| No | Part number | Description ( Function ) | Manufacturers | |
| 2 | PAM8803 | 3W Filterless Stereo Class-D Audio Amplifier PAM8803 3W Filterless Stereo Class-D Audio Amplifier with Digital Volume Control Key Features General Description The PAM8803 is a 3W, class-D audio amplifier with 64-step digital volume control. It offers low THD+N, allowing it to produce high-quality sound reproduction. The new filterless architecture allows the device to drive the speaker directly, with |
 Power Analog Micoelectronics |
|
| 1 | PAM8803S | 3W Filterless Stereo Class-D Audio Amplifier PAM8803S Filterless 3W Class-D Stereo Audio Amplifier with Digital Volume Control Key Features General Description The PAM8803S is a 3W, class-D audio amplifier with 64-step digital volume control. It offers low THD+N, allowing it to produce high-quality sound reproduction. The new filterless architecture allows the device to drive the speaker directly, wi |
Power Analog Micoelectronics |
|
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 |
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| LM317 | This is a popular adjustable voltage regulator. |
 ON Semiconductor |
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6N137 | LM393 | 2N3906 | 2N2222 | TIP120 | 1N5818 | LM324N | A1015 | SMAJ20CA |
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