In modern electronics manufacturing and circuit design, pin headers are among the most common connectors, found in almost every type of printed circuit board. From consumer electronics to industrial control equipment, from communication terminals to automotive electronic systems, pin headers play a vital role—not only as the bridge for electrical connections but also as a guarantee for stable signal and power transmission.

Today, we take the Kinghelm KH-2.54PH180-1X15P-L11.5 as an example to fully analyze its structural features, application advantages, and key selection criteria.

Kinghelm KH-2.54PH180-1X15P-L11.5 Product Image

1. Definition and Function of a Pin Header

A pin header is a common board-to-board or board-to-wire connector, usually composed of an insulating housing and metal pins. Its main function is to establish a stable and reliable electrical pathway between different circuit boards or between a circuit board and external components. Pin headers feature a regular pin array, with different arrangements, pitches, and pin counts to meet diverse design requirements.

For engineers, a pin header must not only meet basic conductivity requirements but also satisfy mechanical strength, temperature resistance, and soldering reliability standards.

2. Structural Features of KH-2.54PH180-1X15P-L11.5

The KH-2.54PH180-1X15P-L11.5 is a high-precision through-hole pin header from Kinghelm, featuring a 2.54mm standard pitch and single-row, 15-pin configuration, making it easy to design and install on standard PCBs.

Key features include:

lStandardized design – 2.54mm pitch for broad compatibility with various PCB layouts.

lStraight-through mounting – 180° straight-pin design for easy wave soldering or manual soldering.

lOptimized length – 11.5mm overall length for secure mating without taking up excessive space.

lHigh-strength materials – Square pins for better contact area and mechanical strength.

lExcellent temperature resistance – Operating temperature from -40°C to +105°C for a wide range of environments.

lAdditional specifications: mating pin length 6mm, plastic height 2.5mm, and terminal pin length 3mm. These details ensure stable conductivity while allowing flexible installation.

3. Applications in Different Fields

Consumer Electronics
In smart appliances, gaming consoles, and wearable devices, pin headers are often used to connect mainboards to functional modules, enabling modular designs and facilitating maintenance and upgrades.

Industrial Control Systems
In PLC control boards, industrial sensors, and instrumentation, pin headers handle signal acquisition and transmission, requiring high reliability and durability. The KH-2.54PH180-1X15P-L11.5 is well-suited to these conditions thanks to its sturdy structure and temperature resistance.

Communication and Networking Equipment
In wireless routers, switches, and base stations, pin headers connect RF modules, control boards, and power modules, ensuring stable signal transmission.

Automotive Electronics
In vehicle infotainment systems, OBD diagnostic devices, and navigation modules, pin headers must withstand vibration and extreme temperatures, meeting automotive-grade requirements.

4. Why Choose the KH-2.54PH180-1X15P-L11.5

Beyond its strong basic performance, this Kinghelm pin header stands out for its processing precision and consistency. For mass production customers, this means fewer assembly issues and lower rework rates. Its black insulating housing combined with bright metallic pins not only offers a clean and professional appearance but also facilitates visual inspection during assembly.

With a rated current of 3A, it has ample current capacity for most low-voltage circuits.

5. Key Considerations When Selecting a Pin Header

When choosing a pin header, engineers should consider:

lPin pitch – Common options include 2.54mm, 1.27mm, and 2.0mm for different PCB sizes.

lPin count and rows – Single, double, or multiple rows depending on circuit requirements.

lPin shape – Square, round, or blade pins, each offering different contact characteristics.

lMounting style – Straight, right-angle, or surface-mount based on soldering process and space constraints.

lMaterial and plating – Gold or tin plating affects conductivity and corrosion resistance.

lEnvironmental suitability – Operating temperature, humidity resistance, and vibration tolerance.

For projects requiring stable connections, the KH-2.54PH180-1X15P-L11.5 offers strong performance, reliable manufacturing quality, and broad applicability.

Kinghelm KH-2.54PH180-1X15P-L11.5 Specification

6. Conclusion

Whether for prototyping, mass production, or equipment maintenance, pin headers are indispensable in electronic engineering. The Kinghelm KH-2.54PH180-1X15P-L11.5 provides standardized dimensions, high reliability, and excellent material performance, delivering efficient and stable connection solutions for various electronic products. In increasingly complex electronic systems, choosing the right pin header is essential for ensuring long-term operational stability.

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.