| No | Part number | Description ( Function ) | Manufacturers | |
| 3 | 2SA1458 | PNP SILICON TRANSISTOR |
 NEC |
|
| 2 | 2SA1458 | PNP Silicon Epitaxial Planar Transistor 2SA1458 PNP Silicon Epitaxial Planar Transistor for general purpose amplifier and high speed switching applications. The transistor is subdivided into three groups M, Land K, according to its DC current gain. On special request, these transistors can be manufactured in different pin configurations. Features ․High frequency current gain ․High speed switching ․Small output |
 Bluecolour |
|
| 1 | 2SA1458 | PNP Silicon Epitaxial Planar Transistor ST 2SA1458 PNP Silicon Epitaxial Planar Transistor for general purpose amplifier and high speed switching applications. The transistor is subdivided into three groups M, L and K, according to its DC current gain. On special request, these transistors can be manufactured in different pin configurations. Features ˙ High frequency current gain ˙ High speed switching ˙ Small out |
 SEMTECH |
|
List of most widely used semiconductors
| Part Number | Function | Manufacturers | |
| 1N4007 | The 1N4007 is a rectification diode that is designed for high-voltage applications, typically up to 1000V. It has a maximum current rating of 1A and a forward voltage drop of around 0.7V. |
 Vishay |
|
| LM317 | This is a popular adjustable voltage regulator. |
 ON Semiconductor |
|
6N137 | LM393 | 2N3906 | 2N2222 | TIP120 | 1N5818 | LM324N | A1015 | SMAJ20CA |
|||