





- Stock: In Stock
- SKU: TECH1272
This 4×5 Matrix Array 20 Key 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.