| Manufacturer | Part Number | Description |
|---|---|---|
| Aborn Electronics | FPT510 | (FPT500 / FPT510) High Sensitivy Silicon Phototransistors |
Fairchild (now onsemi)
| FPT510A | Hermetic TO-18 Silicon Phototransistors |
| Aborn Electronics | FPT500 | (FPT500 / FPT510) High Sensitivy Silicon Phototransistors |
