| 305841 | BCY78AP | Switching PNP transistor | FERRANTI |
| 305842 | BCY78AP | General purpose PNP transistor | FERRANTI |
| 305843 | BCY78AP | Low Noise PNP Transistor | FERRANTI |
| 305844 | BCY78BP | Switching PNP transistor | FERRANTI |
| 305845 | BCY78BP | General purpose PNP transistor | FERRANTI |
| 305846 | BCY78BP | Low Noise PNP Transistor | FERRANTI |
| 305847 | BCY78CP | Switching PNP transistor | FERRANTI |
| 305848 | BCY78CP | General purpose PNP transistor | FERRANTI |
| 305849 | BCY78CP | Low Noise PNP Transistor | FERRANTI |
| 305850 | BCY78DP | Switching PNP transistor | FERRANTI |
| 305851 | BCY78DP | General purpose PNP transistor | FERRANTI |
| 305852 | BCY78DP | Low Noise PNP Transistor | FERRANTI |
| 305853 | BCY78IX | Switching PNP transistor | FERRANTI |
| 305854 | BCY78IX | General purpose PNP transistor | FERRANTI |
| 305855 | BCY78IX | PNP low noise transistor | FERRANTI |
| 305856 | BCY78IX | Silicon PNP Epitaxial-Planar Transistor | IPRS Baneasa |
| 305857 | BCY78IX | PNP switching transistors | Philips |
| 305858 | BCY78IX | PNP transistors for low-noise NF pre- and driver stages | Siemens |
| 305859 | BCY78P | Switching PNP transistor | FERRANTI |
|
| 305860 | BCY78P | General purpose PNP transistor | FERRANTI |
| 305861 | BCY78P | Low Noise PNP Transistor | FERRANTI |
| 305862 | BCY78VII | Switching PNP transistor | FERRANTI |
| 305863 | BCY78VII | General purpose PNP transistor | FERRANTI |
| 305864 | BCY78VII | PNP low noise transistor | FERRANTI |
| 305865 | BCY78VII | Silicon PNP Epitaxial-Planar Transistor | IPRS Baneasa |
| 305866 | BCY78VII | PNP switching transistors | Philips |
| 305867 | BCY78VII | PNP transistors for low-noise NF pre- and driver stages | Siemens |
| 305868 | BCY78VIII | Switching PNP transistor | FERRANTI |
| 305869 | BCY78VIII | General purpose PNP transistor | FERRANTI |
| 305870 | BCY78VIII | PNP low noise transistor | FERRANTI |
| 305871 | BCY78VIII | Silicon PNP Epitaxial-Planar Transistor | IPRS Baneasa |
| 305872 | BCY78VIII | PNP switching transistors | Philips |
| 305873 | BCY78VIII | PNP transistors for low-noise NF pre- and driver stages | Siemens |
| 305874 | BCY78X | Switching PNP transistor | FERRANTI |
| 305875 | BCY78X | General purpose PNP transistor | FERRANTI |
| 305876 | BCY78X | PNP low noise transistor | FERRANTI |
| 305877 | BCY78X | Silicon PNP Epitaxial-Planar Transistor | IPRS Baneasa |
| 305878 | BCY78X | PNP switching transistors | Philips |
| 305879 | BCY78X | PNP transistors for low-noise NF pre- and driver stages | Siemens |
| 305880 | BCY79 | Silicon PNP epitaxial planar transistor designed for use in AF input stages and driver stages. Complementary to BCY59 | AEG-TELEFUNKEN |
