In the continuous pursuit of thinness and lightness in electronic devices, Shenzhen Kinghelm Electronics Co., Ltd. has launched the KH-12X12X6H-SMT-D tactile switch, which is reshaping the industry standard with its breakthrough 6mm ultra-thin height. This micro switch, which adopts surface mount technology (SMT), with a precise package of 12×12 millimeters and an extremely light weight of only 0.8367 grams, provides a brand-new touch solution for space-sensitive products such as smart wearable devices, in-vehicle control systems and medical instruments. 

 Kinghelm KH-12X12X6H-SMT-D Product Image

Behind the exquisite design of KH-12X12X6H-SMT-D lies rigorous engineering wisdom. Its interior adopts gold-plated copper alloy contacts, with the contact resistance stably controlled within 50mΩ and the insulation impedance as high as 100MΩ, ensuring the absolute reliability of signal transmission. The optimized key structure offers a scientific trigger force of 160gf±20gf, combined with a precise travel design of 0.3mm, achieving clear tactile feedback and a comfortable operation feel within a limited space. Particularly commendable is its environmental adaptability - it has been verified through a wide temperature range of -40℃ to +85℃, capable of withstanding extreme temperature changes in automotive electronic cabins and can operate stably for over 500 hours in a high-temperature and high-humidity environment of 85℃/85%RH.

 Kinghelm KH-12X12X6H Specification

The manufacturing process of this tact switch demonstrates Kinghelm dedication to quality. The fully automated SMT production line ensures that the mounting accuracy of each switch reaches ± 0.15mm, supports the 260℃ peak reflow soldering process, and is perfectly compatible with the J-STD-020 standard. The bagged packaging design significantly enhances the feeding efficiency of the surface mount technology (SMT) machine and helps customers reduce assembly costs by more than 30%. In terms of sustainability, the product fully complies with the RoHS2.0 and REACH environmental protection directives. The halogen-free materials (bromine/chlorine content ≤900ppm) meet the requirements of the EU automotive ELV directive, helping global customers achieve their green manufacturing goals.

The manufacturing process of this tact switch demonstrates Kinghelm dedication to quality. The fully automated SMT production line ensures that the mounting accuracy of each switch reaches ± 0.15mm, supports the 260℃ peak reflow soldering process, and is perfectly compatible with the J-STD-020 standard. The bagged packaging design significantly enhances the feeding efficiency of the surface mount technology (SMT) machine and helps customers reduce assembly costs by more than 30%. In terms of sustainability, the product fully complies with the RoHS2.0 and REACH environmental protection directives. The halogen-free materials (bromine/chlorine content ≤900ppm) meet the requirements of the EU automotive ELV directive, helping global customers achieve their green manufacturing goals. 

To ensure the product achieves the best performance, Kinghelm offers professional engineering guidance: It is recommended to use the infrared reflow soldering process, with the preheating slope controlled at ≤3℃/ second and the time above the liquid phase maintained for 50-70 seconds. When in use, resistive loads exceeding 50mA@12VDC should be avoided to prevent contact overload damage. During the installation process, it is necessary to ensure that the forward pressing force is applied, and the lateral mechanical stress must not exceed 3N. The storage environment is recommended to be maintained within the range of -10℃ to 40℃ and a humidity of 30% to 70%RH. The sealed packaging has a validity period of 12 months. These rigorous parameter management measures are precisely the cornerstone for the product to maintain long-term stability in high-end equipment.

 As a commitment to quality, Kinghelm establishes a comprehensive test file for each batch of switches: 100,000 life tests simulate real pressing scenarios, 96-hour salt spray tests verify corrosion resistance, and 1,000 cold and heat shock tests at -40℃↔85℃ ensure material stability. The company is equipped with an EMC laboratory and a laser 3D inspection instrument, which can provide a 72-hour rapid sample customization service (with optional gold-plated/silver-plated contacts), helping customers meet special application requirements.

Today, as miniaturization has become the main theme of the electronics industry, the tactile switch KH-12X12X6H-SMT-D, with an ultimate height of 6 millimeters, interprets the design philosophy of "small size, big achievement". It is not only a savior for space-constrained equipment, but also a culmination of reliability and environmental protection concepts. Kinghelm Electronics will continue to focus on the microelectronics field, empower the evolution of smart hardware with innovative technologies, and jointly open a new chapter of human-computer interaction with global partners.

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.