4x4 Membrane Matrix Keypad - 16 Button Keypad

This 16-button Membrane Matrix Keypad is a versatile input device designed to enhance your projects. With its adhesive backing, it can be conveniently mounted. The keypad functions optimally within a temperature range of -20 to +50 degrees Celsius and has a contact resistance of 100 ohms. It is designed to interface seamlessly with any microcontroller.

Technical Specifications:

• Dimensions: 68.9 x 76 x 0.8mm
• Cable Length: 85mm (including connector)
• Connector: Dupont 8 pin, 0.1 inch (2.54mm)
• Weight: 7g
• Contact Resistance: 500Ω
• Insulation Resistance: 100MΩ
• Key Operating Force: 150-200N
• Rebound Time: 1ms
• Life Span: 100 million times
• Operating Temperature: -40 to 80°C

Electrical Characteristics:

• Circuit Rating: 35V (DC), 100mA, 1W
• Contact Resistance: 10 ~ 500Ω
• Insulation Resistance: 100MΩ at 100V
• Dielectric Strength: 250VRms (50 ~ 60Hz, 1min)
• Electric Shock Jitter: <5ms
• Life Span: Tactile type: one million times

Mechanical Properties:

• Operating Pressure: Touch feeling: 170 ~ 397g (6 ~ 14oz)
• Switch Travel: Touch-type: 0.6 ~ 1.5mm

Environmental Parameters:

• Operating Temperature: -40 to 80°C
• Storage Temperature: -40 to 80°C
• Humidity: from 40, 90% to 95%, 240 hours
• Vibration: 20G, max. (10 ~ 200Hz, the Mil-SLD-202 M204.Condition B)