Optocoupler/LED/nixie tube/photoelectric device

Dual Channel, High Speed ​​Optocoupler

0805 ball head red (red: IV=130-169mcd,\n(Typ)@IF=5mA)

The MOC8021M and MOC8050M are opto-Darlington optocouplers. These devices have gallium arsenide infrared emitting diodes coupled to silicon Darlington phototransistors.

0402 ice blue SMD LED lamp beads

The QSE773 is a silicon PIN photodiode with infrared, transparent, black plastic sidelooker encapsulation.