| No | Part number | Description ( Function ) | Manufacturers | |
| 2 | HRS2H-S-DC12V-T | SIGNAL RELAY HRS2H SIGNAL RELAY Safety Approval c US Features Microminiature relay Dimension: 20.3×9.9×11.4 (mm) High sensitivity 2 Form C contacts No. E164730 No. 50097843 ORDERING INFORMATION HRS2H Enclosure S DC12V T Coil Voltage Coil Sensitivity Blank: 450mW Model T - High Sensitivity (150mW) S - Plastic Sealed Type DC3V, DC5V, DC6V DC9V, DC12V, DC24V N - Sensitivity (200mW) B |
 HKE |
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| 1 | HRS2H-S-DC12V-T | Relay HRS2H C US 1. 1-1. 1-2. 1-3. 1-4. 1-5. 150mW 200mW 3,5,6,9,12,24VDC 2. 2-1. 2-2. 2-3. 2-4. 2-5. 2-6. 2-7. 2-8. C- AuAg overlay, Ag Alloy 1A 120VAC/24VDC 125VAC/30VDC 2A 120VA,30W 5VDC,10mA Max.50m (6VDC 0.1A) Max.100m (6VDC 0.1A) 1A 2-9. 100,000 15,000,000 3. 3-1. 3-2. Min.1000M .500VDC 750VAC,1min 500VAC,1min 1,000VAC,1min 3-3. 3-4. 3-5. 3-6. 3-7. 1,000m/s 100m/s 3-8. 1 |
 ETC |
|
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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