MCT4 Overview
The MCT4 is a standard four-lead, TO-18 package containing a GaAs infrared emitting diode optically coupled to an NPN silicon planar phototransistor.
MCT4 Key Features
- Hermetically package
- High current transfer ratio; typically 35%
- High isolation resistance; 1011 ohms at 500 volts
- High voltage isolation emitter to detector