1x4 Universal Matrix Membrane Switch Keypad

1x4 Universal Matrix Membrane Switch Keypad

1x4 Universal Matrix Membrane Switch Keypad :

• • 1x4 Universal Matrix Membrane Switch Keypad is a Non- Tactile type of Keypad
• • This Membrane Switch Keypad has 4 embossed keys that provide human interface with micro-controller & electronic Arduino circuit for various applications
• • 1x4 Universal Matrix Membrane Switch Keypad have a 5pin Female Burg Connector, Pitch 2.54mm
• • Size: 70mm x 20mm
• • Flexible Tail Length : 85mm
• • Generally 1x4 Universal Matrix Membrane Switch Keypad at R&D stage due to low cost & ready availability

1x4 Universal Matrix Membrane Switch Keypad consist of :

• • Graphic Overlay With Matt Finish & Embossed Buttons
• • Overlay Adhesive
• • Circuitry Layer – Flexible Printed Conductive Track
• • Spacer
• • Circuitry Layer – Flexible Printed Conductive Track
• • Rear Adhesive

Raw Material Used for 1x4 Universal Matrix Membrane Switch Keypad :

• • For Overlay –175micron LEXAN make Polycarbonate Film
• • For Circuitry Layer – Autotype CT4 Circuitry film
• • Rear Adhesive – 3M91091

Few Advantages of 1x4 Universal Matrix Membrane Switch Keypad

• • Non Tactile keypad hence very high Life Expectancy
• • Less contact bounce.
• • Scratch Proof
• • Longer Switch life and Greater Reliability
• • Use of Silver Conductive , carbon and insulation inks.
• • Easy Mounting-Self Adhesive
• • Low Cost
• • Life Expectancy – 1 million operation
• • Operating Voltage 35V DC
• • Operating Temperature -20 to 70°C
• • ROHS Compliant