4×4 Matrix 16-Key Membrane Switch Keypad
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4×4 Matrix 16-Key Membrane Switch Keypad

$2.95
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TeknoCrafters FA4043 4×4 Matrix 16-Key Membrane Switch Keypad The TeknoCrafters FA4043 is a compact 4×4 matrix membrane switch keypad featuring 16 tactile keys, ideal for seamless integration with Arduino, Raspberry Pi, and other microcontroller-based platforms. Its slim membrane construction and adhesive backing make it a preferred choice for projects that demand both reliability and space efficiency. Product Overview With clearly labeled tactile keys in a standard 4×4 layout, this keypad provides a straightforward interface for user input. It’s perfect for tasks like numeric entry, menu selection, and password input in embedded systems. The flexible, durable membrane allows the keypad to be mounted in a variety of enclosures or directly on panels using its built-in adhesive backing. Key Features 4×4 matrix layout with 16 responsive keys Compatible with Arduino, Raspberry Pi, and other microcontrollers 8-pin female header connector for easy interfacing Slim profile with adhesive backing for quick installation Ideal for compact control panels, security systems, and custom projects Technical Specifications Circuit Rating: 35V DC, 100mA, 1W Contact Resistance: 10Ω–500Ω (varies by lead length and material) Insulation Resistance: ≥100MΩ at 100V Dielectric Withstand Voltage: 250V RMS (50–60Hz for 1 minute) Contact Bounce Time: ≤5ms Operating Force: 150–200N Key Travel: 0.6–1.5mm Keypad Dimensions: 6.9 × 7.6 cm Cable Length: Approximately 8.5 cm Operating Temperature Range: 0°C to 50°C Storage Temperature Range: -40°C to 80°C Humidity Tolerance: 90%–95% RH at 40°C for 240 hours Vibration Resistance: 20G max (10–200Hz per MIL-STD-202) Key Lifespan: Over 1 million actuations Application Scenario Whether you're designing a PIN entry system for access control, building a handheld interface for a robotics project, or developing a custom menu input device, the FA4043 provides durable, responsive input in a compact format. Its reliable performance and ease of use make it a go-to solution for both professional and hobbyist applications. Authorized Distribution Tri-Tek Electronics is an authorized distributor of TeknoCrafters products, providing genuine components backed by the full manufacturer warranty. Our retail location in Mesa, AZ serves the entire Phoenix metro area—including Tempe, Chandler, Gilbert, Glendale, and Scottsdale—with the best pricing, factory support, and in-stock availability.

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