4N25 Optoisolator - SMD (4 Pack)
An optoisolator or optocoupler is a cool little device that allows you to completely separate sections of an electrical circuit. The 4N25 family is an industry standa..
PC817 Opto Isolator - SMD (4 Pack)
The PC817 Opto Coupler is used to isolate the low voltage from the high voltage in a circuit.
Quick Spec
Input Forward Current: 50mA
Peak Forward Cur..