Keyboard Switches

Keyboard Switches or Key switches are an on/off electronic switch that is only on when there is some pressure put on it or when the button is pressed. As soon as the tactile switch button is released and the pressure has been took off, the circuit is then broken. Keyboard switches work with user interaction with the button or switch when it makes contact with the control panel beneath, most cases this is usually a printed circuit board (PCB). Keyboard switches are mostly used for computer keyboards, once the user presses the key on the keyboard this will press the switch down. Once the switch has been pressed down this will then send a signal to the computer telling it that you have pressed that specific key.
Keyboard switches are an electromechanical switch for:-
• Keyboards
• Keypads
• Instruments
• Interface control panel applications
There are many types of electric tactile switches available and these are:-
• SPST (Single Pole Single through)
• SPDT (single pole double throw)
• DPST (double pole, single throw)
• DPDT (double pole double throw)

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Description Price Contact Configuration Contact Current Rating Operating Force Illuminated Switch Operation Mechanical Life Per Key Contact Resistance IP Rating Minimum Operating Temperature Maximum Operating Temperature Actuator Colour Contact Material Operating Temperature Range Voltage Rating
RS Stock No. 607-7810
Mfr. Part No.6425.0101
BrandMarquardt
TWD129.00
Each
units
SP-NO 100 mA @ 28 V dc - - - - - - -20°C +70°C - - -20 → +70°C -
RS Stock No. 787-4858
Mfr. Part No.K12C 1 5N
BrandC & K
TWD150.00
Each
units
Single Pole Single Throw (SPST) 100 mA @ 30 V dc 5 N - Momentary 10⁶Operations 50mΩ IP67 -40°C +85°C - Tin Plated -40 → +85°C -
RS Stock No. 283-9945
Mfr. Part No.STTSKHWAC
TWD15.80
Each (In a Pack of 5)
units
SPST-NO 50 mA @ 12 V ac 1.57 N - - 1000000Operations - - - - - Metal - -
RS Stock No. 301-5235
Mfr. Part No.1241.1104.7097
BrandSchurter
TWD235.00
Each
units
Single Pole Single Throw (SPST) 125 mA @ 48 V dc 3 N - Momentary 1000000Operations - - - - Black Silver - -
RS Stock No. 283-9692
Mfr. Part No.STTSKHCAC
TWD14.40
Each (In a Pack of 5)
units
SPST-NO 50 mA @ 12 V ac 2.55 N - - 500000Operations - - - - - Metal - -
RS Stock No. 283-9951
Mfr. Part No.STTSKHWAA
TWD13.80
Each (In a Pack of 5)
units
SPST-NO 50 mA @ 12 V ac 1.57 N - - 1000000Operations - - - - - Metal - -
RS Stock No. 173-9857
Mfr. Part No.1241.1104.7.095
BrandSchurter
TWD110.80
Each (In a Box of 100)
units
Single Pole Single Throw (SPST) 125 mA @ 48 V dc 3 N - Momentary 1000000Operations - - - - Green Silver - -
RS Stock No. 174-3073
Mfr. Part No.SERL BK RD AU EE
BrandC & K
TWD388.00
Each
units
Single Pole Double Throw (SPDT) 10 mA@ 24 V dc - - Latching - - - -25°C +85°C - Gold -25 → +85°C -
RS Stock No. 173-9855
Mfr. Part No.1241.1100.7.097
BrandSchurter
TWD201.20
Each (In a Box of 100)
units
Single Pole Single Throw (SPST) 125 mA @ 48 V dc 3 N - Momentary 1000000Operations - - - - Black Silver - -
RS Stock No. 174-3017
Mfr. Part No.SERL BK GN AU OA
BrandC & K
TWD199.00
Each
units
Single Pole Double Throw (SPDT) 10 mA@ 24 V dc - - Non-Latching - - - -25°C +85°C - Gold -25 → +85°C -
RS Stock No. 174-2907
Mfr. Part No.SETL RD RD AU OA
BrandC & K
TWD189.00
Each
units
Single Pole Double Throw (SPDT) 10 mA@ 24 V dc - - Non-Latching - - - -25°C +85°C - Gold -25 → +85°C -
RS Stock No. 231-3140
Mfr. Part No.3FTL6+1D06
BrandMEC
TWD187.00
Each
units
Single Pole Single Throw (SPST) 50 mA @ 24 V dc - - Momentary 10000000Operations 50mΩ IP67 -40°C +115°C White - -40 → +115°C -
RS Stock No. 173-9854
Mfr. Part No.1241.1100.7.095
BrandSchurter
TWD203.20
Each (In a Box of 100)
units
Single Pole Single Throw (SPST) 125 mA @ 48 V dc 3 N - Momentary 1000000Operations - - - - Green Silver - -
RS Stock No. 211-2329
Mfr. Part No.SETL BK RD AU OA
BrandC & K
TWD218.00
Each
units
Single Pole Double Throw (SPDT) 10 mA @ 24 V dc 1.5 N - Momentary 5 x 10^6Operations 50mΩ - -25°C +85°C Black Gold -25 → +85°C -
RS Stock No. 231-3213
Mfr. Part No.3FTL640+1F091
BrandMEC
TWD319.00
Each
units
Single Pole Single Throw (SPST) 50 mA @ 24 V dc - Yes Momentary - - - -40°C +160°C Black - -40 → +160°C -
RS Stock No. 283-9664
Mfr. Part No.STTSKHCAA
TWD15.80
Each (In a Pack of 5)
units
SPST-NO 50 mA @ 12 V ac 1.274 N - - 1000000Operations - - - - - Metal - -
RS Stock No. 283-9670
Mfr. Part No.STTSKHCAB
TWD14.40
Each (In a Pack of 5)
units
SPST-NO 50 mA @ 12 V ac 1.274 N - - 1000000Operations - - - - - Metal - -
RS Stock No. 793-1712
Mfr. Part No.MDPS LFS
BrandC & K
TWD78.00
Each
units
Single Pole Single Throw (SPST) 100 mA @ 100 V dc 2.6 N No Momentary - 10Ω - -25°C +70°C Grey - -25 → +70°C -
RS Stock No. 173-9856
Mfr. Part No.1241.1104.7.093
BrandSchurter
TWD110.80
Each (In a Box of 100)
units
Single Pole Single Throw (SPST) 125 mA @ 48 V dc 3 N - Momentary 1000000Operations - - - - Red Silver - -
RS Stock No. 793-1774
Mfr. Part No.SER GY AU OA
BrandC & K
TWD164.00
Each
units
Single Pole Single Throw (SPST) 10 mA @ 24 V dc 1.5 N No (On)-On - 50mΩ - -25°C +80°C Grey Gold -25 → +80°C -