DF40HC(2.5)-20DS-0.4V(51)

The DF40HC(2.5)-20DS-0.4V(51) is a specific type of connector manufactured by Hirose Electric Co., Ltd., known for its high-quality interconnect solutions. This connector is part of the DF40 series, which is designed for high-density applications, making it suitable for various electronic devices and systems.

Key Features and Specifications:

1. Connector Type:

   • The DF40HC(2.5)-20DS-0.4V(51) is a wire-to-board connector, which means it is used to connect wires to a printed circuit board (PCB).

2. Pin Count:

   • The "20" in the part number indicates that this connector has 20 pins, allowing for multiple connections in a compact form factor.

3. Pitch:

   • The "2.5" refers to the pitch, which is the distance between the centers of adjacent pins. In this case, the pitch is 2.5 mm, allowing for a dense arrangement of connections while maintaining ease of handling and assembly.

4. Contact Configuration:

   • The connector features a dual-row configuration, which helps in maximizing the number of connections in a limited space.

5. Voltage Rating:

   • The "0.4V" in the part number indicates the rated voltage for the connector, which is typically around 0.4 volts. This low voltage rating is suitable for low-power applications.

6. Current Rating:

   • The connector is designed to handle a specific current rating, which is essential for ensuring reliable performance in electronic circuits.

7. Material and Finish:

   • The contacts are usually made from high-conductivity materials, often plated with gold or tin to enhance conductivity and prevent corrosion. The housing is typically made from durable plastic, providing mechanical strength and insulation.

8. Mounting Style:

   • The DF40HC(2.5)-20DS-0.4V(51) is designed for surface mount technology (SMT), allowing it to be easily integrated into automated assembly processes.

9. Locking Mechanism:

   • The connector may feature a locking mechanism to ensure a secure connection, preventing accidental disconnection during operation.

10. Applications:

    • This connector is commonly used in various applications, including consumer electronics, telecommunications, automotive systems, and industrial equipment, where space-saving and reliable connections are critical.

Summary:

The DF40HC(2.5)-20DS-0.4V(51) connector from Hirose is a compact, high-density wire-to-board connector designed for low-voltage applications. With its 20 pins arranged in a 2.5 mm pitch, it provides a reliable and efficient solution for connecting wires to PCBs in a variety of electronic devices. Its robust design, combined with features like surface mount capability and a secure locking mechanism, makes it a popular choice in modern electronic design.