The KH-DC-098-1.65STM DC power jack from Kinghelm is a compact, precision-engineered, surface-mount (SMT) DC power connector, designed specifically for space-constrained and lightweight electronic devices. Tailored for the growing demand for miniaturization and integration in modern electronics, this model stands out for its ultra-lightweight design (only 0.693g), robust construction, and excellent electrical performance—making it a premium connector that balances performance and spatial efficiency.

Kinghelm KH-DC-098-1.65STM Product Image

Low-Profile SMT Mount for High-Density Designs

Adopting a lay-flat SMT configuration, the KH-DC-098-1.65STM DC power jack is optimized for automated surface-mount production lines, offering enhanced efficiency and consistency compared to traditional through-hole connectors. Its low-profile form factor makes it ideal for slim devices such as laptops, smartphone accessories, portable medical instruments, and various embedded control systems. The closer fit of the SMT layout also improves anti-vibration capability and environmental resistance, enhancing reliability in dynamic conditions.

Precision Interface for Compact DC Plugs

This model features a 1.65mm inner diameter and 4.4mm outer diameter, making it compatible with most small-size DC plugs on the market. The socket is specifically engineered for precision power applications, ensuring tight fit and reliable connections. Its low contact resistance and high conductivity help minimize power loss during transmission and increase the overall energy efficiency and reliability of the host system.

Robust Material Composition for Long-Term Durability

The KH-DC-098-1.65STM DC power jack is constructed using high-strength, flame-retardant plastic, offering excellent insulation and thermal stability even in high-temperature or EMI-prone environments. Internally, the contact terminals are made of corrosion-resistant and wear-resistant metals, supporting frequent plug/unplug cycles and ensuring consistent performance throughout its service life.

Versatile Use Across Compact and Portable Devices

This DC power jack is widely used in portable consumer electronics, such as power banks, Bluetooth speakers, and handheld gaming consoles, where compactness, reliability, and aesthetic integration are essential. Its slim and refined design meets the stringent size and design standards of these applications.

In the wearable and medical electronics sectors, the KH-DC-098-1.65STM DC power jack is ideal for devices like wearable monitors, handheld blood pressure meters, and portable therapy devices, offering secure, lightweight power connectivity with high precision and safety.

It’s also extensively applied in industrial control systems and communication devices, including embedded control boards, smart modules, and terminal units. In these space-constrained and complex environments, where stability and ruggedness are paramount, the KH-DC-098-1.65STM ensures uninterrupted operation.

Kinghelm KH-DC-098-1.65STM Specification

Conclusion

The Kinghelm KH-DC-098-1.65STM DC power jack embodies the modern need for miniaturized, intelligent electronic components, delivering both high performance and structural precision. Designed for ultra-thin and highly integrated electronics, it is a standout solution that reflects Kinghelm’s engineering expertise and deep understanding of evolving market demands. This model is the perfect choice for developers and manufacturers seeking space-saving, high-reliability power connectors for next-generation devices.

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.

KH-DC-098-1.65STMTo Product Page