| No | Part number | Description ( Function ) | Manufacturers | |
| 2 | KSP25 | Darlington Transistor KSP25/26/27 KSP25/26/27 Darlington Transistor • Collector-Emitter Voltage: VCES=KSP25: 40V KSP26: 50V KSP27: 60V • Collector Power Dissipation: PC (max) =625mW TO-92 1 1. Emitter 2. Base 3. Collector NPN Epitaxial Silicon Darlington Transistor Absolute Maximum Ratings Ta=25°C unless otherwise noted Symbol VCES Parameter Collector-Emitter Voltage : KSP25 : KSP26 : KSP27 |
 Fairchild Semiconductor |
|
| 1 | KSP25TA | Darlington Transistor KSP25/26/27 KSP25/26/27 Darlington Transistor • Collector-Emitter Voltage: VCES=KSP25: 40V KSP26: 50V KSP27: 60V • Collector Power Dissipation: PC (max) =625mW TO-92 1 1. Emitter 2. Base 3. Collector NPN Epitaxial Silicon Darlington Transistor Absolute Maximum Ratings Ta=25°C unless otherwise noted Symbol VCES Parameter Collector-Emitter Voltage : KSP25 : KSP26 : KSP27 |
Fairchild Semiconductor |
|
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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