- 4N28MS
- Fairchild Semiconductor Corporation
- 1 CHANNEL TRANSISTOR OUTPUT OPTOCOUPLER
- 4N28MSR2
- Fairchild Semiconductor Corporation
- 1 CHANNEL TRANSISTOR OUTPUT OPTOCOUPLER
- 4N28MSR2V
- Fairchild Semiconductor Corporation
- 1 CHANNEL TRANSISTOR OUTPUT OPTOCOUPLER
- 4N28MSV
- Fairchild Semiconductor Corporation
- 1 CHANNEL TRANSISTOR OUTPUT OPTOCOUPLER