| No | Part number | Description ( Function ) | Manufacturers | |
| 6 | K102 | Photocoupler(These Photocouplers consist of a Gallium Arsenide Infrared Emitting) Photocoupler K101 • K102 • K104 These Photocouplers consist of a Gallium Arsenide Infrared Emitting Diode and a Silicon NPN Phototransistor per a channel. The K101 has one channel in a 4-pin mini-flat SMD package. The K102 has two channels in a 8-pin mini-flat SMD package. The K104 has four channels in a 16-pin mini-flat SMD package. FEATURES • Mini-Flat Package • Col |
 KODENSHI KOREA CORP |
|
| 5 | K102 | (K101 / K104) Photo Coupler Photocoupler K101 • K102 • K104 These Photocouplers consist of a Gallium Arsenide Infrared Emitting Diode and a Silicon NPN Phototransistor per a channel. The K101 has one channel in a 4-pin mini-flat SMD package. The K102 has two channels in a 8-pin mini-flat SMD package. The K104 has four channels in a 16-pin mini-flat SMD package. FEATURES • Mini-Flat Package • Col |
 Kodenshi |
|
| 4 | K1021 | N-Channel Silicon Power MOS FET |
 ETC |
|
| 3 | K1023-01 | N-Channel Silicon Power MOS FET |
 Fuji Semiconductors |
|
| 2 | K1024 | MOSFET ( Transistor ) - 2SK1024
|
 Fuji Electric |
|
| 1 | K102P | Optically Coupled Lsolator |
 Telefunken |
|
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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