| Manufacturer | Part Number | Description |
|---|---|---|
| BC557B | PNP Epitaxial Silicon Transistor | |
NXP Semiconductors |
BC557B | PNP Transistor |
SeCoS Halbleitertechnologie GmbH |
BC557B | PNP Transistor |
Multicomp |
BC557B | General Purpose Transistor |
Motorola Semiconductor (now NXP Semiconductors) |
BC557B | Amplifier Transistors |
Continental Device India |
BC557B | PNP Silicon Transistor |
Weitron Technology |
BC557B | PNP Transistor |
Diotec Semiconductor |
BC557B | General Purpose PNP Transistors |