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 Priced to Clear
RS Stock No. 174-3017
Mfr. Part No.SERL BK GN AU OA
BrandC & K
£3.82
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. 174-2862
Mfr. Part No.SET BK AU OA
BrandC & K
£3.42
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. 787-4849
Mfr. Part No.K12A BK 1 5N
BrandC & K
£3.12
Each
Units
Single Pole Single Throw (SPST) 100 mA @ 30 V dc 5 N - Momentary 10⁶Operations 50mΩ IP40 -40°C +85°C Black Tin Plated -40 → +85°C -
RS Stock No. 231-3128
Mfr. Part No.3FTL6+1D02
BrandMEC
£3.73
Each
Units
Single Pole Single Throw (SPST) 50 mA @ 24 V dc - - Momentary 10000000Operations 50mΩ IP67 -40°C +115°C Green - -40 → +115°C -
RS Stock No. 231-3213
Mfr. Part No.3FTL640+1F091
BrandMEC
£7.20
Each
Units
Single Pole Single Throw (SPST) 50 mA @ 24 V dc - Yes Momentary - - - -40°C +160°C Black - -40 → +160°C Yes
RS Stock No. 102-248
Mfr. Part No.D6C60 F1 LFS
BrandC & K
£0.86
Each
Units
SPST-NO 100 mA @ 32 V - - - - - - -20°C +85°C - - -20 → +85°C -
RS Stock No. 231-3207
Mfr. Part No.3FTL620+1F091
BrandMEC
£7.20
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. 174-2935
Mfr. Part No.SETL BK RD AU EE
BrandC & K
£11.58
Each
Units
Single Pole Double Throw (SPDT) 10 mA@ 24 V dc - - Latching - - - -25°C +85°C - Gold -25 → +85°C -
RS Stock No. 607-7810
Mfr. Part No.6425.0101
BrandMarquardt
£2.49
Each
Units
SP-NO 100 mA @ 28 V dc - - - - - - -20°C +70°C - - -20 → +70°C -
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