In today’s rapidly evolving RF communication landscape, demands for connector performance, stability, and longevity are higher than ever—especially in high-frequency, high-speed data transmission environments. The KH-SMA-KEB16.5-P1.7 model from Kinghelm is a reverse polarity, half-thread straight SMA female connector with a male pin and offset PCB mount design. With its 16.5mm standard length, 1.7mm leg pitch, excellent 48-hour salt spray test results, and high-reliability plug-in assembly process, this connector not only meets diverse electrical connection requirements but also offers outstanding mechanical stability and environmental resilience—making it a vital component in modern RF systems.

Kinghelm KH-SMA-KEB16.5-P1.7 Product Image

As part of the SMA RF coaxial connector series, the Kinghelm KH-SMA-KEB16.5-P1.7 SMA connector features a reverse polarity design to prevent mismating and misconnection, significantly enhancing connection safety. The half-thread straight female structure ensures quick installation and reliable locking, ideal for space-constrained designs. The unique offset leg design with a 1.7mm pitch enhances soldering stability and strengthens mechanical engagement with the PCB, maintaining a firm and reliable connection even under long-term vibration or thermal cycling—mitigating risks of cold solder joints or loosening.

On the materials and process side, the connector is made with high-conductivity copper terminals, enhanced with advanced surface treatment techniques to reduce contact resistance and ensure efficient signal transmission. It passes the 48-hour salt spray test, demonstrating superior corrosion resistance, making it especially suitable for use in high-humidity or high-salinity industrial or outdoor communication environments. Backed by Kinghelm’s stringent quality control system, each batch is thoroughly tested to ensure consistent performance and long-term reliability.

Applications for the KH-SMA-KEB16.5-P1.7 SMA connector include wireless communication devices, WiFi modules, industrial routers, drone communication systems, surveillance antennas, IoT terminals, and smart home systems. With its exceptional performance, compact form factor, and lightweight design, it supports today’s trend toward miniaturized electronics while giving engineers greater layout flexibility. As 5G, BeiDou navigation, and the Industrial IoT continue to grow, demand for high-performance SMA connectors is accelerating—positioning the KH-SMA-KEB16.5-P1.7 as a practical yet forward-looking solution that balances premium features with mass-market accessibility.

Notably, Kinghelm, a long-established brand in RF connectivity, continues to innovate across its SMA connector series and offers a comprehensive range of RF accessory products. This includes antennas, RF cables, terminals, pin headers, PCB connectors, and GPS/BeiDou antenna modules, providing customers with a one-stop sourcing solution. For system integrators and solution providers, this platform-based approach significantly enhances product compatibility while reducing procurement costs and operational complexity.

Kinghelm KH-SMA-KEB16.5-P1.7 Specification

In summary, the Kinghelm KH-SMA-KEB16.5-P1.7 is not only a technically advanced RF connector, but also a standout product with strong market adaptability and customer trust. Its outstanding electrical performance, smart mechanical design, and high environmental tolerance make it an ideal choice for high-reliability communication systems.

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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