| No | Part number | Description ( Function ) | Manufacturers | |
| 96 | RB2 | Diode ( Rectifier ) |
 American Microsemiconductor |
|
| 95 | RB20-10 | Diode ( Rectifier ) |
American Microsemiconductor |
|
| 94 | RB20-7 | Diode ( Rectifier ) |
American Microsemiconductor |
|
| 93 | RB200 | 2.0A BRIDGE RECTIFIER |
 Won-Top Electronics |
|
| 92 | RB200 | Diode ( Rectifier ) |
American Microsemiconductor |
|
| 91 | RB201 | 2.0/3.0A RB SERIES SIP BRIDGE RECTIFIERS |
 Leshan Radio Company |
|
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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