Matrix Keypad 4x4, Membrane type, Self Adhesive

Matt Finish, Sticker type, Looks great on enclosures.

Product Code 3927

Available We dispatch same day if ordered by 1PM (excluding holidays), then courier usually takes 2-5 days.
Real Time Availability
Ready Stock: 34 nos.
Factory Leadtime for more quantity: 15 days
Quantity Pricing
Quantity :
Price (Discount%)
1-49 :
Rs.78.00/- (0%)
50-99 :
Rs.74.10/- (5%)
100-499 :
Rs.70.20/- (10%)
500-999 :
Rs.68.64/- (12%)
1000+ :
Rs.66.30/- (15%)
Matrix Keypad 4x4, Membrane type, Self Adhesive
Sunrom Product Code for Ordering:

This 16-button keypad provides a useful human interface component for microcontroller projects. Convenient adhesive backing provides a simple way to mount the keypad in a variety of applications. The Keypad 4x4 features a total of 16 buttons in Matrix form. This is a membrane keypad with no moving parts. It has a nice overlay depicating a telephone type keypad with additional four functional buttons. A female 8-pin berg connector is provided for interfacing it with your mirocontroller circuits.  


  • Ultra-thin design
  • Adhesive backing
  • Excellent price/performance ratio
  • Easy interface to any microcontroller

Application Ideas

  • Security systems
  • Menu selection
  • Data entry for embedded systems

Key Specifications

  • Maximum Rating: 24 VDC, 30 mA
  • Interface: 8-pin access to 4x4 matrix
  • Operating temperature: 32 to 122 °F (0 to 50°C)
  • Dimensions: Keypad, 2.7 x 3.0 in (6.9 x 7.6 cm)


  • Cable Length: 3-1/3" or 85mm (include connector)
  • Weight: 8g
  • Connector: Dupont 8 pins, 0.1" (2.54mm) Pitch
  • Mount Style: Self-Adherence
  • Max. Circuit Rating: 24VDC, 30mA 
  • Insulation Spec.: 100M Ohm, 100V
  • Dielectric Withstand: 250VRms (60Hz, 1min)
  • Contact Bounce: <=5ms
  • Life Expectancy: 1 million closures
  • Operation Temperature: -20 to +40 °C

How it Works
Matrix keypads use a combination of four rows and four columns to provide button states to the host device, typically a microcontroller. Underneath each key is a pushbutton, with one end connected to one row, and the other end connected to one column. These connections are shown below.


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