Kinghelm RF Connectors and High-Speed Connectors Post Strong Sales in Huaqiangbei

Connectors are broadly classified by core function into power connectors, signal connectors, RF connectors (including IPEX series), fiber-optic connectors, and high-speed data connectors (including full USB series).

Established in Huaqiangbei, Shenzhen, in 2007 by Mr. Song Shiqiang, Kinghelm (www.kinghelm.net) leverages a technical team hailing from Tsinghua University and UESTC. The company has long specialized in RF and microwave applications, committing to the design, production, sales, and technical service of RF transceivers, data connectors, and interconnect systems.

Its flagship products—the KH-IPEX-K501-29 and KH-IPEX4-2020 RF coaxial connectors and the KH-TYPE-C-16P high-speed data connector—provide premium connectivity through precision-engineered design and high-frequency support, driving strong sales at Kinghelm’s three flagship stores in Huaqiangbei.

Kinghelm stores and international channel partners in Huaqiangbei

Kinghelm KH-IPEX-K501-29

The Kinghelm KH-IPEX-K501-29 is a high-quality, precision-machined IPEX inner-pin RF coaxial connector. It has one port, a 2 mm interface diameter, a 1.25 mm mating height, and an inner pin for stable, reliable RF signal transmission and connection. Gold plating provides strong corrosion resistance. Its individual gross weight is 0.093 g. It is supplied on tape and reel in an SMD package, with 50-ohm impedance, a maximum operating frequency of 6 GHz, and an operating temperature range of -40°C to +90°C.

Physical image of Kinghelm KH-IPEX-K501-29

The first-generation Kinghelm IPEX inner-pin RF coaxial connector KH-IPEX-K501-29 is designed for 50-ohm impedance and uses gold plating. It delivers strong VSWR performance from 0 to 6 GHz (1.3 max at 0.1-3 GHz and 1.4 max at 3-6 GHz) and contact resistance as low as 20 milliohms. Key features:

1. Low VSWR: Stable 50-ohm impedance enables low VSWR and minimizes signal loss and reflection.
2. Wide frequency range: A maximum frequency of 6 GHz supports products that operate across multiple frequency bands.
3. Precision design: A 2 mm interface diameter and 1.25 mm mating height support connector stability and reliability.
4. Temperature resistance: An operating range of -40°C to +90°C supports use in demanding environments.

Screenshot of the 3D product drawing for Kinghelm KH-IPEX-K501-29

Advantages of KH-IPEX-K501-29:

1. High-quality materials support connector stability and reliability.
2. Precision machining supports connector accuracy and performance.
3. The compact, lightweight design is easy to install and use.
4. High-temperature resistance supports use in demanding environments.

Kinghelm KH-IPEX-K501-29 datasheet

Applications:
1. Its compact size, light weight, high-temperature resistance, and reliable signal transmission make the KH-IPEX-K501-29 suitable for communications, electronics, aerospace, RF modules, antenna systems, and other fields. It plays a key role in mobile communications, satellite communications, and wireless network equipment.
2. Kinghelm's first-generation KH-IPEX-K501-29 can replace TE Connectivity 1909763-1 and is compatible with equivalent first-generation IPEX products from Hirose Electric (HRS).

Precautions:
1. Ensure that the connector interface is clean and free of debris before use.
2. Avoid excessive bending or pulling of the cable during use.
3. Protect the connector from moisture, heat, and pressure during storage.

"Kinghelm Connects the World." Kinghelm grew alongside the rapid development of China's BeiDou Navigation Satellite System (BDS). It began by supplying BeiDou/GPS dual-mode positioning modules, BDS/GPS antennas, IPEX connectors, SMA terminals, and RF adapter cables to manufacturers of tourist coaches, intercity buses, and hazardous-goods vehicles. Its product range now includes WiFi, Bluetooth, NB-IoT, LoRa, UWB, and GSM antenna series; RFID tags; RF adapter cables; industrial- and medical-grade RF and data connectors; SMA, SMB, and FAKRA RF receptacles; and coaxial cables. Chief Engineer Qin Xianghong said Kinghelm has obtained ISO 9001 quality management and ISO 14001 environmental management system certification, as well as RoHS, REACH, and Dun & Bradstreet certification. IATF 16949 automotive quality certification and UL and TUV product qualifications are in the application process.

