51K101-400A5

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Coaxial Connectors (RF): 51K101-400A5 Application Field and Working Principle

Coaxial Connectors (RF), commonly abbreviated as RF connectors, are an essential part of the modern electronics industry. They are used for the transmission and reception of electromagnetic waves in a wide variety of wireless applications. In particular, several variants of the 51K101-400A5 are widely used in the context of communications, radio-frequency/microwave electronics, and aerospace/defense applications.

The 51K101-400A5 is a coaxial RF connector designed to accommodate copper-based coaxial cables. The design of the connector ensures robust mechanical and electrical connections, and is suitable for applications where high voltage (> 1 kV), and high frequency (up to 10 GHz) signal transmission is required. The connector has a number of distinct features. It is a premium-quality, high-performance, miniature, snap-type connector that supports both air and dielectric interfaces.

In terms of mechanics, the 51K101-400A5 connects to coaxial cables via crimp-on connections, and can be opened by withdrawing the center conductor from the center contact. It has a durable nickel-plated brass body, a standard thickness gold-plated nickel center contact, and a NBR/GUM rubber seal that is integrated in the housing for dust and water ingress protection. The overall dimensions of the connector are 3.2 mm x 4.3 mm.

In terms of electrical behavior, the impedance of the 51K101-400A5 is 50 ohms. It is also highly resistant to changes in temperature, and has a low VSWR (less than 1.1) that is virtually unaffected by frequency range. As a result, it is suitable for use with closely coupled RF stages, where it maintains a constant 50 ohms impedance and impedance matching throughout the intended frequency range.

The 51K101-400A5 is a versatile and reliable connector for a wide variety of applications. Its use is particularly recommended for applications with high voltage, high-speed data communications, and for connecting external antennas to RF amplifiers, transceivers, receivers, and other devices that require radio frequency connection. It is also frequently used in industrial and consumer wireless devices, and in aerospace and defense systems that require high-performance, low-VSWR connections.

In summary, the 51K101-400A5 coaxial RF connector is designed to provide robust mechanical and electrical connections for a wide variety of applications, and is particularly suitable for high-voltage, high-frequency signal transmission. Its use of premium-quality materials means that it is resistant to temperature changes, and can maintain a constant 50 ohm impedance and impedance matching throughout its intended frequency range.

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