In the realm of modern electronics, where extreme slimness and high functional density are paramount, the spatial footprint and performance reliability of every component are critical. Shenzhen Kinghelm understands this deeply. Our KH-4.5X4.5X6H-STM tactile switch is engineered precisely to meet the stringent demands of miniaturized devices for high-quality switching solutions. Combining a compact structure, exceptional durability, and excellent usability, this switch stands as the ideal choice for engineers seeking reliable user interaction within confined spaces.

Kinghelm KH-4.5X4.5X6H-STM Product Image

Precision Engineering: Compact Size Delivering Stable Performance

The core advantage of the KH-4.5X4.5X6H-STM lies first in its compact and meticulously crafted design. Its nomenclature clearly reflects its dimensions: measuring just 4.5mm in length and width, with a height of 6mm, it occupies minimal space on the PCB, offering exceptional flexibility for internal product design. The switch features a highly recognizable circular black button cap, providing not only a comfortable and definitive tactile feel but also a sleek black appearance that integrates seamlessly into various device aesthetics. Designed for efficient manufacturing, its Surface Mount (SMT) installation perfectly aligns with modern automated assembly processes, significantly enhancing production efficiency and assembly consistency.

Performance is the cornerstone of Kinghelm products. This switch employs the classic Single Pole Single Throw (SPST) circuit structure, ensuring a clear, simple circuit and reliable signal transmission. Particularly noteworthy is its excellent mechanical life, meaning the switch can endure tens of thousands of repeated presses by the user while maintaining stable operation, providing a solid foundation for the long-term durability of the end product. Its gull-wing leads represent another highlight in usability. This lead shape offers good self-alignment capability and reliable solder joint strength during reflow soldering, effectively reducing defect rates in the production process.

Reliable Quality, Enabling Diverse Applications

Kinghelm consistently uses high-quality materials in manufacturing the KH-4.5X4.5X6H-STM. Every detail, from the precise internal contact mechanism to the robust external housing, undergoes strict quality control. This commitment ensures the switch's stability and consistency across various operating environments. This dedication to quality transforms the tactile switch from a simple on/off component into a vital element of the device's overall reliability.

Thanks to its small size, lightweight nature, and stable, reliable performance, the KH-4.5X4.5X6H-STM boasts an extremely wide range of applications. It is commonly found in portable consumer electronics with stringent space requirements, such as side buttons on smartphones, function controls for Bluetooth headphones, and operation panels on portable music players. It is also widely used in computers and peripherals (e.g., keyboards, portable monitor buttons), digital imaging equipment (camera, camcorder control buttons), smart home remotes, industrial control panels, and various small instruments and meters. In these devices, it reliably handles critical operational commands like power switching, mode selection, and function confirmation.

Smart Usage Practices for Extended Product Life

To ensure the KH-4.5X4.5X6H-STM delivers optimal performance and enjoys a long service life, we remind users to observe the following practices: Please avoid using the switch in persistently humid environments, under extreme high temperatures, or where abnormal high pressure exists, as these conditions can accelerate material aging or affect internal contact. Operate the switch by applying appropriate force to the button; avoid excessive or violent pressure that could damage the internal mechanism. Non-professionals should refrain from disassembling or modifying the switch, as this may compromise its sealing or internal precision, affecting functionality and safety.

Kinghelm: Excellence Manifested in the Minute Details

The KH-4.5X4.5X6H-STM tactile switch epitomizes Shenzhen Kinghelm Electronics' expertise in the field of miniaturized components. It masterfully integrates extreme compactness (4.5×4.5×6mm), circuit reliability via SPST design, superior solderability from gull-wing leads, and durability guaranteed by a long mechanical life. Whether facing the ever-evolving challenge of thinner consumer electronics or the rigorous demands for stable operation in industrial equipment, this switch
provides a trustworthy solution.

Kinghelm KH-4.5X4.5X6H-STM Specification

Shenzhen Kinghelm remains committed to focusing on the forefront of electronic connection and sensing technology. Through meticulously crafted fundamental components like the KH-4.5X4.5X6H-STM, we empower global customers to create electronic products with superior performance and enhanced user experiences. Within the tiniest spaces, we connect infinite possibilities. Choose Kinghelm – choose a foundation of reliability built upon excellence in the minute details.

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.