| 273761 | BC557 | 0.500W General Purpose PNP Plastic Leaded Transistor. 45V Vceo, 0.100A Ic, 75 - 800 hFE | Continental Device India Limited |
| 273762 | BC557 | Si-Epitaxial PlanarTransistors | Diotec Elektronische |
| 273763 | BC557 | PNP Epitaxial Silicon Transistor | Fairchild Semiconductor |
| 273764 | BC557 | Small Signal Transistors (PNP) | General Semiconductor |
| 273765 | BC557 | PNP Silicon Epitaxial Planar Transistor | Honey Technology |
| 273766 | BC557 | General Purpose Transistor | Korea Electronics (KEC) |
| 273767 | BC557 | PNP Silicon Amplifier Transistor 625mW | Micro Commercial Components |
| 273768 | BC557 | PNP SILICON AF SMALL SIGNAL TRANSISTORS | Micro Electronics |
| 273769 | BC557 | Amplifier Transistors | ON Semiconductor |
| 273770 | BC557 | PNP general purpose transistors | Philips |
| 273771 | BC557 | PNP Silicon Epitaxial Planar Transistor for switching and AF applications | Semtech |
| 273772 | BC557 | 50 V, 100 mA, PNP silicon transistor | Siemens |
| 273773 | BC557 | Transistor. Switching and AF amplifier. High voltage. Low noise. Vcbo = -50V, Vceo= -45V, Vebo = -5V, Pc = 500mW, Ic = -100mA. | USHA India LTD |
| 273774 | BC557 | Small Signal Transistors (PNP) | Vishay |
| 273775 | BC557A | PNP SILICON PLANAR EPITAXIAL TRANSISTORS | Boca Semiconductor Corporation |
| 273776 | BC557A | 0.500W General Purpose PNP Plastic Leaded Transistor. 45V Vceo, 0.100A Ic, 110 - 220 hFE | Continental Device India Limited |
| 273777 | BC557A | Si-Epitaxial PlanarTransistors | Diotec Elektronische |
| 273778 | BC557A | Small Signal Transistor (PNP) | General Semiconductor |
| 273779 | BC557A | PNP Silicon Amplifier Transistor 625mW | Micro Commercial Components |
|
| 273780 | BC557A | Amplifier Transistors | Motorola |
| 273781 | BC557A | Amplifier Transistors | ON Semiconductor |
| 273782 | BC557A | PNP general purpose transistors | Philips |
| 273783 | BC557A | 50 V, 100 mA, PNP silicon transistor | Siemens |
| 273784 | BC557A | Transistors, RF & AF | Vishay |
| 273785 | BC557ABU | PNP Epitaxial Silicon Transistor | Fairchild Semiconductor |
| 273786 | BC557ATA | PNP Epitaxial Silicon Transistor | Fairchild Semiconductor |
| 273787 | BC557AZL1 | Amplifier Transistors | ON Semiconductor |
| 273788 | BC557B | PNP SILICON PLANAR EPITAXIAL TRANSISTORS | Boca Semiconductor Corporation |
| 273789 | BC557B | 0.500W General Purpose PNP Plastic Leaded Transistor. 45V Vceo, 0.100A Ic, 200 - 400 hFE | Continental Device India Limited |
| 273790 | BC557B | Si-Epitaxial PlanarTransistors | Diotec Elektronische |
| 273791 | BC557B | PNP Epitaxial Silicon Transistor | Fairchild Semiconductor |
| 273792 | BC557B | Small Signal Transistor (PNP) | General Semiconductor |
| 273793 | BC557B | TO-92 Plastic-Encapsulate Biploar Transistors | Micro Commercial Components |
| 273794 | BC557B | Amplifier Transistors | Motorola |
| 273795 | BC557B | Amplifier Transistors | ON Semiconductor |
| 273796 | BC557B | PNP general purpose transistors | Philips |
| 273797 | BC557B | 50 V, 100 mA, PNP silicon transistor | Siemens |
| 273798 | BC557B | SMALL SIGNAL PNP TRANSISTOR | ST Microelectronics |
| 273799 | BC557B | Transistors, RF & AF | Vishay |
| 273800 | BC557B-AP | SMALL SIGNAL PNP TRANSISTOR | SGS Thomson Microelectronics |
