| 273761 | BC557 | 0.500W General Purpose PNP plastic cu plumb Transistor. 45V Vceo, 0.100A Ic, 75-800 hFE | Continental Device India Limited |
| 273762 | BC557 | PlanarTransistors Si-epitaxial | Diotec Elektronische |
| 273763 | BC557 | PNP Epitaxial Silicon Transistor | Fairchild Semiconductor |
| 273764 | BC557 | Tranzistoare de semnal mici (PNP) | General Semiconductor |
| 273765 | BC557 | PNP silicon tranzitor planar epitaxial | Honey Technology |
| 273766 | BC557 | General Purpose Transistor | Korea Electronics (KEC) |
| 273767 | BC557 | PNP silicon amplificator tranzistor 625mW | Micro Commercial Components |
| 273768 | BC557 | PNP SILICON AF TRANSISTORI DE SEMNAL MIC | Micro Electronics |
| 273769 | BC557 | Amplificator Tranzistori | ON Semiconductor |
| 273770 | BC557 | PNP tranzistori de uz general | Philips |
| 273771 | BC557 | PNP Silicon Epitaxial Planar Transistor pentru comutarea și aplicații AF | Semtech |
| 273772 | BC557 | 50 V, 100 mA, tranzistor de siliciu PNP | Siemens |
| 273773 | BC557 | Tranzistor. Comutare și AF amplificator. De înaltă tensiune. Zgomot redus. Vcbo = -50V, Vceo = -45V, VEBO = 5V, Pc = 500mW, Ic = -100mA. | USHA India LTD |
| 273774 | BC557 | Tranzistoare de semnal mici (PNP) | Vishay |
| 273775 | BC557A | PNP SILICON TRANSISTORE EPITAXIALE PLANARE | Boca Semiconductor Corporation |
| 273776 | BC557A | 0.500W General Purpose PNP plastic cu plumb Transistor. 45V Vceo, 0.100A Ic, 110-220 hFE | Continental Device India Limited |
| 273777 | BC557A | PlanarTransistors Si-epitaxial | Diotec Elektronische |
| 273778 | BC557A | Signal Transistor mic (PNP) | General Semiconductor |
| 273779 | BC557A | PNP silicon amplificator tranzistor 625mW | Micro Commercial Components |
| 273780 | BC557A | Amplificator Tranzistori | Motorola |
| 273781 | BC557A | Amplificator Tranzistori | ON Semiconductor |
| 273782 | BC557A | PNP tranzistori de uz general | Philips |
| 273783 | BC557A | 50 V, 100 mA, tranzistor de siliciu PNP | Siemens |
| 273784 | BC557A | Tranzistoare, RF și AF | Vishay |
| 273785 | BC557ABU | PNP Epitaxial Silicon Transistor | Fairchild Semiconductor |
| 273786 | BC557ATA | PNP Epitaxial Silicon Transistor | Fairchild Semiconductor |
| 273787 | BC557AZL1 | Amplificator Tranzistori | ON Semiconductor |
| 273788 | BC557B | PNP SILICON TRANSISTORE EPITAXIALE PLANARE | Boca Semiconductor Corporation |
| 273789 | BC557B | 0.500W General Purpose PNP plastic cu plumb Transistor. 45V Vceo, 0.100A Ic, 200-400 hFE | Continental Device India Limited |
| 273790 | BC557B | PlanarTransistors Si-epitaxial | Diotec Elektronische |
| 273791 | BC557B | PNP Epitaxial Silicon Transistor | Fairchild Semiconductor |
| 273792 | BC557B | Signal Transistor mic (PNP) | General Semiconductor |
| 273793 | BC557B | TO-92 Tranzistoare biploare încapsulate din plastic | Micro Commercial Components |
| 273794 | BC557B | Amplificator Tranzistori | Motorola |
| 273795 | BC557B | Amplificator Tranzistori | ON Semiconductor |
| 273796 | BC557B | PNP tranzistori de uz general | Philips |
| 273797 | BC557B | 50 V, 100 mA, tranzistor de siliciu PNP | Siemens |
| 273798 | BC557B | TRANSISTOR PNP CU SEMNAL MIC | ST Microelectronics |
| 273799 | BC557B | Tranzistoare, RF și AF | Vishay |
| 273800 | BC557B-AP | SMALL SIGNAL tranzistor PNP | SGS Thomson Microelectronics |
