In modern electronic device design, efficient space utilization and connection reliability are two major challenges. As PCB layouts become increasingly compact, traditional straight pin headers—due to their larger footprint and limited installation flexibility—struggle to meet complex design demands. Angled pin headers, with their unique structure, have become a key solution to this problem. Among them, Kinghelm’s KH-2PH90-1X4P-L10.5 pin header, featuring a standard 2mm pitch, 1×4P configuration, 10.5mm pin length, and right-angle design, provides a stable and reliable connection in confined spaces—making it an ideal choice for industrial control, consumer electronics, automotive electronics, and more.

Kinghelm KH-2PH90-1X4P-L10.5 Product Image

1. Core Design Advantages of the KH-2PH90-1X4P-L10.5 Pin Header

As a fundamental yet critical component, the performance of a pin header directly affects the stability and service life of the circuit. The Kinghelm KH-2PH90-1X4P-L10.5 breaks through the limitations of traditional designs, achieving superior performance through three key innovations:

Right-angle structure to optimize space utilization
Traditional straight pin headers insert vertically into the PCB, occupying significant vertical space. The KH-2PH90-1X4P-L10.5 adopts a 90-degree bend design, extending pins parallel to the PCB surface. This enables the header to be mounted along the edge of the board or device casing, significantly reducing vertical space usage. For instance, in compact sensor modules or handheld devices, the right-angle design can reduce PCB thickness by over 30%, freeing space for other components.

2mm standard pitch balances miniaturization and reliability
As devices get smaller, pin pitch must also shrink. The KH-2PH90-1X4P-L10.5 uses a 2mm pitch, keeping the width of the single-row 4-pin layout within 8mm—around 20% smaller than conventional 2.54mm headers. This design fits high-density PCBs and reduces signal crosstalk, making it especially suitable for low-voltage and high-speed data applications.

10.5mm pin length ensures secure connections
Pin length affects both mechanical strength and electrical performance. The 10.5mm pin length of the KH-2PH90-1X4P-L10.5 is carefully engineered: long enough to fully engage through-hole connections for solid mechanical bonding, but short enough to avoid excessive solder volume and potential shorts. Tests show that the contact resistance remains stable even under vibration, with a maximum value of just 20mΩ—well below industry averages.

2. Performance Highlights of the KH-2PH90-1X4P-L10.5 Pin Header

Beyond structural design, electrical performance is a key measure of quality. The KH-2PH90-1X4P-L10.5 excels across several critical parameters:

Rated current of 1.5A meets mainstream needs
In consumer electronics like wearables and Bluetooth headsets, individual headers typically carry less than 1A. The KH-2PH90-1X4P-L10.5 supports 1.5A, covering mainstream applications and leaving room for future feature upgrades. For example, it can handle power delivery in fast-charging devices without excessive heat or failure.

Insulation resistance ≥1000MΩ ensures signal isolation
High insulation resistance prevents leakage between adjacent pins. Using high-impedance plastics, the KH-2PH90-1X4P-L10.5 achieves a minimum of 1000MΩ, critical for medical or industrial systems where data accuracy matters.

Dielectric withstand voltage AC 500V handles transient spikes
In automotive and power systems, pin headers face voltage pulses and EMI. Tested at AC 500V, the KH-2PH90-1X4P-L10.5 maintains insulation performance under transient high voltage, safeguarding system stability—vital in EV battery management systems.

Operating temperature range from -40°C to +105°C
Designed with heat-resistant plastics and tin-plated copper pins, this header remains reliable in extreme conditions, from Arctic research equipment to desert monitoring systems—avoiding loosening due to thermal expansion or contraction.

3. Application Scenarios and Value

Thanks to its compact design, reliable performance, and broad adaptability, the KH-2PH90-1X4P-L10.5 is widely used in:

Consumer electronics: the core of compact device connections
In smartwatches and TWS earbuds, PCB area is often under 10cm². The right-angle design and 2mm pitch fit tight spaces while the 10.5mm pins ensure reliable connections. For instance, one smartwatch brand reduced battery-to-mainboard connection space by 40%, boosting battery life by 15%.

Industrial control: reliable signal transmission
In PLCs and sensor networks, pin headers endure vibration and thermal cycles. With contact resistance as low as 20mΩ and insulation resistance ≥1000MΩ, the KH-2PH90-1X4P-L10.5 reduces data loss. One production line reported a 60% drop in device failures and 30% lower maintenance costs after switching to this model.

Automotive electronics: built for harsh environments
EV battery management and infotainment systems operate between -40°C and +85°C. The KH-2PH90-1X4P-L10.5 meets these demands with AC 500V dielectric strength and wide temperature tolerance. One EV manufacturer extended battery connector lifespan from 5 to 8 years, enhancing product competitiveness.

4. Why choose KH-2PH90-1X4P-L10.5?

When selecting pin headers, engineers must weigh space, performance, and cost. The KH-2PH90-1X4P-L10.5 stands out through:

✅ Balanced cost-effectiveness: Kinghelm, as a leading domestic connector brand, leverages large-scale production to lower costs while maintaining quality that meets international standards.
✅ Rapid delivery: Automated production lines and a robust supply chain enable small or multiple batch deliveries, shortening time-to-market.
✅ Custom services: For special applications, Kinghelm offers customization options like pin length or plating material to meet unique needs.

Kinghelm KH-2PH90-1X4P-L10.5 Specification

As devices become smaller and smarter, connectors remain the “bridge” enabling innovation. With its right-angle design, 2mm standard pitch, and optimized pin length, the Kinghelm KH-2PH90-1X4P-L10.5 delivers stable and reliable connections even in tight spaces. Combined with excellent electrical performance and broad temperature tolerance, it serves diverse markets from consumer electronics to industrial and automotive applications. Choosing the KH-2PH90-1X4P-L10.5 isn’t just picking a pin header—it’s choosing a high-efficiency, reliable, and flexible connection solution to help your product stand out in a competitive 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.