| No | Part number | Description ( Function ) | Manufacturers | |
| 2 | JRW-220MA | Micro Miniature Hermetically Sealed Relay JRW-220MA (7014) MICROMINIATURE HERMETICALLY SEALED RELAY ENVIRONMENTAL CONDITIONS: Temperature Range: - 55 ~ +85 °C Relative Humidity: 98% at +40 °C Atmospheric Pressure: 86~106kPa, Low Pressure 4.4kPa Shock: 735m/s2 (75G) Vibration: 10 ~ 2000Hz, 147m/s2 (15G) Liner Acceleration: 490 m/s2 (50G) Ordering Information: JRW – 220MA / 012 - 3 1 2 3 1. Model; 2. Part No. 3. Ter |
 BC Relay |
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| 1 | JRW-220MA | Relay
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 ETC |
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[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 |
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| LM317 | This is a popular adjustable voltage regulator. |
 ON Semiconductor |
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6N137 | LM393 | 2N3906 | 2N2222 | TIP120 | 1N5818 | LM324N | A1015 | SMAJ20CA |
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