This 4×5 20 Key Matrix Membrane Switch Keypad Keyboard is a high-quality soft-touch feeling button keypad with 100 million life-stroke lifespans and good resistance to environmental conditions. This DC 12V 4×5 Key Matrix Membrane Switch Keypad is a high-quality product at a very low cost for your application needs. This 20-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 4×5 features a total of 20 buttons in Matrix form. This is a membrane keypad with no moving parts. A female 9-pin berg connector is required for interfacing it with your microcontroller circuits. Features : Ultra-thin design & adhesive backing provides easy integration to any project Excellent price-performance ratio Easy communication with any microcontroller 5 pins 2.54mm pitch connector, 4×5 type 20 keys. The sticker can peel off for adhesive mounting. Used widely in industrial and home electronic equipment, instrument, etc. This allows a microcontroller to ‘scan’ the 9 output pins to see which of the 20 buttons is being pressed. Specifications: Voltage(V): DC 35V Operating Current (A): 100mA Contact Resistance: 100mΩ (Max.) Insulation Resistance (MΩ): 100 Dielectric Strength: 250VRms Operating Temperature Range (°C): -40 to 80 Storage condition (℃): -40 to 80 Length (mm): 180 Width (mm): 85 Height (mm): 1 Weight (gm): 8 Package Includes : 1 x 4×5 Matrix Array 20 Key Membrane Switch Keypad.
