| No | Part number | Description ( Function ) | Manufacturers | |
| 2 | P40P42A12P1-24 | Definite Purpose Magnetic Contactor Catalog 1308242 Issued 3-03 (PDF Rev. 5-05) P&B P30/P40 series Definite Purpose Magnetic Contactor 30/40 Ampere Full Load 40/50 Ampere Resistive AC & DC Coils File E22575 File LR15734 DC Coil AC Coil Users should thoroughly review the technical data before selecting a product part number. It is recommended that users also seek out the pertinent approvals |
 Tyco |
|
| 1 | P40P42A12P1-240 | Definite Purpose Magnetic Contactor Catalog 1308242 Issued 3-03 (PDF Rev. 5-05) P&B P30/P40 series Definite Purpose Magnetic Contactor 30/40 Ampere Full Load 40/50 Ampere Resistive AC & DC Coils File E22575 File LR15734 DC Coil AC Coil Users should thoroughly review the technical data before selecting a product part number. It is recommended that users also seek out the pertinent approvals |
Tyco |
|
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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