20 4×5 key switch Membrane Matrix KeyPad Arduino PIC Pi ARM UK Seller UK Stock
Our membrane keypad provides 20 keys on an 9-socket connector using a matrix system to detect which key has been pressed.
The matrix keypad is wired via a flexible ribbon to an 9 header socket.
The keypad can be stuck to a hard surface using the sticky pad provided to provide a hard backing to the keypad – making it easier to press and use the keys.
Perfect for adding user input to your projects or as a replacement to worn keypads.
Max circuit rating: DC 35V, 100mA
Dielectric withstand: 250VRms (50-60Hz, 1 min)
Insulation resistance: > 100M Ohm, 100V
Contact bounce: <=5ms
Life expectancy: 1 million closures
Operating temperature: -40 ~ +80°C
Connector type: 9 pin
Total length: 178 mm
Cable length: 104mm (including connector)
Size: 85mm x 73mm x 1mm
Optional: We can supply 9 pin headers that are suitable for plugging into the connector on the end of the keypad ribbon. We offer both straight and right angle headers. They are a standard 0.1″ pitch from pin to pin.
|Straight 9 pin header
|Right angle 9 pin header
**** Important note **** Some sellers claim the stock is in the UK, please be careful, the seller is often in China and sends the item to a UK agent who then forwards the item on with a UK stamp. Check where the seller is located not just the item location. All my items are physically with me, here in the UK and I offer a quick delivery and communication within the UK.
During busy periods there maybe a delay in delivering your package by Royal Mail. I apologies in adavnce for any inconvenience but would like to point this out before you place your order.