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The Basic Structure of Connector

May 29, 2023
The Basic Structure of Connector
 
The basic structure of connector includes: contacts, insulator, housing, accessories. 


1. Contacts

Contact is the core part of the connector to complete the function of an electrical connection. the contact pair is usually made up of positive contact and negative contact, which is electrically connected through the insertion of negative and positive contacts.

Positive contacts are rigid parts with cylindrical shapes (round pins), Square column shape (square pins), or flat shapes (inserts). Positive contacts are generally made of brass and phosphor bronze.


2. Insulator

The insulator, also known as the base or mounting panel (insert), is used to arrange the contacts according to the required position and spacing, and to ensure the insulation between the contacts or between the contacts and the housing. Good insulation resistance, voltage resistance, and processability are the basic requirements of insulator selection.

 
3. Housing

Housing, also called a shell, is the cover of connectors. It provides mechanical protection for built-in insulating mounting panels and pins, and alignment when plugs and sockets are plugged in, thereby securing connectors to the device.

 
4. Accessories

Accessories are divided into structural accessories and mounting accessories. Structural accessories are such as rand, positioning keys, dowel pins, guide pins, connecting rings, cable clamps, sealing rings, gaskets, etc. Mounting accessories are blots, nuts, screws, spring coil, etc. Coils, etc. Most of the accessories have standard parts and general parts.

 
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