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Backplane connectors are tools used to connect multiple circuitry boards together. They act as an interface between two circuit boards, allowing communication and data transfer. Backplane connectors have different types depending on the application field and working principle. The two most common types are Hard Metric and Standard.

Hard Metric Connectors

Hard metric connectors are designed to follow the Institute of Electrical and Electronics Engineers (IEEE) 1101.10 or international standard. They are designed with metal contacts, a high pin count, and high density. These connectors are used in high-speed applications such as Ethernet. They hold up to state-of-the-art signals and offer longer contact life.

Standard Connectors

Standard connectors are designed to follow the EIAJ standard. They are made from plastic and include a low-pin count or low-density. Standard connectors are used in slower applications that require less power than the other types of connectors. Standard connectors are used in a wide range of applications such as low-speed communications, instrumentation, low-voltage applications, and remote sensing.

Performance

Hard metric connectors offer greater performance compared to standard connectors due to their robust design. Hard metric connectors can handle signals that are high speed, such as Ethernet, as well as slower signals, such as low-voltage applications. The multiple contacts used in Hard metric connectors provide greater reliability, meaning less interference when transferring data. Standard connectors, on the other hand, are more suited for less complex applications with more relaxed requirements.

Cost

Hard metric connectors are more expensive than standard connectors due to their robust design. This means that they are primarily used in applications requiring greater performance. Standard connectors are more affordable and can be used in a range of applications where a lower performing connector is acceptable.

Conclusion

There are a variety of backplane connectors available depending on the application field and working principle. Hard metric connectors are designed with robust metal contacts, a high pin count, and high density. Standard connectors use plastic and a low-pin count or low-density. Hard metric connectors provide greater performance for more complex applications, while standard connectors are more suited for less complex applications. Ultimately, the type of connector used depends on the application.