40-9809M

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D-Sub connectors are an popular and versatile form of electrical connector. The name D-Sub is derived from the shape of the connector, which looks like a capital letter “D” when viewed from the front. The 40-9809M is part of the D-Sub family of connectors and is used in a wide variety of applications. This article will focus on the 40-9809M application field and working principle.

Application Field

The 40-9809M is a 26-pin high-density cable port connector that is commonly used in the computer and networking fields. It comes with two different types of shells: shielded and unshielded. The shielded version of this connector is primarily used in electronic instrumentation as well as computer, audio and video systems. The unshielded variant is more commonly found in networking applications. These connectors are often found in RS-232 and RS-422 ports, as well as in Ethernet and fiber optic cable runs. In addition to data signals, the 40-9809M can be used to convey power signals when mated with an appropriate mating connector.

Working Principle

The 40-9809M is a snap-in style connector, meaning that it does not require any special tools for installation or removal. All of the pins and sockets are pre-loaded into the connector’s housing, which is then snapped into place on the PCB. This makes installation of the connector easier and faster as compared to other connector types. The 40-9809M also features a low contact resistance which enables it to transfer signals more efficiently with less signal loss or interference.

The 40-9809M also features a latching mechanism to ensure that the connection stays secure and stable even when exposed to vibration or extreme environmental conditions. The spring-loaded male pins ensure full contact is made with the female sockets on the mating connector, and the shells are designed to block against dirt, dust and moisture, protecting the terminals and providing EMI/RFI protection.

The 40-9809M is also RoHS compliant, meaning that it is designed for safe and reliable use in all kinds of applications. This makes the 40-9809M a cost-effective and reliable solution for a wide range of applications.

Conclusion

In conclusion, the 40-9809M D-sub connector is an versatile and reliable connector that is commonly used in computer and networking applications. It is easy to install and remove, offers low contact resistance and EMI/RFI protection, and is RoHS compliant. For these reasons, the 40-9809M is an excellent choice for most data and power applications.

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