Kinghelm KH-IPEX4-2020

The Kinghelm KH-IPEX4-2020 is a high-quality IPEX-series inner-pin board connector with one port, a 1.5 mm interface diameter, and an inner pin. It provides strong RF performance and stability. Its individual gross weight is 0.065 g. It is supplied on tape and reel in an SMD package, with 50-ohm impedance, a maximum operating frequency of 6 GHz, and an operating temperature range of -40°C to +90°C. The fourth-generation Kinghelm IPEX inner-pin RF coaxial connector KH-IPEX4-2020 offers high quality, reliability, and stability, with strong performance in high-speed data and signal transmission, delivering easier and more efficient connections. Key features:

1. IPEX-series connector with strong RF performance.
2. Inner-pin board connector designed for easy installation and use.
3. 50-ohm impedance with very low return loss and strong VSWR performance.
4. A 1.5 mm interface diameter suits compact devices.
5. SMD packaging supports surface-mount assembly.
   

Screenshot of the 3D product drawing for Kinghelm KH-IPEX4-2020

Advantages of KH-IPEX4-2020:
1. High-quality materials and rigorous testing and validation support reliability and stability.
2. Precision machining supports RF performance.
3. The simple design makes installation and use easier for customers.
4. The compact structure uses little space and performs well in space-constrained applications.
5. Performance is protected in high-temperature, low-temperature, and humid environments.

Kinghelm KH-IPEX4-2020 datasheet

Applications:
The KH-IPEX4-2020 is popular for its compact size, light weight, and ease of installation. It is suitable for RF applications and can connect coaxial cables to board-level devices. It is widely used in communications, broadcasting, radar, navigation, aerospace, medical care, and other fields, as well as in compact devices such as mobile phones, tablets, and laptops.

Precautions:
Use the connector in a dry environment without corrosive gases. Avoid mechanical impact and vibration during use, and protect it from excessive temperature and humidity.
Kinghelm's production base (www.kinghelm.com.cn) has multiple automated production lines, including automatic wire cutting, terminal crimping, dispensing, and cable assembly equipment. Its experienced engineering team and well-trained workers support large-volume deliveries on time and with consistent quality. The Dongguan Tangxia facility is equipped with a microwave anechoic chamber, network analyzers, high-speed oscilloscopes, salt-spray testers, and high- and low-temperature test chambers. It can perform high- and low-temperature tests, damp heat testing at 85 C and 85% relative humidity, and antenna-signal tuning for smart hardware. Kinghelm has added data and electrical signal connectors, precision connectors, and terminal components. It develops products to specific customer requirements and accepts custom work for non-standard antenna ceramic elements, signal amplifier boards, and cable assemblies. It has produced navigation and positioning antennas and wiring harnesses for automotive and motorcycle manufacturers and dustproof, waterproof, and explosion-proof connectors for industrial and medical customers.

Kinghelm KH-TYPE-C-16P

Physical image of Kinghelm KH-TYPE-C-16P

The Kinghelm KH-TYPE-C-16P is a USB Type-C 16-pin horizontal surface-mount female receptacle with one port and a 7.81 mm body length. Built around a full-function 16-pin layout and 5 A high-current capacity, it provides a high-speed, highly reliable Type-C connection for smart devices. Gold plating provides strong environmental stability. Its individual gross weight is 0.604867 g. It is supplied on tape and reel in an SMD package, with a rated voltage of 30 V and an operating temperature range of -40°C to +85°C.

The Kinghelm KH-TYPE-C-16P uses an SMD package and tape-and-reel packaging, making it suitable for automated SMT lines. It supports USB 3.1 data rates up to 10 Gbps, reversible insertion, and high-speed data transfer. Its mating cycle rating is at least 10,000 cycles, and its maximum data-transfer rate is 10 Gbit/s. Key features:

1. Full function: A full-function 16-pin contact layout.
2. High current: 5 A high-current capacity.
3. Precision construction: Gold-plated terminals resist oxidation.
4. Space saving: A horizontal surface-mount design saves space.

