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What is a backshell connector?
A backshell is the back portion of a connector. Connector backshells are specifically designed to protect the back portion of a connector shell (plug or receptacle) that houses the contacts to which wires or cable are either crimped or soldered.
What is D38999 connector?
MIL-DTL-38999 are miniature, high-density circular QPL and type connectors designed to meet the stringent Mil-Spec requirements set forth by the U.S. Department of Defense. The D38999 connector series come in a variety of coupling options, including bayonet and threaded, as well as in metal or composite construction.
What do you need to know about circular connectors?
Circular connectors are defined by the number contacts, shell size and contact diameter. Each connector is proportionally sized for its application. Standard connectors are manufactured according to DIN or military standards. The connector will accept a range of contact sizes and may be offered with several different insert options.
What’s the two digit number on a circular connector?
The two digit number is used to specify the number of 1/16 th inch increments in the diameter of the shell. Larger shell sizes are generally used to house larger contacts used for power.
How are the contacts removed from a circular connector?
These can only be installed or removed from the outside of the equipment. Front Release Contacts – Connector contacts are released from the front side of the connector and then removed from the rear of the connector. The removal tool engages the front portion of the contact and pushes it out the back where it is removed by hand.
What are the termination options for circular connectors?
Termination options include insulation displacement, solder cup or solder, PCB solder, wire wrap, tabs, screws, lugs, and crimp. Circular connectors may be designed to mount on a cable end, panel, circuit board or other entry point.