PT-50 is a low-cost trigger source isolation transformer from Vishay Dale for SCR power control circuits. It features a small physical size and low profile for packaging advantages. It is also designed to transfer high amplitude or long duration pulses without saturation. PT-50 is suitable for industrial and commercial applications, including motor speed controls, lighting controls and heater controls. It is interchangeable with the 11Z and PT-20 models and designed for circuit board mounting using the same mounting dimensions.
The Vishay Dale PT-50 is a transformer designed specifically for low-cost trigger source isolation within SCR (Silicon Controlled Rectifier) power control circuits. Its small physical size and low profile offer packaging advantages, while its design ensures the transfer of high amplitude or long duration pulses without saturation. It is suitable for industrial and commercial applications such as motor speed controls, lighting controls, and heater controls.
| Primary Inductance Values | From 200 µH to 5000 µH |
|---|---|
| Turns Ratio | 1:1, 2:1 and 5:1 |
| Temperature Range | - 55 °C to + 105 °C |
| Dielectric Test @ 60 Hz | 1600 V RMS (Windings to core) |
| AC Line Voltage @ 60 Hz | 240 V RMS maximum |
This transformer is designed for use in motor speed controls, lighting controls, and heater controls.
The transformer supports a maximum of 240 V RMS in test circuits shown.
The unit operates within a temperature range of -55 °C to +105 °C.