| No | Part number | Description ( Function ) | Manufacturers | |
| 1 | NJW4140 | Switching Regulator IC BCD Process Series U . D . NJW4140 PACKAGE OUTLINE Switching Regulator IC for Boost Converter FEATURES z Operating Voltage Range 3V to 35V z Drive Nch MOSFET (Ciss=3,000pF, Gate voltage 5V max.) z Oscillation Frequency 50kHz to 1MHz z PWM Control z External Synchronous Function z Over Current Protection z Built-in OSC Enable Function z Package Outline DMP8, VSP8 NJW |
 New Japan Radio |
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 SavantIC |
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 Asahi Kasei Microsystems |
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Asahi Kasei Microsystems |
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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 |
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6N137 | LM393 | 2N3906 | 2N2222 | TIP120 | 1N5818 | LM324N | A1015 | SMAJ20CA |
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