L77DBG25S Connectors, Interconnects

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D-Sub connectors are among the most reliable and popular types of connectors used in a variety of applications where a connection must hold up in any kind of environment. The L77DBG25S is a particularly popular D-Sub connector because of its great performance and rugged construction. This article will discuss the application field and working principle of the L77DBG25S.

The L77DBG25S is a metal shell, plastic shielded D-Sub connector designed to handle data speeds up to 500 Mbps. It is suitable for uses in computers, communication equipment, digital measurement equipment, and industrial control systems. The rugged construction and compact size make it well-suited for applications in rugged environments such as outdoors, aboard vehicles, and in factory automation systems. The plastic covering also provides additional protection and improved EMI shielding.

The L77DBG25S connector features two-piece shell construction for a secure connection. The connector has a 25-position terminal block that is keyed to ensure correct mating. It uses high temperature thermoplastic with a zinc die-cast shell to provide superior EMI protection. The contacts are made of stamped and formed phosphor bronze and feature tin plating for superior corrosion resistance. The L77DBG25S also features a split-shell design, so it can be installed or removed from a cable quickly and easily.

The L77DBG25S connector employs a pin contact design which reinforces contacts during mating. It also features a positive latching system to ensure that the connection is secure and will not come apart inadvertently. The contact areas are specially designed to provide maximum retention force and a low mating force. For added convenience, the connector is also RoHS-compliant and has a UL94-V-0 rating, which adds to its versatility in many applications.

The L77DBG25S is also notable for its resilience, durability, and suitability for use in high-vibration and corrosive environments. The metal shell and plastic covering protect the contacts from water, dust, and other elements. The connector is also designed to be resistant to temperature swings, vibration, and shock. This makes it suitable for applications in harsh environment, including those with extended extreme temperatures.

In terms of performance, the L77DBG25S connector is designed to support data transfer rates up to 500 Mbps. It achieves this through careful design of the contact surfaces and electrical signal paths. The contacts are specifically designed to provide a low capacitance path for data to travel through for maximum signal integrity. The connector is also designed to provide a low-impedance ground, which helps reduce cross-talk and interference.

In summary, the L77DBG25S is a rugged and reliable D-Sub connector designed for applications in data-sensitive systems. It is made of a two-piece construction with a metal shell and plastic shielding for superior stability and EMI shielding. The connector is also suitable for use in harsh environmental conditions and is rated for data speeds up to 500 Mbps. This makes it ideal for applications in computers, industrial control systems, digital measurement equipment, and communication systems.

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