4×4 Matrix Keypad Membrane Switch for Arduino, ARM and other MCU

This DC 12V 44 Matrix Keypad Membrane Switch is a premium soft-touch button keypad with a lifespan of 100 million strokes and exceptional environmental resistance. 
For your application needs, this DC 12V 44 Key Matrix Membrane Switch Keypad is a high-quality product at a very reasonable price. 
For microcontroller applications, this 16-button keypad serves as a valuable human interface component. The keypad comes with a useful adhesive backing that makes it easy to mount in a variety of situations. 
There are a total of 16 buttons in a matrix configuration on the Keypad 44. This keyboard has no moving parts; it is a membrane keypad. To interface it with your microcontroller circuits, you need a female 8-pin Berg connector.

Specifications

·       Voltage(V): DC 35V

·       Operating Current: 0.1A

·       Contact Resistance: 500Ω

·       Insulation Resistance (MΩ): 100

·       Dielectric Strength: 250VRms

·       Ultra-thin design & adhesive backing provides easy integration to any project

·       Easy communication with any microcontroller

·       5 pins 2.54mm pitch connector, 4×4 type 16 keys.

·       Sticker can peel off for adhesive mounting.

·       Used widely in industrial and home electronic equipments, instrument, etc.

·       This allows a microcontroller to ‘scan’ the 7 output pins to see which of the 12 buttons is being pressed

·       Length (mm):165

·       Width (mm):70

·       Height (mm):1

·       Ribbon cable length (mm):90

·       Weight: 7g.