| No | Part number | Description ( Function ) | Manufacturers | |
| 2 | QS8K2 | 30V Nch +Nch Middle Power MOSFET QS8K2 30V Nch +Nch Middle Power MOSFET VDSS RDS(on)(Max.) ID PD 30V 54mΩ ±3.5A 1.5W lFeatures 1) Low on - resistance. 2) Built-in G-S protection diode. 3) Small surface mount package(TSMT8) 4) Pb-free lead plating ; RoHS compliant lOutline TSMT8 lInner circuit Datasheet lPackaging |
 ROHM Semiconductor |
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| 1 | QS8K21 | 4V Drive Nch Nch MOSFET 4V Drive Nch + Nch MOSFET QS8K21 Structure Silicon N-channel MOSFET Dimensions (Unit : mm) TSMT8 (8) (7) (6) (5) Features 1) Low on-resistance. 2) High power package(TSMT8). 3) Low voltage drive(4V drive). (1) (2) (3) (4) Abbreviated symbol : K21 Application Switching Packaging specifications Type QS8K21 Package Code Basic ordering |
ROHM Semiconductor |
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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 |
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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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