| No | Part number | Description ( Function ) | Manufacturers | |
| 210 | TPA | TRISIL SMP50 / SMTPA / TPA Trisil™ for telecom equipment protection Features ■ Bidirectional crowbar protection ■ Voltage range from 62 V to 320 V ■ Low capacitance from 12 pF to 20 pF @ 50 V ■ Low leakage current : IR = 2 µA max ■ Holding current: IH = 150 mA min ■ Repetitive peak pulse current : IPP = 50 A (10/1000 µs) Main applications Telecommunication equipment s |
 STMicroelectronics |
|
| 209 | TPA005D02 | 2-W Stereo Class-D Audio Power Amplifier (Rev. C) |
 Texas Instruments |
|
| 208 | TPA005D12 | 2-W Stereo Class-D Audio Power Amplifier (Rev. B) |
Texas Instruments |
|
| 207 | TPA0102 | Stereo 1.5-W Audio Power Amplifier (Rev. E) |
Texas Instruments |
|
| 206 | TPA0103 | 3-Channel Audio Power Amplifier Stereo Single-Ended 500-mW and Mono BTL 1.75W (Rev. A) |
Texas Instruments |
|
| 205 | TPA0112 | TPA0112: 2.6-W Stereo Audio Power Amplifier With Four Selectable Gain Settings (Rev. C) |
Texas Instruments |
|
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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