| 273801 | BC557B-AP | SMALL SIGNAL PNP TRANSISTOR | ST Microelectronics |
| 273802 | BC557BBU | PNP Epitaxial Silicon Transistor | Fairchild Semiconductor |
| 273803 | BC557BRL1 | Amplifier Transistors | ON Semiconductor |
| 273804 | BC557BTA | PNP Epitaxial Silicon Transistor | Fairchild Semiconductor |
| 273805 | BC557BTAR | PNP Epitaxial Silicon Transistor | Fairchild Semiconductor |
| 273806 | BC557BTF | PNP Epitaxial Silicon Transistor | Fairchild Semiconductor |
| 273807 | BC557BTFR | PNP Epitaxial Silicon Transistor | Fairchild Semiconductor |
| 273808 | BC557BU | PNP Epitaxial Silicon Transistor | Fairchild Semiconductor |
| 273809 | BC557BZL1 | Amplifier Transistors | ON Semiconductor |
| 273810 | BC557C | PNP SILICON PLANAR EPITAXIAL TRANSISTORS | Boca Semiconductor Corporation |
| 273811 | BC557C | 0.500W General Purpose PNP Plastic Leaded Transistor. 45V Vceo, 0.100A Ic, 420 - 800 hFE | Continental Device India Limited |
| 273812 | BC557C | Si-Epitaxial PlanarTransistors | Diotec Elektronische |
| 273813 | BC557C | Small Signal Transistor (PNP) | General Semiconductor |
| 273814 | BC557C | TO-92 Plastic-Encapsulate Biploar Transistors | Micro Commercial Components |
| 273815 | BC557C | Amplifier Transistors | Motorola |
| 273816 | BC557C | Amplifier Transistors | ON Semiconductor |
| 273817 | BC557C | PNP general purpose transistors | Philips |
| 273818 | BC557C | Transistors, RF & AF | Vishay |
| 273819 | BC557CZL1 | Amplifier Transistors | ON Semiconductor |
|
| 273820 | BC557TA | PNP Epitaxial Silicon Transistor | Fairchild Semiconductor |
| 273821 | BC557TAR | PNP Epitaxial Silicon Transistor | Fairchild Semiconductor |
| 273822 | BC557TF | PNP Epitaxial Silicon Transistor | Fairchild Semiconductor |
| 273823 | BC557TFR | PNP Epitaxial Silicon Transistor | Fairchild Semiconductor |
| 273824 | BC557VI | 50 V, 100 mA, PNP silicon transistor | Siemens |
| 273825 | BC557ZL1 | Amplifier Transistors | ON Semiconductor |
| 273826 | BC557_J05Z | PNP Epitaxial Silicon Transistor | Fairchild Semiconductor |
| 273827 | BC558 | PNP SILICON PLANAR EPITAXIAL TRANSISTORS | Boca Semiconductor Corporation |
| 273828 | BC558 | 0.500W General Purpose PNP Plastic Leaded Transistor. 30V Vceo, 0.100A Ic, 75 - 800 hFE | Continental Device India Limited |
| 273829 | BC558 | Si-Epitaxial PlanarTransistors | Diotec Elektronische |
| 273830 | BC558 | PNP Epitaxial Silicon Transistor | Fairchild Semiconductor |
| 273831 | BC558 | Small Signal Transistors (PNP) | General Semiconductor |
| 273832 | BC558 | General Purpose Transistor | Korea Electronics (KEC) |
| 273833 | BC558 | PNP Silicon Amplifier Transistor 625mW | Micro Commercial Components |
| 273834 | BC558 | PNP SILICON AF SMALL SIGNAL TRANSISTORS | Micro Electronics |
| 273835 | BC558 | PNP general purpose transistors | Philips |
| 273836 | BC558 | PNP Silicon Epitaxial Planar Transistor for switching and AF applications | Semtech |
| 273837 | BC558 | 30 V, 100 mA, PNP silicon transistor | Siemens |
| 273838 | BC558 | Transistor. Switching and AF amplifier. High voltage. Low noise. Vcbo = -30V, Vceo= -30V, Vebo = -5V, Pc = 500mW, Ic = -100mA. | USHA India LTD |
| 273839 | BC558 | Small Signal Transistors (PNP) | Vishay |
| 273840 | BC558A | 30 V, PNP silicon planar epitaxial transistor | Boca Semiconductor Corporation |
