4N33 DIP-6 Optocoupler IC with Darlington Output It is insulated against voltage up to .5 kV.
You can review the datasheet for more information.
Uses
Low power logic circuits.
Solid state relays
Telecommunications equipment
| Series | 4N33 |
| Vf - Forward Voltage | 1.5V |
| Vr - Reverse Voltage | 3V |
| Pd - Power Dissipation | 150 mW |
| Number of Channels | 1 Channel |
| Number of Pins | 6 |
| Package Type | DIP-6 |