| No | Part number | Description ( Function ) | Manufacturers | |
| 2 | XN5501 | Silicon NPN epitaxial planer transistor Composite Transistors XN05501 (XN5501) Silicon NPN epitaxial planar type Unit: mm For general amplification ■ Features • Two elements incorporated into one package • Reduction of the mounting area and assembly cost by one half 4 2.90+0.20 –0.05 1.9±0.1 (0.95) (0.95) 5 6 0.16+0.10 –0.06 1.50+0.25 –0.05 2.8+0.2 –0.3 3 2 1 0.30+0.10 � |
 Panasonic Semiconductor |
|
| 1 | XN5501 | Silicon NPN epitaxial planar type Composite Transistors XN05501 (XN5501) Silicon NPN epitaxial planar type Unit: mm For general amplification ■ Features • Two elements incorporated into one package • Reduction of the mounting area and assembly cost by one half 4 2.90+0.20 –0.05 1.9±0.1 (0.95) (0.95) 5 6 0.16+0.10 –0.06 1.50+0.25 –0.05 2.8+0.2 –0.3 3 2 1 0.30+0.10 � |
Panasonic Semiconductor |
|
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 |
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