77317-803-40LF

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Rectangular Connectors - Headers, Male Pins - have become popular in many markets due to their reliable performance combined with unlimited board design options. This popularity has extended to the 77317-803-40LF which is an excellent example of the convenience and reliability of rectangular connectors. In this article, we discuss the applications, features, and working principles of the 77317-803-40LF connectors.

The 77317-803-40LF is a 40-pin, double row, shielded stamp-pin header, suitable for surface mount assembly. It is designed to provide high-current electrical connections between the PCB and components such as switches, sensors, and indicators. It features an insulation displacement contact (IDC) technology which ensures reliable connection without the need for soldering.

The 77317-803-40LF has a 2-millimeter contact spacing and is rated for 3.3 Amps of current. It is ergonomically designed for easy placement and allows for routing of a high number of lines. Additionally, the pins are designed to reduce the risk of solder bridges and solder wicking. The 77317-803-40LF also has tin over nickel (Ni) plating for increased corrosion resistance, making it ideal for use in harsh environments.

The 77317-803-40LF is suitable for applications requiring high current connections such as in automotive, telecom, industrial, audio/video, and medical markets. The 77317-803-40LF can be mounted on printed circuit boards, as well as flexible Printed Circuit Boards (PCB). It is UL approved and has a mounting kit available for easy customization and use. The connector is also RoHS II compliant and has an operating temperature range of -55°C to +105°C.

The working principle of the 77317-803-40LF is based on insulation displacement contact technology and double row design. The two-millimeter contact spacing allows for a high-density footprint and is electrically shielded to protect against EMI/ESD interference. The contacts on the 77317-803-40LF are designed to ensure reliable connections without soldering. The pins are tin-plated for improved corrosion resistance and increased conductivity. The high-current rating of 3.3 Amps enables it to support a wide range of applications.

In conclusion, the 77317-803-40LF connector is an excellent choice for applications requiring high current and secure connections. The insulation displacement contact technology ensures reliable connections without the need for soldering and the tin-plated contacts provide improved corrosion resistance. The double row design also provides a high-density footprint for easy placement. The UL approved, RoHS II compliant connector provides reliable performance in a wide range of applications.

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