| Manufacturer | Part Number | Description |
|---|---|---|
| Unknown Manufacturer | KC237 | NPN Transistor |
Philips Semiconductors (now NXP Semiconductors)
| KC237B | NPN Transistor |
Tesla Elektronicke
| KC237B | Transistor |
|
Tesla Elektronicke
| KC237A | Transistor |
|
Tesla Elektronicke
| KC237V | Transistor |
