No | Part number | Description ( Function ) | Manufacturers | |
48 | 3TH4 | Control Relays Control Relays 3TH4 Fixed Contacts Type Ordering Information ᮣ Selection ᮣ ᮣ Determine the number of contacts, AC or DC, then select Catalog Number. Complete Catalog Number by adding Coil suffix from table below. Replacement Parts see page 882. 3TH40 Relay Type 2 NO 2 NC Terminals AC Coil Voltage 120V AC 2 2 0 A K6 3TH4040-OAK6 3TH4022-OBB4 Relays With Screw |
![]() Siemens |
![]() |
47 | 3TH4004-0A | Control Relays Control Relays 3TH4 Fixed Contacts Type Ordering Information ᮣ Selection ᮣ ᮣ Determine the number of contacts, AC or DC, then select Catalog Number. Complete Catalog Number by adding Coil suffix from table below. Replacement Parts see page 882. 3TH40 Relay Type 2 NO 2 NC Terminals AC Coil Voltage 120V AC 2 2 0 A K6 3TH4040-OAK6 3TH4022-OBB4 Relays With Screw |
![]() Siemens |
![]() |
46 | 3TH4004-0B | Control Relays Control Relays 3TH4 Fixed Contacts Type Ordering Information ᮣ Selection ᮣ ᮣ Determine the number of contacts, AC or DC, then select Catalog Number. Complete Catalog Number by adding Coil suffix from table below. Replacement Parts see page 882. 3TH40 Relay Type 2 NO 2 NC Terminals AC Coil Voltage 120V AC 2 2 0 A K6 3TH4040-OAK6 3TH4022-OBB4 Relays With Screw |
![]() Siemens |
![]() |
45 | 3TH4013-0A | Control Relays Control Relays 3TH4 Fixed Contacts Type Ordering Information ᮣ Selection ᮣ ᮣ Determine the number of contacts, AC or DC, then select Catalog Number. Complete Catalog Number by adding Coil suffix from table below. Replacement Parts see page 882. 3TH40 Relay Type 2 NO 2 NC Terminals AC Coil Voltage 120V AC 2 2 0 A K6 3TH4040-OAK6 3TH4022-OBB4 Relays With Screw |
![]() Siemens |
![]() |
44 | 3TH4013-0B | Control Relays Control Relays 3TH4 Fixed Contacts Type Ordering Information ᮣ Selection ᮣ ᮣ Determine the number of contacts, AC or DC, then select Catalog Number. Complete Catalog Number by adding Coil suffix from table below. Replacement Parts see page 882. 3TH40 Relay Type 2 NO 2 NC Terminals AC Coil Voltage 120V AC 2 2 0 A K6 3TH4040-OAK6 3TH4022-OBB4 Relays With Screw |
![]() Siemens |
![]() |
43 | 3TH4022-0A | Control Relays Control Relays 3TH4 Fixed Contacts Type Ordering Information ᮣ Selection ᮣ ᮣ Determine the number of contacts, AC or DC, then select Catalog Number. Complete Catalog Number by adding Coil suffix from table below. Replacement Parts see page 882. 3TH40 Relay Type 2 NO 2 NC Terminals AC Coil Voltage 120V AC 2 2 0 A K6 3TH4040-OAK6 3TH4022-OBB4 Relays With Screw |
![]() 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 |