This part is a kind of semiconductor called KC237.
Function of this product has Coated AbrasivesMaterial Safety.
Manufacturers : ETC
Image and pinout :
Some of the text within the PDF file :
Material Safety Data Sheets (MSDS) 1. CHEMICAL PRODUCT AND COMPANY IDENTIFICATION a. Product name b. Name of manufacture c. Writer of section d. Writer of name e. Charge of section f. Address : Coated Abrasives(JC122, KC237) : KOREA ABRASIVE IND.CO.,LTD. : Research and Development part : MO SE WOONG : General affairs section : 290 GAJWA -4 DONG SEO-KU, INCHEON, KOREA. SEO-INCHEON P.O. Box 25, INCHEON, KOREA. h. Telephone number i. Fax number j. Revision Date k. Revision No : 82-32-580-4300~8 : 82-32-580-4310 : FEB, 1, 2005 :2 2. COMPOSITION AND INFORMATION ON INGREDIENTS a. Classification b. Chemical name c. Synonym : Mixture : N/A : N/A d. Ingredients and composition Ingredients Resin JC122 KC237 Abrasives JC122 KC237 JC122 KC237 JC122 KC237 JC122 KC237 Sic Composition Phenol Resin Com [ ... ]