| Manufacturer | Part Number | Description |
|---|---|---|
| Unknown Manufacturer | OP604 | NPN SILICON PHOTOTRANSISTORS |
TT Electronics
| OP604S | High Reliability NPN Silicon Phototransistor |
|
TT Electronics
| OP604TXV | High Reliability NPN Silicon Phototransistor |
| Unknown Manufacturer | AOP604 | MOSFET |
