| No | Part number | Description ( Function ) | Manufacturers | |
| 2 | B1206 | Y5V Dielectric MLC ▪ CHIP ▪ CAPACITOR Pan Overseas Y5V DIELECTRIC – GENERAL SPECIFICATION INTRODUCTION¡G The Y5V has high K value. Its electrical properties vary considerably under changing voltage, temperature, and time. It’s suitable for general purposes applications where high capacitance values are required, and are ideal for room temperature applications with low DC bias. FE |
 Pan Overseas Electronic |
|
| 1 | B1206Cx | Inductors for Switching Power Supplies |
 NEC |
|
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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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