This document describes the electrical specifications and features of the Sumlink ST-85540 1CT:1 model. The product is a single and dual transformer module for ITU G.703 codirectional interface, providing a minimum isolation of 1500 Vrms. It features a 64 KBPS interface transformer, matched to the integrated circuit, and operates within a temperature range of 0°C to 70°C.
The document describes the ST-85540 as a single or dual transformer module specifically matched to integrated circuits for ITU G.703 codirectional applications. It provides electrical specifications including turns ratio, inductance limits, and capacitance values at 25°C.
Mechanical details are provided, noting that unused pins are not supplied and leads are 22 AWG solderable wire. The physical dimensions are listed in both inches and millimeters.
| Operating Temperature Range | 0°C to 70°C |
|---|---|
| Minimum Isolation Voltage | 1500 Vrms |
| Turns Ratio | 10T:1 |
The device provides a minimum isolation of 1500 Vrms.
The transformer operates between 0°C and 70°C at 25°C reference.
The primary to secondary turns ratio is 10T:1.