| No | Part number | Description ( Function ) | Manufacturers | |
| 4 | MMST4401 | NPN SMALL SIGNAL SURFACE MOUNT TRANSISTOR |
 TRSYS |
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| 3 | MMST4401 | NPN SMALL SIGNAL SURFACE MOUNT TRANSISTOR MMST4401 NPN SMALL SIGNAL SURFACE MOUNT TRANSISTOR Features • Epitaxial Planar Die Construction • Complementary PNP Type Available (MMST4403) • Ultra-Small Surface Mount Package • Lead Free/RoHS Compliant (Note 2) • "Green" Device (Note 3 and 4) Mechanical Data • Case: SOT-323 • Case Material: Molded Plastic, "Green" Molding Compound, Note 4. UL Flammability Clas |
 Diodes Incorporated |
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| 2 | MMST4401 | NPN Medium Power Transistor UMT4401 / SST4401 / MMST4401 / 2N4401 Transistors NPN Medium Power Transistor (Switching) UMT4401 / SST4401 / MMST4401 / 2N4401 !External dimensions (Units : mm) !Features 1) BVCEO>40V (IC=1mA) 2) Complements the UMT4403 / SST4403 / MMST4403 / PN4403. UMT4401 2.0±0.2 1.3±0.1 0.65 0.65 (1) (2) 0.2 0.9±0.1 0.7±0.1 1.25±0.1 2.1±0.1 0~0.1 (3) ROHM : UMT3 EIAJ : SC-70 0 |
 ROHM Semiconductor |
|
| 1 | MMST4401 | NPN Medium Power Transistor SST4401 / MMST4401 Transistors NPN Medium Power Transistor (Switching) SST4401 / MMST4401 zFeatures 1) BVCEO>40V (IC=1mA) 2) Complements the SST4403 / MMST4403. zDimensions (Unit : mm) SST4401 zPackage, marking, and packaging specifications Part No. Packaging type Marking Code Basic ordering unit (pieces) SST4401 SST3 R2X T116 3000 MMST4401 SMT3 R2X T146 3000 ROHM : SST3 (1 |
ROHM 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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