Kinghelm product poster on the column at the second Huaqiangbei store

Kinghelm and Slkor have maintained close ties with Huaqiangbei and have opened three stores there. The stores recently completed an image upgrade: display screens now loop company videos and product materials, store visuals have been improved, product shelving has been standardized, and the professionalism and consistency of the Slkor and Kinghelm brands have been strengthened. Popular Kinghelm models in Huaqiangbei include KH-6X6X6H-STM, KH-IPEX-K501-29, KH-6X6X5H-STM, KH-6X6X5H-Z2J, KH-3216-H0209, KH-VH-PT3.96, and KH-SMA-P-8029. Kinghelm and Slkor (www.slkoric.com) work in close coordination, supplying products and technical support to tens of thousands of customers worldwide alongside Slkor's electronic components, sensors, TVS diodes, power devices, and clock chips.

3D product image of Kinghelm KH-TYPE-C-16P

Advantages of KH-TYPE-C-16P:

• High-speed data transmission: The horizontal Type-C 16-pin receptacle with a four-corner board mount and dual retaining plates supports higher transfer rates and more stable connections.
• Fast charging: It supports a current path of up to 3 A and a maximum power output of 100 W for fast charging.
• Longer service life: Its contact current rating reaches a maximum of 3 A, its rated voltage reaches a maximum of 30 V, and its operating temperature range is -40 to +85 C, making it well suited to dual-mode mechanical keyboards.
• Convenient packaging and use: Reversible insertion removes the need to check plug orientation and makes use easier. The horizontal surface-mount design simplifies installation in a wide range of devices.

Kinghelm KH-TYPE-C-16P datasheet

Applications:
1. Dual-mode mechanical keyboards using the KH-TYPE-C-16P USB connector benefit from faster data transfer, more stable connections, longer service life, and faster charging, making the user experience more convenient and efficient.
2. The KH-TYPE-C-16P can replace HRO HanYoung (Korea) TYPE-C-31-M-12 and is widely used in ultra-thin laptops, tablets, smartphones, VR devices, industrial control modules, and other applications.

Precautions:
Peak reflow temperature must not exceed 260 C. Clean flux residue from the pads after soldering and avoid mechanical impact to the interface.
Kinghelm products are widely used in high-speed rail, new energy vehicles, wireless smart terminals, the Internet of Things, connected vehicles, smart cities, smart homes, industrial equipment, the industrial internet, and research and medical fields. Guided by its corporate values of integrity, continuous improvement, resilience, and attention to detail, and its business ethic of not imposing on others what one does not want for oneself, Kinghelm works under Song Shiqiang's leadership in RF and microwave signal and data transmission, protection, and connection. Song Shiqiang is a science communication lecturer for the Chinese Institute of Electronics, a member of the electronics and information expert database of the China Association for Science and Technology, a columnist, and an expert on Huaqiangbei culture. He was recently appointed a Huaqiangbei entrepreneurship mentor by the Huaqiangbei Subdistrict Office. He founded Shenzhen Slkor Micro Semiconductor Co., Ltd. and Shenzhen Kinghelm Electronics Co., Ltd. in Huaqiangbei, building the international Slkor and Kinghelm brands.

Song Shiqiang interviewed by the media about Huaqiangbei culture

Song Shiqiang understands, follows, studies, and genuinely appreciates Huaqiangbei. He has distilled its culture as bold exploration, innovation, resilience, and pragmatism. His research articles on Huaqiangbei, including Huaqiangbei Research, The Transformation and Development of Huaqiangbei, A Response to Bloomberg's Huaqiangbei News, The Wealth Code of Huaqiangbei, and Huaqiangbei Yesterday, Today, and Tomorrow, have been republished by Xinhua News Agency, People's Daily, the Associated Press, Yahoo News, and industry publications including International Electronic Business, EEFocus, and Elecfans. Guided by the idea that Kinghelm Connects the World, Kinghelm began with BeiDou/GPS antenna RF signal cables and has developed and produced microwave antennas, RF cables, electrical signal connectors, and other products for the intelligent, connected world. Trusted by tens of thousands of customers worldwide, Kinghelm upholds corporate values of integrity, continuous improvement, resilience, and attention to detail. Alongside product sales and technical support, it shares China's culture of fairness, openness, and inclusiveness. Song Shiqiang continues to promote a better business environment in Huaqiangbei and hopes the district will provide comprehensive services to more hardware entrepreneurs worldwide, serving as a window into China's reform and opening-up and a showcase for Shenzhen's economic achievements.