The KH-12X12X4.3H-SMT-D tactile switch by Kinghelm is an ultra-thin surface-mount device (SMD) designed to meet the space-saving demands of modern electronics. With a standard footprint of 12mm × 12mm and a remarkably low height of just 4.3mm, this switch helps reduce the overall thickness of devices while maintaining excellent reliability and tactile feedback—making it the ideal component for lightweight and compact end-product designs.

Kinghelm KH-12X12X4.3H-SMT-D Product Image

Built with SMD packaging technology, this model is fully compatible with automated SMT production lines, significantly improving assembly efficiency and reducing lead times. It is a vital element in streamlined, modern electronics manufacturing.

The standout feature of this model is its ultra-low profile. The 4.3mm height makes it perfect for slim-profile applications such as ultra-thin remote controls, wearable smart devices, portable medical equipment, smart speakers, and tablet accessories. Despite its compact structure, the Kinghelm KH-12X12X4.3H-SMT-D tactile switch retains a satisfying keypress feel, delivering crisp and accurate feedback while minimizing false triggers. Its SMD design supports reflow soldering and high-temperature processing, ensuring structural and functional stability even on high-speed production lines.

Beyond its compact structure, this switch excels in materials and environmental compliance. It is fully RoHS-compliant, free from harmful heavy metals, and aligns with global standards for green manufacturing. Built with high-performance conductive materials and a robust mechanical structure, the switch offers an extended operating lifespan—capable of withstanding tens of thousands of actuations—making it suitable for high-frequency use scenarios. Weighing just 0.7552 grams, its lightweight design contributes to reducing the overall device weight, especially beneficial for projects with strict weight control requirements.

From a market application standpoint, the KH-12X12X4.3H-SMT-D tactile switch finds broad usage across consumer electronics, communication terminals, industrial control systems, automotive electronics, and smart wearables. Whether used as a primary control key or a secondary function button, it consistently delivers stable electrical performance and a smooth user experience. In today’s market, where end-user devices prioritize aesthetics, slimness, and portability, the KH-12X12X4.3H-SMT-D stands out as a preferred switch solution among device manufacturers.

As a leading brand in China’s electronic components industry, Kinghelm is known for its commitment to quality and innovation. Its line of tactile switches has been widely adopted by both domestic and international brands, earning a strong reputation. The KH-12X12X4.3H-SMT-D is a flagship product in this lineup, meeting rigorous industrial-grade demands while fully aligning with consumer electronics' dual requirements of user experience and environmental responsibility.

Kinghelm KH-12X12X4.3H-SMT-D Specification

In conclusion, the Kinghelm KH-12X12X4.3H-SMT-D tactile switch offers a compelling combination of ultra-thin design, superior environmental adaptability, and robust mechanical performance. It provides designers with a reliable, performance-driven component that supports both the functional and aesthetic goals of modern devices. As a high-quality switch solution, it empowers a wide range of smart electronics—driving innovation toward more efficient, lightweight, and eco-conscious designs.

About Kinghelm

Shenzhen Kinghelm Electronics Co., Ltd.（www.kinghelm.net）has technical backbones from Tsinghua University and UESTC, and has introduced overseas returnee professionals. Kinghelm is able to develop highly reliable and high-performance antenna and connector products.KH series products of "Kinghelm" brand include Beidou/GPS antennas, RF adapter connectors, plug connector, electrical data connectors, terminals, and customized vehicle harnesses, industrial / medical connectors, and special antenna connectors."Kinghelm connects world", Kinghelm has grown with the development of China's Beidou industry. Starting from supplying Beidou/GPS dual mode antennas, IPEX terminals, and RF adapter cables for automotive manufacturers, Kinghelm has continuously developed products. Currently, it has a series of WiFi, Bluetooth, NB-loT, LoRa, Zigbee, UWB, and GSM antennas, RFID tags, RF adapter cables, standard microwave antennas, vehicle grade SMA, SMB, FAKRA holders, coaxial cables, and can customize non-standard antenna connectors based on customer drawings or samples.

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