Part Number	JAN4N49 Datasheet
Manufacturer	Micropac Industries
Overview	Gallium Aluminum Arsenide (GaAlAs) infrared LED and a high gain N-P-N silicon phototransistor packaged in a hermetically sealed TO-5 metal can. The 4N47, 4N48 and 4N49’s can be tested to customer spec. * * * * * High Reliability Base lead provided for conventional transistor biasing Rugged package High gain, high voltage transistor +1kV electrical isolation Applications: * * * * * Eliminate ground loops Level shifting Line receiver Switching power supplies Motor control DESCRIPTION Gallium Alum.