| 1723921 | ZTX382 | Low Noise NPN Transistor | FERRANTI |
| 1723922 | ZTX382B | General purpose NPN transistor | FERRANTI |
| 1723923 | ZTX382B | Low Noise NPN Transistor | FERRANTI |
| 1723924 | ZTX382C | General purpose NPN transistor | FERRANTI |
| 1723925 | ZTX382C | Low Noise NPN Transistor | FERRANTI |
| 1723926 | ZTX383 | General purpose NPN transistor | FERRANTI |
| 1723927 | ZTX383 | Low Noise NPN Transistor | FERRANTI |
| 1723928 | ZTX383B | General purpose NPN transistor | FERRANTI |
| 1723929 | ZTX383B | Low Noise NPN Transistor | FERRANTI |
| 1723930 | ZTX383C | General purpose NPN transistor | FERRANTI |
| 1723931 | ZTX383C | Low Noise NPN Transistor | FERRANTI |
| 1723932 | ZTX384 | General purpose NPN transistor | FERRANTI |
| 1723933 | ZTX384 | Low Noise NPN Transistor | FERRANTI |
| 1723934 | ZTX384B | General purpose NPN transistor | FERRANTI |
| 1723935 | ZTX384B | Low Noise NPN Transistor | FERRANTI |
| 1723936 | ZTX384C | General purpose NPN transistor | FERRANTI |
| 1723937 | ZTX384C | Low Noise NPN Transistor | FERRANTI |
| 1723938 | ZTX3866 | NPN SILICON PLANAR R.F. MEDIUM POWER TRANSISTOR | Zetex Semiconductors |
| 1723939 | ZTX3903 | General purpose NPN transistor | FERRANTI |
|
| 1723940 | ZTX3903 | Low Noise NPN Transistor | FERRANTI |
| 1723941 | ZTX3903 | Switching NPN transistor | FERRANTI |
| 1723942 | ZTX3904 | General purpose NPN transistor | FERRANTI |
| 1723943 | ZTX3904 | Low Noise NPN Transistor | FERRANTI |
| 1723944 | ZTX3904 | Switching NPN transistor | FERRANTI |
| 1723945 | ZTX3905 | Low Noise PNP Transistor | FERRANTI |
| 1723946 | ZTX3905 | Switching PNP transistor | FERRANTI |
| 1723947 | ZTX3905 | General purpose PNP transistor | FERRANTI |
| 1723948 | ZTX3906 | Low Noise PNP Transistor | FERRANTI |
| 1723949 | ZTX3906 | Switching PNP transistor | FERRANTI |
| 1723950 | ZTX3906 | General purpose PNP transistor | FERRANTI |
| 1723951 | ZTX413 | NPN SILICON PLANAR AVALANCHE TRANSISTOR | Zetex Semiconductors |
| 1723952 | ZTX415 | NPN SILICON PLANAR AVALANCHE TRANSISTOR | Diodes |
| 1723953 | ZTX415 | NPN Avalanche Transistor | Zetex Semiconductors |
| 1723954 | ZTX4400 | Medium power NPN transistor | FERRANTI |
| 1723955 | ZTX4400 | Switching NPN transistor | FERRANTI |
| 1723956 | ZTX4401 | Medium power NPN transistor | FERRANTI |
| 1723957 | ZTX4401 | Switching NPN transistor | FERRANTI |
| 1723958 | ZTX4402 | Switching PNP transistor | FERRANTI |
| 1723959 | ZTX4402 | Medium power PNP transistors | FERRANTI |
| 1723960 | ZTX4403 | Switching PNP transistor | FERRANTI |
