| No | Part number | Description ( Function ) | Manufacturers | |
| 4 | BC148 | TRANZYSTORY NPN |
 ETC |
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| 3 | BC148 | (BC1xx) Small Signal Transistors w w a D . w S a t e e h U 4 t m o .c w w w .D t a S a e h U 4 t e m o .c w w w .D at h S a t e e 4U . m o c |
 Central Semiconductor |
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| 2 | BC148 | (BC1xx) Low Level and General Purpose Amplifiers w w w t a .D S a e h U 4 t e .c m o w w w .D a S a t e e h U 4 t m o .c |
ETC |
|
| 1 | BC148 | (BC147 - BC149) TRANZYSTORY www.DataSheet.net/ Datasheet pdf - http://www.DataSheet4U.co.kr/ www.DataSheet.net/ Datasheet pdf - http://www.DataSheet4U.co.kr/ www.DataSheet.net/ Datasheet pdf - http://www.DataSheet4U.co.kr/ www.DataSheet.net/ Datasheet pdf - http://www.DataSheet4U.co.kr/ www.DataSheet.net/ Datasheet pdf - http://www.DataSheet4U.co.kr/ www.DataSheet.net/ Datasheet pdf - http://ww |
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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