89891-314

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Rectangular connectors – including headers, receptacles, female sockets – serve a variety of different purposes in electronic devices. Among the most popular types of rectangular connectors is the 89891-314, a connector popularly known for its versatility, ease of use, and cost-effectiveness. This article will discuss the 89891-314’s application field and working principle.

Application Field and Limitations

The 89891-314 is most commonly used in commercial and industrial applications in which space is restricted. It is an all-in-one connector, with integrated mating and locking mechanism, making it ideal for use in tight spaces. Examples of use cases include connection of PC boards, in connectors for automotive and aviation applications, as well as internal and external power connections.

The 89891-314 is designed for use in devices that have a DC power source. It should not be used in applications with high temperatures, and must not be subject to extreme shock. Additionally, it must always be used with shielded cables.

Design and Working Principle

The 89891-314 connector is designed with a single-piece housing for easy and reliable contact mating. The contact design consists of two sets of contacts arranged in parallel, one male and one female. This ensures that any possible misalignment of the contacts is eliminated. All contacts are gold-plated, which prevents corrosion and allows for higher signal reliability. Additionally, contact material is protected from derating due to corrosion, even in polluted or humid conditions.

The contact is designed to provide robust and reliable connections, even in harsh environments. The solid contact design and gold plating ensures low contact resistance and a high contact force (fill factor). These features make the 89891-314 suitable for high-current applications. All contacts are protected by an integrated captive cover, providing excellent levels of protection against dust, moisture, and EMI.

Protection Levels and Mating Conditions

The 89891-314 provides a robust connection that is designed for applications with increased levels of protection. It has an IP67 protection rating when unmated and an IP54 rating when mated. It features two mating screws and two bevel head lock screws, which ensure a secure and reliable connection, even under harsh conditions. Additionally, the connector features a reliable mating mechanism, with positive locking and recessed contacts.

The 89891-314 connector is designed to operate between -40°C and +125°C, making it suitable for extreme temperatures. It is also rated for up to 10,000 mating cycles, making it suitable for applications that require frequent reconnecting.

Conclusion

The 89891-314 connector is an all-in-one solution for applications that require robust and reliable connections in tight spaces. It has integrated mating and locking mechanisms, protecting the contacts from erosion and providing excellent levels of protection against EMI. Additionally, it is designed to operate between -40°C and +125°C, making it suitable for extreme temperatures. This makes the 89891-314 an ideal choice for a wide variety of commercial and industrial applications.

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