| No | Part number | Description ( Function ) | Manufacturers | |
| 2 | REF3212 | 4ppm/C 100A SOT23-6 Series Voltage Reference (Rev. C) |
 Texas Instruments |
|
| 1 | REF3212 | (REF3212 - REF3240) SOT23-6 SERIES VOLTAGE REFERENCE REF3212, REF3220 REF3225, REF3230 REF3233, REF3240 SBVS058B −JUNE 2005 − REVISED FEBRUARY 2006 4ppm/°C, 100µA, SOT23-6 SERIES VOLTAGE REFERENCE FEATURES D EXCELLENT SPECIFIED DRIFT PERFORMANCE: 7ppm/ °C (max) at 0°C to +125°C 20ppm/°C (max) at −40°C to +125°C MICROSIZE PACKAGE: SOT23-6 HIGH OUTPUT CURRENT: +10mA HIGH ACCURACY: 0.01% LOW QUIESCENT CURRENT: 100µA |
 Burr-Brown |
|
[1]
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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