| No | Part number | Description ( Function ) | Manufacturers | |
| 2 | 240D3 | Solid-State Relays Solid-State Relays Features Rugged, epoxy encapsulation construction 4,000 volts of optical isolation Subjected to full load test and six times the rated current surge before and after encapsulation Unique heat-spreader technology Guaranteed for life Opto 22 Power Series SSR improvements and the same 100% testing policy established over 40 years ago, Opto 22 is still recogniz |
 OPTO22 |
|
| 1 | 240D30-HS | Solid-State Relays Solid-State Relays Features Rugged, epoxy encapsulation construction 4,000 volts of optical isolation Subjected to full load test and six times the rated current surge before and after encapsulation Unique heat-spreader technology Guaranteed for life Opto 22 Power Series SSR improvements and the same 100% testing policy established over 40 years ago, Opto 22 is still recogniz |
OPTO22 |
|
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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