In today’s smart hardware, compact electronic devices, and RF communication fields, the reliability and flexibility of antenna connections are more critical than ever. The KH-221112-TP Antenna Spring Contact from Kinghelmstands out as a preferred solution for many electronics manufacturers, thanks to its refined design, premium materials, and exceptional performance. This article will dive into the product features, core advantages, and unique value of the KH-221112-TP in real-world applications.

Kinghelm KH-221112-TP Product Image

1. Ultra-Compact Design for Diverse Needs

The Kinghelm KH-221112-TP features an ultra-small package size of 2.2x1.1x1.2mm, making it easy to integrate into compact RF modules, wearable devices, IoT terminals, and automotive electronics. As smart devices increasingly demand optimal space utilization, miniaturization becomes a key competitive advantage. The KH-221112-TP was specifically developed to meet this market trend.

2. Premium Materials for High Reliability

Crafted from SUS301 stainless steel, this PCB Spring Contact delivers excellent wear resistance, corrosion resistance, and superior elastic recovery, effectively extending its service life. It has passed rigorous life cycle tests, supporting over 20,000 compression cycles while maintaining stable performance. Its spring force is kept within 60gf~80gf, ensuring sufficient contact pressure for efficient electrical conductivity and reliable RF performance.

3. Tape & Reel Packaging for Automated Production

To meet the demands of modern electronics manufacturing, the KH-221112-TP is supplied in tape & reel packaging. This design supports high-speed SMT assembly, improving production efficiency, reducing labor costs, and maintaining product consistency—minimizing quality risks caused by manual assembly errors.

4. Stable Performance Across Various Applications

Thanks to its precise structural design and high-quality materials, the KH-221112-TP maintains stable performance in diverse environments—from fast-moving wearables to automotive modules requiring long-term stability. It is widely used in smartwatches, Bluetooth headsets, tablets, automotive navigation systems, smart home controllers, industrial automation terminals, and more.

5. Trusted Brand, Assured Quality

Produced by Kinghelm—a renowned Chinese brand specializing in RF antennas, connectors, and spring contacts—the KH-221112-TP benefits from advanced manufacturing processes and strict quality control systems. With years of experience and innovation in RF connection solutions, Kinghelm ensures every product meets high-performance standards through rigorous testing and design optimization.

6. Small Size, Big Impact – Enabling Product Innovation

As 5G, IoT, and smart terminals rapidly evolve, electronic products face growing demands for smaller sizes, better performance, and competitive costs. With its compact form factor, durability, excellent conductivity, and stable elasticity, the KH-221112-TP helps engineers create thinner yet high-performing devices, giving products a competitive edge in the market.

Kinghelm KH-221112-TP Specification

In summary, the Kinghelm KH-221112-TP Antenna Spring Contact offers a perfect blend of compact size, excellent elasticity, long lifespan, and broad application adaptability. For businesses seeking smaller form factors, higher performance, and stable RF connections, the KH-221112-TP is a trusted, high-quality choice.

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.