First line: transformer specification Transformer ISDN T1/E1 TRANSFORMER P/N: S5351A DATA SHEET General Specifications Used widely -accepted case packaging Models available with most E1/T1 transformer chips Electrical Specifications@ Turns Ratio: 1:2CT 0.50 Cw/w Pri. 0.70 Sec. Primary Pins HI-POT 1500 Vrms ScheAbstract: .. P/N: S5351A DATA SHEET. A. General Specifications : 1. Used the widely -accepted “T” case packaging. 2. Models available for use with most E1/T1 transformer chips. B. Electrical Specifications .. Tags: transformer specificationtransformert1/transformer specificationT1 PackagingS5351A