| No | Part number | Description ( Function ) | Manufacturers | |
| 2 | RY-5D-K | MINIATURE RELAY MINIATURE RELAY 2 POLES—1 to 2 A (FOR SIGNAL SWITCHING) RY SERIES s FEATURES q q q q q q q q q Ultra high sensitivity UL, CSA recognized Conforms to FCC rules and regulations Part 68 —Surge strength 1,500 V High dielectric strength type available (RY-WF type) Contact arrangement MBB type available (RY-D type) High reliability-bifurcated contacts Wide operating range DIL |
 Fujitsu |
|
| 1 | RY-5D-K | MINIATURE RELAY |
Fujitsu |
|
[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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