- 4N33V
- Fairchild Semiconductor Corporation
- 1 CHANNEL DARLINGTON OUTPUT OPTOCOUPLER
- 4N33VM
- On Semiconductor
- DC-IN 1-CH Darlington With Base DC-OUT 6-Pin PDIP W Bag
- PC4N33V
- Sharp Electronics Corp.
- 80 mA, high transfer efficiency, general purpose type photocoupler
- PC4N33VI
- Sharp Electronics Corp.
- 80 mA, high transfer efficiency, general purpose type photocoupler
- 4N33V
- Vishay Telefunken
- IC OPTOCOUPL DC-IN 1-CH DARL W/BASE DC-OUT 6DIP BULK