Square Hole SMT Pin Header, 1.27×1.5mm Double Row 2×10P, Single Plastic Insulator, Straight SMT Type

Our square hole SMT pin headers are manufactured in strict accordance with international industrial connector standards, with standardized structural dimensions, precise tolerance control and complete electrical parameters. All products support customized specifications and fully adapt to mainstream SMT production equipment and PCB design standards, ensuring universality and batch consistency for global industrial applications.

Customization Note: Pitch, insulator height, row count, pin count and mounting style all support custom specifications to match specific PCB design requirements.

Compared with traditional round-hole SMT pin headers and through-hole pin headers, our square hole SMT pin headers have irreplaceable structural advantages in positioning accuracy, connection stability, production efficiency and scene adaptability. The unique square hole limit structure solves the common problems of easy offset, poor positioning and unstable docking of round hole connectors, making it more suitable for high-precision and high-reliability electronic connection scenarios.

1. Ultra-High Positioning Accuracy & Anti-Offset Performance

The core advantage of the square hole structure lies in its precise limit positioning function. The square hole forms an all-round constraint on the docking pin, which completely avoids the left-right and front-back offset phenomenon easily caused by the circular gap of round hole connectors. During automated assembly and manual docking, it can achieve zero-offset precise fitting, effectively solving the problem of poor contact and signal instability caused by connector displacement. This feature is particularly critical for high-precision modules and high-speed signal transmission equipment, greatly improving the overall connection reliability of the product.

2. Strong Mechanical Stability & Vibration Resistance

The square hole fits tightly with the matching pin body, with larger contact area and stronger clamping force than round hole structures. After complete docking, it has excellent anti-loosening and anti-vibration capabilities, and can maintain stable connection status for a long time in vibration, shaking and frequent movement environments. It effectively avoids intermittent disconnection and signal interruption caused by equipment vibration, and greatly improves the service stability and service life of electronic equipment, especially suitable for mobile and vibration-prone equipment scenarios.

3. Full Compatibility with Automated SMT Mass Production

This square hole pin header adopts standardized SMT patch foot design, with flat and uniform mounting bottom surface, stable overall flatness and regular appearance size. It is 99% compatible with automatic chip mounters, reflow soldering furnaces and other SMT production line equipment, supporting full-automatic batch mounting and welding. Compared with traditional through-hole pin headers that require manual plug-in and wave soldering, it greatly saves labor costs, shortens production cycles, improves product yield and batch consistency, and is more in line with the modern intelligent manufacturing production mode.

4. Excellent High-Temperature Resistance & Environmental Adaptability

Using high-grade high-temperature resistant insulating polymer materials, the product can withstand short-term 260℃ high-temperature impact during reflow soldering without deformation, discoloration or cracking. It can work stably in the temperature range of -40℃ to +85℃ for a long time, and has good moisture resistance, corrosion resistance and aging resistance. The surface tin-plating process effectively isolates air oxidation, prevents pin rust and poor welding, and can adapt to harsh working environments such as high humidity, high temperature and dust in industrial sites.

5. Diversified Customization & High Versatility

We provide comprehensive customized services for square hole SMT pin headers, including different pitches, pin counts, row numbers, pin lengths and installation directions. It can be flexibly matched with various board-to-board connectors, module sockets and wiring terminals, and is compatible with multiple signal transmission protocols and low-power power supply connection scenarios. The standardized size design ensures good versatility, which can replace most mainstream square hole patch connectors on the market, reducing customer procurement and design costs.

Relying on its precise positioning, stable connection, high production efficiency and strong environmental adaptability, the square hole SMT pin header is widely used in high-precision, high-reliability and mass-produced electronic products, covering consumer electronics, industrial automation, IoT intelligence, automotive electronics, precision instruments and other core fields.

Smart IoT Devices Widely used in smart sensors, wireless communication modules, Bluetooth/WiFi modules, smart home controllers and IoT terminal devices. The precise square hole positioning ensures stable signal transmission of intelligent terminals and avoids signal delay and interruption caused by connector displacement.

