| 120801 | 4AK16 | Silicon N-Channel Power MOSFET Array | Hitachi Semiconductor |
| 120802 | 4AK16 | FET Arrays | Hitachi Semiconductor |
| 120803 | 4AK17 | FET Arrays | Hitachi Semiconductor |
| 120804 | 4AK17 | Silicon N-Channel Power MOSFET Array | Hitachi Semiconductor |
| 120805 | 4AK18 | Silicon N-Channel Power MOSFET Array | Hitachi Semiconductor |
| 120806 | 4AK18 | FET Arrays | Hitachi Semiconductor |
| 120807 | 4AK19 | FET Arrays | Hitachi Semiconductor |
| 120808 | 4AK19 | Silicon N Channel MOSFET High Speed Power Switching | Hitachi Semiconductor |
| 120809 | 4AK20 | FET Arrays | Hitachi Semiconductor |
| 120810 | 4AK20 | Silicon N-Channel Power MOSFET Array | Hitachi Semiconductor |
| 120811 | 4AK21 | FET Arrays | Hitachi Semiconductor |
| 120812 | 4AK21 | Silicon N-Channel Power MOSFET Array | Hitachi Semiconductor |
| 120813 | 4AK22 | FET Arrays | Hitachi Semiconductor |
| 120814 | 4AK22 | Silicon N-Channel Power MOSFET Array | Hitachi Semiconductor |
| 120815 | 4AK23 | FET Arrays | Hitachi Semiconductor |
| 120816 | 4AK25 | FET Arrays | Hitachi Semiconductor |
| 120817 | 4AK25 | Silicon N-Channel Power MOSFET Array | Hitachi Semiconductor |
| 120818 | 4AK26 | FET Arrays | Hitachi Semiconductor |
| 120819 | 4AK26 | Silicon N-Channel Power MOS FET Array | Hitachi Semiconductor |
|
| 120820 | 4AK27 | FET Arrays | Hitachi Semiconductor |
| 120821 | 4AK27 | Silicon N Channel MOS FET High Speed Power Switching | Hitachi Semiconductor |
| 120822 | 4AM01MH5 | Pico-Logic Series | SANYO |
| 120823 | 4AM02MH5 | Pico-Logic Series | SANYO |
| 120824 | 4AM03MH5 | Pico-Logic Series | SANYO |
| 120825 | 4AM04MH5 | Pico-Logic Series | SANYO |
| 120826 | 4AM11 | Silicon N-Channel/P-Channel Power MOS FET Array | Hitachi Semiconductor |
| 120827 | 4AM11 (NCH/PCH) | FET Arrays | Hitachi Semiconductor |
| 120828 | 4AM12 (NCH/PCH) | FET Arrays | Hitachi Semiconductor |
| 120829 | 4AM13 (NCH/PCH) | FET Arrays | Hitachi Semiconductor |
| 120830 | 4AM14 (NCH/PCH) | FET Arrays | Hitachi Semiconductor |
| 120831 | 4AM15 | Silicon N-Channel/P-Channel Power MOS FET Array | Hitachi Semiconductor |
| 120832 | 4AM15 (NCH/PCH) | FET Arrays | Hitachi Semiconductor |
| 120833 | 4AM16 | Silicon N-Channel/P-Channel Power MOSFET Array | Hitachi Semiconductor |
| 120834 | 4AM16 (NCH/PCH) | FET Arrays | Hitachi Semiconductor |
| 120835 | 4AM17 (NCH/PCH) | FET Arrays | Hitachi Semiconductor |
| 120836 | 4BYP401 | Mostek prostowniczy w uk³adzie Graetza | Ultra CEMI |
| 120837 | 4BYP680 | Mostek prostowniczy w uk³adzie Graetza | Ultra CEMI |
| 120838 | 4CX1500B | RADIAL BEAM POWER TETRODE | Eimac |
| 120839 | 4CX5000A | VHF POWER TETRODES | Eimac |
| 120840 | 4CX5000R | VHF POWER TETRODES | Eimac |
