6N139 - High Gain Optocoupler IC
6N139 is an optocoupler IC designed for isolating primary circuit and secondary circuit electrically but the pair of LED and photodiode - Darlington setup forms the triggering mechanism between the two sides.
Optocouplers
4N28 Optocoupler IC
The 4N28 is an Industry Standard Single Channel Phototransistor Coupler. This family includes the 4N25, 4N26, 4N27 and 4N28.
6N137 High Speed Optocoupler
6N137 Pin Configuration
Pin No
Pin Name
Description
1
NC
MOC3021 Triac Driven Optoisolator
MOC3021 Pin Configuration
Pin Number
Pin Name
Description
1
4N25 - Phototransistor Optocoupler IC
4N25 Features and Specifications
IR LED Forward Voltage for turning ON: 1.25V-1.5V (Typically 1.3V, 1.5V being absolute maximum forward voltage)
IR LED Forward Current during ON: 10mA - 60
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