Industrial Control Equipment Suitable for industrial control mainboards, PLC expansion modules, data acquisition cards, industrial gateway equipment and automated production auxiliary modules. It adapts to complex industrial vibration and temperature-changing environments to ensure long-term stable operation of industrial equipment.

Automotive Electronic Systems Applied to vehicle-mounted sensor modules, vehicle control units, on-board entertainment systems and automotive wiring harness connection components. With excellent vibration resistance and high reliability, it meets the strict safety standards of automotive electronic equipment.

Consumer Electronic Products Used in wearable devices, tablet accessories, portable electronic equipment, charging modules and miniaturized digital products. The SMT patch structure saves PCB space and realizes lightweight and miniaturized product design.

Precision Medical & Instrument Equipment Suitable for portable medical detection equipment, laboratory precision instruments, testing equipment and optical electronic modules. High-precision docking ensures the accuracy of equipment data collection and transmission.

Embedded Development & Electronic Manufacturing Commonly used in embedded development boards, circuit board expansion interfaces, batch electronic finished products and prototype development, providing stable and reliable board-to-board connection solutions for electronic engineers and manufacturers.

Q1: What are the core advantages of square hole SMT pin headers compared with traditional round hole models?

A1: The biggest advantage of the square hole structure is precise positioning and anti-offset. The square hole achieves omnidirectional limit on the docking pin, effectively eliminating the lateral displacement gap of round hole connectors. It features higher docking accuracy, tighter fitting, stronger vibration resistance and more stable electrical connection, which can effectively avoid poor contact and signal jitter problems, and is more suitable for high-precision and vibration-prone working scenarios.

Q2: Is this square hole pin header suitable for full-automatic SMT reflow production?

A2: Absolutely yes. All our square hole pin headers are specially designed for SMT surface mount process. The high-temperature resistant body can adapt to standard lead-free reflow soldering curves, resisting 260℃ high-temperature short-time welding without deformation. The flat patch feet support automatic placement and welding, with high production yield and fully meeting mass automated production requirements.

Q3: Can you provide customized specifications for pitch, pin count and structure?

A3: Yes. We support full-range personalized customization, including 2.0mm/2.54mm standard pitch options, 2P-40P arbitrary pin count, single/dual row structure, vertical/right-angle installation style, and special pin length customization. We can provide exclusive matching solutions according to customer PCB drawings and application scenarios.

Q4: What is the working temperature range and service life of the product?

A4: The product supports a wide operating temperature range of -40℃ to +105℃, adapting to cold, normal temperature and high-temperature working environments. The optimized mechanical structure ensures more than 600 times of stable plugging cycles, with long-term anti-aging and anti-vibration capabilities, meeting the long-term service life requirements of industrial and commercial electronic equipment.

Q5: Do your products comply with international environmental protection and safety standards?

A5: All square hole SMT pin headers adopt lead-free environmental protection processes, fully compliant with RoHS and REACH international environmental protection regulations. The insulating material meets UL94 V-0 flame retardant standard, and the products have passed UL safety certification, which can meet the market access standards of Europe, America, Southeast Asia and other global regions.

Q6: What is the maximum load current and voltage of the product?

A6: The standard rated voltage of the product is 500V AC/Minute, and the single-pin stable rated current is 2.0AMP. Under normal temperature and standard working conditions, it can operate stably for a long time within the rated parameters. For high-current scenarios, we can provide optimized structural customization to meet higher load requirements.

We are a professional high-precision electronic connector manufacturer integrating R&D, production, sales and customized services, focusing on the design and production of square hole pin headers, round hole pin headers, SMT patch connectors, board-to-board connectors and various terminal connectors. With advanced production and testing equipment, a complete quality management system and rich industry customization experience, we have been providing high-quality, high-stability and cost-effective connector solutions for global electronic manufacturers and engineering enterprises.

We support standard product spot bulk procurement, non-standard product personalized customization, free sample testing and OEM/ODM cooperative production. Our professional technical team can provide one-stop services including product parameter consultation, scheme optimization, drawing confirmation and after-sales technical support. Whether it is conventional mass products or special-scenario customized connectors, we can respond quickly and deliver high-quality products efficiently.