203881-4

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The 203881-4 Backplane Connectors belong to a wide range of small-form-factor (SFF) connectors and accessories, widely used in multiple applications and environments. Equipped with compatible mating and retention features, the 203881-4 Backplane Connector is suitable for a range of different applications within backplane systems. This article will discuss the various applications for the 203881-4 Backplane Connector and its working principles.

Application Field

The 203881-4 Backplane Connector has a wide range of applications, made possible with its high-speed plug and play specifications. Most commonly, the 203881-4 Backplane Connector is used in the production of storage systems. It is regularly used in events like SATCOM, database management systems, server racks, and mechanical testing equipment. Additionally, its small form factor makes it a great fit for networking applications such as SDH/SONET/RoIP/Ethernet redundant data protocols where the transfer of data is essential. It is also applicable in applications for broadband data transmission, high-speed data broadcasting, and networking infrastructure. Lastly, this connector type has been a staple in multiple aerospace and defense industry applications such as in avionics, weapon systems, and drones.

Working Principles

The 203881-4 Backplane Connector is equipped with a divide bus (or dual bus) midplane architecture, which uses the two independent bus bars along each side of the double and triple contacts. This midplane bus architecture ensures high-speed data transmission with up to 1.3 to 1.6 Gbps of speed, depending on the specific requirements. It also provides optimal power management and higher throughput in applications that require strong power tolerance. Additionally, the 203881-4 Backplane Connector is equipped with a self-locking spring-loaded feature which ensures a secure connection fit and greatly reduces the occurrence of any data transmission errors.

The connector also provides excellent electromagnetic and radio frequency (EM/RF) and shielding performance which are necessary in system components that are critical to the overall system performance. To achieve such high EM/RF performance, the 203881-4 Backplane Connector is typically designed with large number of contacts that can be populated to equal gaps in the assembly. This ensures that the EM energy flow is uninterrupted, giving the connector increased EM/RF performance.

In addition to its EM/RF shielding performance, the 203881-4 Backplane Connector also boasts a robust mechanical design. It includes features like positive or negative latching options for larger mating cycles. It also includes a wedgelocking system where the plug and receptacle mate mechanically, creating an extremely secure mechanical fit. The 203881-4 Backplane Connector has a 45° contact angle with a single-contact twist-crimp termination. This ensures higher shock and vibration ratings and greater contact retention.

The 203881-4 Backplane Connector is equipped with a variety of features and performance specifications which make it suitable for multiple applications. Its EM/RF shielding performance, small form factor, self-locking spring-loaded feature, and double and triple contacts are some of its most attractive features. Its wide range of application fields are also a great advantage. The 203881-4 Backplane Connector is a strong, dependable and reliable type of SFF connector and specifier accessories.

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