No.1 Gaoda Industrial Park,
Fenggang, Dongguan, China


Straight Pin Header

1.27mm (.050”) Pitch Straight Pin Header Connector

General Spec.
 Product Name: 1.27mm (.050”) straight pin header connector
 Pitch(spacing): 1.27mm (.050”) inch pitch
 Gender: Male
 Breakaway: Yes
 Number of Contact: 2 – 50 pins (single row); 4 – 100 pins (dual row)
 Number of Rows: Single or dual
 Orientation: Vertical (Dip)
 locating peg Without locating peg
 Material: High Temperature Thermoplastic
 Contact material: Brass or Phosphor Bronze
 Insulator material: PA6T (Optional:LCP NA6T PA46 PA66) + UL94V-0
 Insulator color: Black
 Flammability: UL94V-0
 Contact Plating: Gold flash over 50μ” nickel or custom
 Pin lengths: Standard(refer to drawing) or Customizable
 PC Tail Length: Standard(refer to drawing) or Customizable
 Packaging Type: Bulk in Box or Bag
RoHS compliant: Yes

The 1.27 mm (.050”) pitch straight pin header connector is a versatile and essential component in the realm of PCB (Printed Circuit Board) interconnections. These connectors are crucial for board-to-board connections and signal transmission applications, making them integral to a wide range of electronic devices and systems.

The 1.27 mm pitch straight pin header connectors are designed with several key features that enhance their functionality and adaptability:

  1. Contact Configuration:

    • Single Row: Available with 2 to 40 pins.
    • Dual Row: Available with 4 to 80 pins.
    • Custom Configurations: Three and four-row configurations can be manufactured upon request.
  2. Breakaway Design:

    • Breakaway Capability: The typical configuration is a 1×40 pins breakaway pin header, which can be easily cut into any desired number of pins, providing flexibility for various applications.
  3. Orientation:

    • Vertical (DIP) Version: These connectors are designed for vertical mounting on PCBs, facilitating straightforward and reliable connections.
  4. Customization:

    • Insulator Height: The height of the insulator can be customized to accommodate different current requirements.
    • Pin Length: The length of the pins can be adjusted according to the specific distance needed between PCBs.
  5. Materials:

    • Metal Contact: Made from high-quality copper alloy, such as brass or phosphor bronze, ensuring excellent conductivity and durability.
    • Insulator: Typically constructed from PBT (Polybutylene Terephthalate) with a UL 94V-0 rating, or other custom materials as required.
  6. Popular Configurations:

    • Commonly available in configurations of 6, 8, 14, 16, 20, 24, and 28 pins in the DIP version.


These connectors are widely used across various industries due to their reliability and versatility:

  1. Electronic Devices: Essential for internal connections in consumer electronics, such as computers, smartphones, and tablets.
  2. Home Appliances: Used in devices like washing machines, refrigerators, and microwaves for internal circuit connections.
  3. Electrical Instruments: Critical in the assembly of precision instruments and measuring devices.
  4. Automotive Industry: Integral in automotive electronics, such as car navigation systems and LCD panels.
  5. Lighting Industry: Utilized in the assembly of LED lighting systems and other lighting control applications.

The 1.27 mm pitch straight pin header connectors offer several advantages that make them a preferred choice in various applications:

  1. Flexibility: The breakaway design allows for easy customization, enabling engineers to create connectors with the exact number of pins required for their specific application.
  2. Reliability: Constructed from high-quality materials, these connectors provide robust and reliable connections, essential for maintaining the integrity of electrical signals and power distribution.
  3. Ease of Use: The vertical orientation and DIP version facilitate easy installation and soldering onto PCBs, reducing assembly time and complexity.
  4. Customizability: The ability to customize insulator height and pin length ensures that these connectors can be tailored to meet specific design and current requirements.
  5. Versatility: Suitable for a wide range of applications across different industries, making them a versatile component for any electronic assembly.

In summary, the 1.27 mm (.050”) pitch straight pin header connectors are a fundamental component in modern electronics, offering exceptional flexibility, reliability, and customizability. Their wide range of applications and advantages make them an indispensable choice for engineers and designers looking to ensure efficient and reliable PCB interconnections.

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