| 273801 | BC557B-AP | TRANSISTOR PNP CU SEMNAL MIC | ST Microelectronics |
| 273802 | BC557BBU | PNP Epitaxial Silicon Transistor | Fairchild Semiconductor |
| 273803 | BC557BRL1 | Amplificator Tranzistori | 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 | Amplificator Tranzistori | ON Semiconductor |
| 273810 | BC557C | PNP SILICON TRANSISTORE EPITAXIALE PLANARE | Boca Semiconductor Corporation |
| 273811 | BC557C | 0.500W General Purpose PNP plastic cu plumb Transistor. 45V Vceo, 0.100A Ic, 420-800 hFE | Continental Device India Limited |
| 273812 | BC557C | PlanarTransistors Si-epitaxial | Diotec Elektronische |
| 273813 | BC557C | Signal Transistor mic (PNP) | General Semiconductor |
| 273814 | BC557C | TO-92 Tranzistoare biploare încapsulate din plastic | Micro Commercial Components |
| 273815 | BC557C | Amplificator Tranzistori | Motorola |
| 273816 | BC557C | Amplificator Tranzistori | ON Semiconductor |
| 273817 | BC557C | PNP tranzistori de uz general | Philips |
| 273818 | BC557C | Tranzistoare, RF și AF | Vishay |
| 273819 | BC557CZL1 | Amplificator Tranzistori | 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, tranzistor de siliciu PNP | Siemens |
| 273825 | BC557ZL1 | Amplificator Tranzistori | ON Semiconductor |
| 273826 | BC557_J05Z | PNP Epitaxial Silicon Transistor | Fairchild Semiconductor |
| 273827 | BC558 | PNP SILICON TRANSISTORE EPITAXIALE PLANARE | Boca Semiconductor Corporation |
| 273828 | BC558 | 0.500W General Purpose PNP plastic cu plumb Transistor. 30V Vceo, 0.100A Ic, 75-800 hFE | Continental Device India Limited |
| 273829 | BC558 | PlanarTransistors Si-epitaxial | Diotec Elektronische |
| 273830 | BC558 | PNP Epitaxial Silicon Transistor | Fairchild Semiconductor |
| 273831 | BC558 | Tranzistoare de semnal mici (PNP) | General Semiconductor |
| 273832 | BC558 | General Purpose Transistor | Korea Electronics (KEC) |
| 273833 | BC558 | PNP silicon amplificator tranzistor 625mW | Micro Commercial Components |
| 273834 | BC558 | PNP SILICON AF TRANSISTORI DE SEMNAL MIC | Micro Electronics |
| 273835 | BC558 | PNP tranzistori de uz general | Philips |
| 273836 | BC558 | PNP Silicon Epitaxial Planar Transistor pentru comutarea și aplicații AF | Semtech |
| 273837 | BC558 | 30 V, 100 mA, tranzistor PNP siliciu | Siemens |
| 273838 | BC558 | Tranzistor. Comutare și AF amplificator. De înaltă tensiune. Zgomot redus. Vcbo = -30V, Vceo = -30V, VEBO = 5V, Pc = 500mW, Ic = -100mA. | USHA India LTD |
| 273839 | BC558 | Tranzistoare de semnal mici (PNP) | Vishay |
| 273840 | BC558A | 30 V, siliciu PNP plan epitaxial tranzistor | Boca Semiconductor Corporation |
