TFC-105-01-F-D-RA

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The TFC connection system, including the TFC-105-01-F-D-RA, is popularly used in various applications for its excellent performance in circular and rectangular connectors. It typically includes a header, comprising an array of closely-spaced receptacle contacts, and a receptacle housing containing individual contacts for mating with the pins.

The TFC-105-01-F-D-RA is a 4-pin connector made of bronze (better known as phosphor bronze) and brass, and was designed for the demanding requirements for signal and power distribution of telecommunication and datacom applications. This type of connector and its accompanying header come with two types of contacts: male pins (which are interchangeable with receptacle contacts at the point of contact) and a female receptacle. As far as contact arranged horizontally, there are a total of 7 pins (4 male and 3 female), with the male pins being the points of contact.

As the contacts on the TFC-105-01-F-D-RA are found in both horizontal and vertical orientations, and come with either a raised, plated body with non-rolling threads or a round and robust body with rolling threads, it can cater to a variety of applications. These range from high-frequency power distribution and transmission, such as DC motors, to control systems, including automation controls, machine controls, and instrumentation.

The robust contact body of the TFC-105-01-F-D-RA ensures that, even when used in harsh conditions, the contact’s resistance to vibration, shock and corrosion are maintained. It also features a positive locking feature to ensure secure electrical connections, and is capable of operating upto +105°C.

Working Principle

To maintain electrical contact and reliability, the working principle behind the TFC-105-01-F-D-RA involves two primary steps. Firstly, the contacts are V-notched for high tension and gripping power. This is achieved using a tool which hardens and bevels the contact surface by applying pressure and heat, resulting in the formation of a V-shaped notch on the surface.

The V-notching technique creates an extremely small contact and helps ensure a more reliable connection. The more pressure applied, the greater the contact area. This helps to maintain a higher pressure during the entire electrical connection, focussing the contact forces to extreme areas, whilst also prolonging the life of the connector.

In the second step, a resilient bushing, typically made of stainless steel, is used to lock the contact in place, providing secure electrical contact in the most critical environments. The connection is further enhanced by the use of flexible locks, allowing the user to adjust the connection to suit their needs.

With its robust V-notched design, the TFC-105-01-F-D-RA is an ideal solution for applications where space is tights, due to its relatively compact design, and for applications which face challenging environmental conditions. It has been used in numerous fields, such as automotive, industrial, aerospace, and medical industries.

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