- BC557P
- Ferranti Semiconductors
- E-Line Transistors 1977
- BC557PK
- Diodes Incorporated
- 200 mA, 45 V, PNP, Si, SMALL SIGNAL TRANSISTOR
- BC557PL
- Diodes Incorporated
- 200 mA, 45 V, PNP, Si, SMALL SIGNAL TRANSISTOR
- BC557PM1TA
- Diodes Incorporated
- 200 mA, 45 V, PNP, Si, SMALL SIGNAL TRANSISTOR
- BC557PM1TC
- Diodes Incorporated
- 200 mA, 45 V, PNP, Si, SMALL SIGNAL TRANSISTOR
- BC557PQ
- Diodes Incorporated
- 200 mA, 45 V, PNP, Si, SMALL SIGNAL TRANSISTOR
- BC557PSTOA
- Diodes Incorporated
- 200 mA, 45 V, PNP, Si, SMALL SIGNAL TRANSISTOR
- BC557PSTOB
- Diodes Incorporated
- 200 mA, 45 V, PNP, Si, SMALL SIGNAL TRANSISTOR
- BC557PSTZ
- Diodes Incorporated
- 200 mA, 45 V, PNP, Si, SMALL SIGNAL TRANSISTOR
- BC557P
- Zetex Semiconductors
- Quick Reference Guide (Discrete Semiconductors) 1991