In consumer electronics design, pin headers play a vital role as key components for achieving electrical connections between circuit boards. Especially as devices continue to pursue miniaturization and higher performance, choosing the right pin header is crucial not only for product performance but also for production efficiency and end-user experience. Kinghelm’s KH-1.27PH90-2X4P-L10.5 pin header perfectly combines a compact structure with high reliability, providing consumer electronics companies with a stable and flexible connectivity solution.

Kinghelm KH-1.27PH90-2X4P-L10.5 Product Image

The KH-1.27PH90-2X4P-L10.5 is a dual-row right-angle pin header with a total of 8 pins arranged in a 2x4P layout and a standard 1.27mm pitch, making it ideal for PCB designs where space is limited. This pin header uses square pins, which offer better compressive strength and contact stability compared to round pins, effectively reducing contact failure over long-term use. With a pin length of 4mm and a plastic height of just 1mm, it ensures secure connections while supporting thinner and lighter end-product designs.

For engineers, the process quality of this pin header is particularly significant. The KH-1.27PH90-2X4P-L10.5 operates reliably under a rated current of 1.0A and can withstand up to AC 500V. It also features excellent electrical performance, with insulation resistance exceeding 1000MΩ and contact resistance not exceeding 20mΩ. Whether in indoor environments or harsh outdoor conditions, this pin header maintains stable performance across a wide temperature range of -40℃ to +105℃, making it especially suitable for electronic devices that must run under high loads for long periods.

In practical applications, the compact design of the KH-1.27PH90-2X4P-L10.5 makes it an excellent choice for smart wearables, handheld gaming consoles, portable audio and video devices, and other compact consumer electronics. Its dual-row right-angle structure also allows for greater layout flexibility, helping engineering teams optimize PCB designs based on actual product needs. Additionally, Kinghelm’s rigorous quality control ensures product consistency, significantly reducing rework rates on production lines and saving both labor and material costs for enterprises.

It is also worth mentioning that the KH-1.27PH90-2X4P-L10.5 uses bag packaging, which is especially convenient during R&D and small-batch prototyping. This eliminates the need for full reel feeding and reduces inventory space requirements, providing flexibility and efficiency for purchasing teams at different project stages.

To summarize the core features:

lThe standard 1.27mm pitch makes it suitable for high-density PCB layouts while supporting the pursuit of thin and compact product designs in consumer electronics.

lThe right-angle structure offers easier side-entry connections, enhancing design flexibility.

lExcellent electrical performance and environmental adaptability ensure stable, long-term operation.

For consumer electronics manufacturers, this pin header strikes the perfect balance between performance and design, supporting faster product launches while also serving as a key component to ensure lasting product quality.

Though small in size, pin headers determine the reliability and stability of internal electrical signal transmission. Kinghelm deeply understands this, which is why we insist on strict control over materials, design, and manufacturing processes to ensure each pin header stands the test of time and environment. The KH-1.27PH90-2X4P-L10.5 is precisely such an ideal choice—combining ultra-thin design with high performance—especially suitable for applications that demand strict control over size, weight, and reliability.

Kinghelm KH-1.27PH90-2X4P-L10.5 Specification

Whether it’s the purchasing team needing a stable supply chain or the engineering team looking for high-quality connectors compatible with complex layouts, this pin header is a trustworthy solution. In the future, as device functionalities continue to expand and sizes shrink even further, high-density, fine-pitch, and high-reliability pin headers like this will remain indispensable, helping more innovative products successfully enter the market.

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.