| 273721 | BC556 | Tranzistoare de semnal mici (PNP) | Vishay |
| 273722 | BC556A | PNP SILICON TRANSISTORE EPITAXIALE PLANARE | Boca Semiconductor Corporation |
| 273723 | BC556A | 0.625W General Purpose PNP plastic cu plumb Transistor. 65V Vceo, 0.100A Ic, 110-220 hFE | Continental Device India Limited |
| 273724 | BC556A | PlanarTransistors Si-epitaxial | Diotec Elektronische |
| 273725 | BC556A | Signal Transistor mic (PNP) | General Semiconductor |
| 273726 | BC556A | TO-92 Tranzistoare biploare încapsulate din plastic | Micro Commercial Components |
| 273727 | BC556A | PNP tranzistori de uz general | Philips |
| 273728 | BC556A | 80 V, 100 mA, tranzistor PNP siliciu | Siemens |
| 273729 | BC556A | Tranzistoare, RF și AF | Vishay |
| 273730 | BC556ABU | PNP Epitaxial Silicon Transistor | Fairchild Semiconductor |
| 273731 | BC556ATA | PNP Epitaxial Silicon Transistor | Fairchild Semiconductor |
| 273732 | BC556B | PNP SILICON TRANSISTORE EPITAXIALE PLANARE | Boca Semiconductor Corporation |
| 273733 | BC556B | 0.625W General Purpose PNP plastic cu plumb Transistor. 65V Vceo, 0.100A Ic, 200-450 hFE | Continental Device India Limited |
| 273734 | BC556B | PlanarTransistors Si-epitaxial | Diotec Elektronische |
| 273735 | BC556B | PNP Epitaxial Silicon Transistor | Fairchild Semiconductor |
| 273736 | BC556B | Signal Transistor mic (PNP) | General Semiconductor |
| 273737 | BC556B | PNP silicon amplificator tranzistor 625mW | Micro Commercial Components |
| 273738 | BC556B | Amplificator Tranzistori | Motorola |
| 273739 | BC556B | Amplificator Tranzistori | ON Semiconductor |
| 273740 | BC556B | PNP tranzistori de uz general | Philips |
| 273741 | BC556B | 80 V, 100 mA, tranzistor PNP siliciu | Siemens |
| 273742 | BC556B | Tranzistoare, RF și AF | Vishay |
| 273743 | BC556BBU | PNP Epitaxial Silicon Transistor | Fairchild Semiconductor |
| 273744 | BC556BRL1 | Amplificator Tranzistori | ON Semiconductor |
| 273745 | BC556BTA | PNP Epitaxial Silicon Transistor | Fairchild Semiconductor |
| 273746 | BC556BTAR | PNP Epitaxial Silicon Transistor | Fairchild Semiconductor |
| 273747 | BC556BTF | PNP Epitaxial Silicon Transistor | Fairchild Semiconductor |
| 273748 | BC556BTFR | PNP Epitaxial Silicon Transistor | Fairchild Semiconductor |
| 273749 | BC556BU | PNP Epitaxial Silicon Transistor | Fairchild Semiconductor |
| 273750 | BC556BZL1 | Amplificator Tranzistori | ON Semiconductor |
| 273751 | BC556B_J18Z | PNP Epitaxial Silicon Transistor | Fairchild Semiconductor |
| 273752 | BC556C | Signal Transistor mic (PNP) | General Semiconductor |
| 273753 | BC556C | TO-92 Tranzistoare biploare încapsulate din plastic | Micro Commercial Components |
| 273754 | BC556CBU | PNP Epitaxial Silicon Transistor | Fairchild Semiconductor |
| 273755 | BC556CTA | PNP Epitaxial Silicon Transistor | Fairchild Semiconductor |
| 273756 | BC556TF | PNP Epitaxial Silicon Transistor | Fairchild Semiconductor |
| 273757 | BC556TFR | PNP Epitaxial Silicon Transistor | Fairchild Semiconductor |
| 273758 | BC556VI | 80 V, 100 mA, tranzistor PNP siliciu | Siemens |
| 273759 | BC556_J18Z | PNP Epitaxial Silicon Transistor | Fairchild Semiconductor |
| 273760 | BC557 | PNP SILICON TRANSISTORE EPITAXIALE PLANARE | Boca Semiconductor Corporation |
