| No | Part number | Description ( Function ) | Manufacturers | |
| 2 | 2SC4509 | POWER TRANSISTOR 2SC4509 TRIPLE DIFFUSED PLANER TYPE HIGH VOLTAGE,HIGH SPEED SWITCHING FUJI POWER TRANSISTOR Outline Drawings TO-3PF Features High voltage,High speed switching Low saturation voltage High reliability Applications Switching regulators DC-DC convertors Solid state relay General purpose power amplifiers JEDEC EIAJ (TO-3PF) - Maximum ratings and characteris |
 Fuji Electric |
|
| 1 | 2SC4509 | SILICON POWER TRANSISTOR SavantIC Semiconductor Product Specification Silicon NPN Power Transistors 2SC4509 DESCRIPTION ·With TO-3PML package ·High voltage ,high speed switching ·Low collector saturation voltage APPLICATIONS ·Switching regulators ·DC-DC convertors ·Solid state relay ·General purpose power amplifiers PINNING PIN 1 2 3 Base Collector Fig.1 simplified outli |
 SavantIC |
|
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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