5 × 4 Illuminated Membrane Keypad

The Keetronics 5 × 4 Illuminated Membrane Keypad (KIPL 23-5973) is a compact and durable Human-Machine Interface (HMI) solution developed for mission-critical applications requiring reliable operation in harsh environments. Designed and manufactured by Keetronics, this keypad combines robust construction, tactile feedback, and integrated backlighting to enhance usability in both daylight and low-light operating conditions.

The keypad features a 5 × 4 key matrix layout with 20 functional keys, making it ideal for defense systems, communication equipment, industrial controllers, test instruments, transportation systems, and embedded electronics. Integrated white LED illumination improves visibility and operational accuracy in dimly lit environments.

Constructed using a multi-layer membrane architecture with embossed graphics, fabric mesh, spacers, light separator layers, and gold-flash PCB technology, the keypad offers excellent durability and consistent tactile response. Its IP67-rated design provides protection against dust and moisture when properly integrated into the final equipment assembly.

With a life expectancy of over one million operations and reliable performance across a wide operating temperature range, the KIPL 23-5973 is an ideal choice for rugged and professional electronic systems.