are shipped with your electronic load. This User’s Guide (this document), contains installation, checkout, front panel information and detailed programming information.
The Getting Started Map will help you find the information you need to complete the specific task thatyou want to accomplish. Refer to the table of contents or index of each guide for a complete list of the information contained within.