| No | Part number | Description ( Function ) | Manufacturers | |
| 8 | 2SC4242 | POWER TRANSISTOR(7A/400V/40W) A A A |
 Mospec Semiconductor |
|
| 7 | 2SC4242 | MOLD TYPE BIPOLAR TRANSISTORS |
 ETC |
|
| 6 | 2SC4242 | TRIPLE DIFFUSED PLANER TYPE HIGH VOLTAGE 1 2 |
 Suntac Electronic |
|
| 5 | 2SC4242 | Silicon NPN Power Transistors SavantIC Semiconductor Product Specification Silicon NPN Power Transistors DESCRIPTION ·With TO-220C package ·High voltage ,high speed APPLICATIONS ·For use in high voltage ,high speed; power switching in inductive circuit. ·Particulary suited for 115 and 220V switchmode applications such as switching regulators ,inverters ; DC-DC converters PINNING PI |
 Savantic |
|
| 4 | 2SC4242 | SWITCHMODE SERIES NPN POWER TRANSISTORS UNISONIC TECHNOLOGIES CO., LTD 2SC4242 SWITCHMODE SERIES NPN POWER TRANSISTORS DESCRIPTION NPN SILICON TRANSISTOR The UTC 2SC4242 is a high-voltage, high-speed switching power transistor and designed particularly for 115 and 220V switch mode applications, such as switching regulators, inverters, DC-DC converter and general purpose power amplifiers. FEATURES * Low sat |
 Unisonic Technologies |
|
| 3 | 2SC4242 | Silicon NPN Power Transistor INCHANGE Semiconductor isc Product Specification isc Silicon NPN Power Transistor 2SC4242 DESCRIPTION ·Collector-Emitter Sustaining Voltage: VCEO(SUS)= 400V(Min) ·Fast Switching Speed ·Collector-Emitter Saturation Voltage: VCE(sat)= 0.8V(Max.)@ IC= 4.0A APPLICATIONS ·Designed for use in high-voltage, high-speed , power switching in inductive circuit , they are particula |
 Inchange 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 |
|||