554720-1

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Modular Connectors - Plugs

Modular connectors are plug-like components for terminating a cable. They are used for connecting and transmitting signals and data in communication and electronic networks. The 554720-1 is a type of modular connector designed and manufactured by Amphenol. This article will explore the application field and working principle of the 554720-1.

Application Field

The 554720-1 is a modular locking type connector that is well suited for harsh environments. It is highly resistant to shocks and vibrations, making it an ideal choice for military, industrial, and medical applications. Its locking features also make it suitable for applications in hazardous or extreme areas where secure mating is required.

The 554720-1 is available in different configurations, including 8-pin, 9-pin, and 10-pin versions. Its contact design features a male pin terminal that ensures a reliable and robust connection in all application conditions. It also has an IP67 rating for protection against dust and liquids, making it an excellent choice for industrial and aerospace applications.

This modular connector also features a high-temperature-resistant PVZ insulation system, making it suitable for extreme operating conditions. It has a temperature range from -55C to 125C and can also withstand sudden temperature changes. The 554720-1 is compatible with many industry standards, including MIL-C-7840, EEC, and MEC.

Working Principle

The 554720-1 modular connector has a two-piece construction that allows for easy assembly and installation. Its plug and receptacle feature spring-loaded terminals and a splined keyway for secure, dust-proof, and tight mating. When mated, the contact surfaces make an electrical connection, enabling signal or power transmission.

To ensure a safe and secure connection, the terminals have a bayonet-style locking mechanism. This mechanism provides an audible signal when the connector is mated, confirming that it is in place and secure. The connector also has a secondary locking mechanism that prevents accidental disconnection.

The 554720-1 is made of durable materials such as steel, gold-plated contacts, and liquid silicone rubber (LSR). These materials give it high durability and resistance for long-term use. It has multiple protection features, including a secure spline keyway to prevent mis-mating, and it is compliant with safety requirements, such as UL1994, EN60950-1, and IEC 60445.

The 554720-1 is an excellent choice for applications requiring secure, reliable, and robust connections. It offers easy installation and assembly, and its durable materials and protection features ensure a safe and reliable connection in all environment conditions.

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