| No | Part number | Description ( Function ) | Manufacturers | |
| 2 | PT2353 | Satellite + Subwoofer 3-Speaker System Electronics Crossover IC Tel: 886-2-66296288 Fax: 886-2-29174598 URL: http://www.princeton.com.tw Satellite + Subwoofer 3-Speaker System Electronics Crossover IC PT2353 DESCRIPTION PT2353 is a 3-speaker system electronic crossover IC utilizing CMOS Technology specially designed for the new generation of audio equipments. 3-channel electronic volume control, 2-channel 2nd order h |
 PTC |
|
| 1 | PT2353H | Satellite + Subwoofer 3-Speaker System Electronics Crossover IC Tel: 886-2-66296288 Fax: 886-2-29174598 URL: http://www.princeton.com.tw Satellite + Subwoofer 3-Speaker System Electronics Crossover IC PT2353H DESCRIPTION PT2353H is a 3-speaker system electronic crossover IC utilizing CMOS Technology specially designed for the new generation of audio equipments. 3-channel electronic volume control, 2-channel 2nd order |
PTC |
|
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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