TX51AB00-1812H

Series:	TXR
Part Status:	Active
Lead Free Status / RoHS Status:	--
Type:	Backshell, Heat Shrink Adapter
Cable Opening:	--
Diameter - Outside:	1.410" (35.81mm)
Shell Size - Insert:	18
Thread Size:	1 1/16-18 UNEF
Cable Exit:	180°
Material:	Aluminum Alloy
Plating:	Cadmium
Shielding:	Unshielded
Color:	Olive Drab
Features:	Tinel Lock
Ingress Protection:	--
Includes:	4 pcs - 1 Backshell, 1 O-Ring, 2 Screws
Material Flammability Rating:	--
For Use With/Related Products:	MIL-C-26500; MIL-C-38300

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Introduction to Circular Connectors - Backshells and Cable Clamps

Circular connectors are multi-purpose connectors that are commonly employed in a variety of applications, such as data, power, signal, and radio frequency (RF) connections. They are available in several configurations and are especially useful for applications requiring quick reconnection and disassembly. Circular connectors can be divided into two main categories: backshells and cable clamps.

Backshells

Backshells, or adapter shells, attach to circular connectors to provide increased physical protection and strain relief. Typically, they are composed of plastic or metal, and are screwed to the circular connector or crimped to cables. These shells also allow the addition of components such as filters, resistors, and capacitors to increase the connector\'s functionality. Backshells come in two parts: the shell and the hood. The shell is the outer part of the backshell that provides structural support and physical protection; while the hood, which attaches to the shell, provides a degree of EMI shielding.

Cable Clamps

Cable clamps are used to secure the cables to circular connectors. They have teeth that engage to create a strong yet adjustable securement. The arrangement of the teeth within the clamp ensures the cable is in contact with the shell to maximize strain relief. Cable clamps are available in two different designs: metal and plastic. Metal cable clamps are costlier versions that provide more physical attachment to the cables than plastic ones. Plastic cable clamps are an ideal choice when budgets are tight, as they are the least expensive option for cable management.

TX51AB00-1812H application field and working principle

The TX51AB00-1812H is a metal backshell and cable clamp designed for circular connectors. The backshell has an integral hood, thus allowing the use of filters, resistors, and capacitors within the connector. The hood also provides protection against electromagnetic interference (EMI). The cable clamp included with the backshell is a metal design, which provides a secure and robust attachment to the cable. The backshell and cable clamp also provide strain relief to ensure cables maintain a secure, yet adjustable, grip on all circumference points of the cable. This eliminates most of the tension involved in the electronic connections, ensuring an uninterrupted connection in the event of an unexpected movement. This combination of backshell and cable clamp is ideal for harsh environments, where repeated disconnections and reconnections are required.

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