This part is a kind of semiconductor called ETL-XPC-204.

Function of this product has COPPER CLAD PAPER PHENOLIC LAMINATE.

Manufacturers : ETERNAL CHEMICAL

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Some of the text within the PDF file :

ETERNAL CHEMICAL CO., LTD. CCL Division FR-1纸质酚醛树脂铜箔积层板 COPPER CLAD PAPER PHENOLIC LAMINATE ETL-XPC-204 (N TYPE) ■特性 FEATURE  ●尺寸变化、弯曲度小  ●优越之电气火灾安全性  ●高耐漏电性(CTI)性能  (CTI 600性能需提出要求)  ●符合UL 746E规范,RoHS要求  ●Dimensional change and warpage are small.  ●Electrical fire safety is excellent.  ●High CTI(Comparative Tracking Index) value.  (Asking first when CTI 600 needed.)  ●Meet UL 746E and conform to the request of RoHS. ■性能表 PERFORMANCE LIST 试验项目 单位 Test Item Unit 绝缘阻抗 Insulation Resistivity Ω 介电常数(1MHz) Dielectirc Constant ─ 散发因子(1MHz) Dissipation Factor 弯曲强度 Flexural Streng [ ... ]

ETL-XPC-204 PDF Datasheet Download