| No | Part number | Description ( Function ) | Manufacturers | |
| 4 | 3TF34 | AC Contactors 3TF AC Contactors Selection and ordering data AC operation 3TF30 3TF40 3TF31 3TF41 Auxiliary contacts NO NC NO - NC NO - NC NO - NC NO - NC Order No. 3TF30 00 - 0X 3TF30 10 - 0X 3TF30 01 - 0X Rated insulation voltage (V) Rated operational current (380V) AC - 3 AC - 4 690 9 3.3 -1-1 3TF40 10 - 0X 3TF40 01 - 0X 3TF40 11 - 0X 3TF40 22 - 0X 3TF40 20 - 0X 3TF40 31 - |
 Siemens |
|
| 3 | 3TF3400-0A | 3-Pole and CRLOF3 Reversing Contactors World Series Contactors 3TF3 3-Pole and CRL0F3 Reversing Contactors with AC or DC Coil Ordering Information ᮣ ᮣ ᮣ Selection Coil Voltage Codes AC Voltage 60Hz 24 120 208 277 240 480 600 DC Voltage 12 24 48 125 240 50Hz 24 110 175 220 220 380–415 500 Code C2 K6 M1 U1 P6 V0 S0 Code A4 B4 W4 G4 Q4 ᮣ ᮣ ᮣ Select Contactor from table below. Complete Catalog Number f |
Siemens |
|
| 2 | 3TF3400-0Axx | Non Reversing Contactors World Series Contactors 3TF3 3-Pole and CRL0F3 Reversing Contactors with AC or DC Coil Ordering Information ᮣ ᮣ ᮣ Selection Coil Voltage Codes AC Voltage 60Hz 24 120 208 277 240 480 600 DC Voltage 12 24 48 125 240 50Hz 24 110 175 220 220 380–415 500 Code C2 K6 M1 U1 P6 V0 S0 Code A4 B4 W4 G4 Q4 ᮣ ᮣ ᮣ Select Contactor from table below. Complete Catalog Number f |
Siemens |
|
| 1 | 3TF3411-0A | 3-Pole and CRLOF3 Reversing Contactors World Series Contactors 3TF3 3-Pole and CRL0F3 Reversing Contactors with AC or DC Coil Ordering Information ᮣ ᮣ ᮣ Selection Coil Voltage Codes AC Voltage 60Hz 24 120 208 277 240 480 600 DC Voltage 12 24 48 125 240 50Hz 24 110 175 220 220 380–415 500 Code C2 K6 M1 U1 P6 V0 S0 Code A4 B4 W4 G4 Q4 ᮣ ᮣ ᮣ Select Contactor from table below. Complete Catalog Number f |
Siemens |
|
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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