| 300481 | BC557C | PNP general purpose transistors | Philips |
| 300482 | BC557C | Transistors, RF & AF | Vishay |
| 300483 | BC557CZL1 | Amplifier Transistors | ON Semiconductor |
| 300484 | BC557P | General purpose PNP transistor | FERRANTI |
| 300485 | BC557TA | PNP Epitaxial Silicon Transistor | Fairchild Semiconductor |
| 300486 | BC557TAR | PNP Epitaxial Silicon Transistor | Fairchild Semiconductor |
| 300487 | BC557TF | PNP Epitaxial Silicon Transistor | Fairchild Semiconductor |
| 300488 | BC557TFR | PNP Epitaxial Silicon Transistor | Fairchild Semiconductor |
| 300489 | BC557VI | PNP Silicon Transistor for AF pre- and driver stages | Siemens |
| 300490 | BC557VI | 50 V, 100 mA, PNP silicon transistor | Siemens |
| 300491 | BC557ZL1 | Amplifier Transistors | ON Semiconductor |
| 300492 | BC557_J05Z | PNP Epitaxial Silicon Transistor | Fairchild Semiconductor |
| 300493 | BC558 | PNP SILICON PLANAR EPITAXIAL TRANSISTORS | Boca Semiconductor Corporation |
| 300494 | BC558 | 0.500W General Purpose PNP Plastic Leaded Transistor. 30V Vceo, 0.100A Ic, 75 - 800 hFE | Continental Device India Limited |
| 300495 | BC558 | Si-Epitaxial PlanarTransistors | Diotec Elektronische |
| 300496 | BC558 | PNP Epitaxial Silicon Transistor | Fairchild Semiconductor |
| 300497 | BC558 | Small Signal Transistors (PNP) | General Semiconductor |
| 300498 | BC558 | Silicon PNP Epitaxial Planar Low Noise AF Transistor | IPRS Baneasa |
| 300499 | BC558 | General Purpose Transistor | Korea Electronics (KEC) |
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| 300500 | BC558 | Low frequency transistor | mble |
| 300501 | BC558 | Low frequency transistor | mble |
| 300502 | BC558 | PNP Silicon Amplifier Transistor 625mW | Micro Commercial Components |
| 300503 | BC558 | PNP SILICON AF SMALL SIGNAL TRANSISTORS | Micro Electronics |
| 300504 | BC558 | P-N-P Silicon Planar Epitaxial A.F. Transistor | Mullard |
| 300505 | BC558 | PNP general purpose transistors | Philips |
| 300506 | BC558 | PNP Silicon Epitaxial Planar Transistor for switching and AF applications | Semtech |
| 300507 | BC558 | Transistor PNP | Siemens |
| 300508 | BC558 | PNP Silicon Transistor for AF pre- and driver stages | Siemens |
| 300509 | BC558 | 30 V, 100 mA, PNP silicon transistor | Siemens |
| 300510 | BC558 | Transistor. Switching and AF amplifier. High voltage. Low noise. Vcbo = -30V, Vceo= -30V, Vebo = -5V, Pc = 500mW, Ic = -100mA. | USHA India LTD |
| 300511 | BC558 | Small Signal Transistors (PNP) | Vishay |
| 300512 | BC5586P | General purpose PNP transistor | FERRANTI |
| 300513 | BC558A | 30 V, PNP silicon planar epitaxial transistor | Boca Semiconductor Corporation |
| 300514 | BC558A | 0.500W General Purpose PNP Plastic Leaded Transistor. 30V Vceo, 0.100A Ic, 110 - 220 hFE | Continental Device India Limited |
| 300515 | BC558A | Si-Epitaxial PlanarTransistors | Diotec Elektronische |
| 300516 | BC558A | Small Signal Transistor (PNP) | General Semiconductor |
| 300517 | BC558A | Silicon PNP Epitaxial Planar Low Noise AF Transistor | IPRS Baneasa |
| 300518 | BC558A | Low frequency transistor | mble |
| 300519 | BC558A | TO-92 Plastic-Encapsulate Biploar Transistors | Micro Commercial Components |
| 300520 | BC558A | PNP Silicon Transistor for AF pre- and driver stages | Siemens |
