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Basic Performance and Classification of Electrical Connectors

Product Item: Basic Performance and Classification of Electrical Connectors
Category: Injection Connector
The electrical connector In addition to meeting the general performance requirements for external connection. Particularly important requirement is that the electrical connector must achieve good contact, reliable, easy to maintain. The reliability of its work directly affects the normal operation of the equipment circuit and involves the safety of the entire host.
For this reason, the host circuit has very strict requirements on the quality and reliability of the electrical connector. It is also because of the high quality and high reliability of the electrical connector that it is also widely used in military systems such as aviation, aerospace, and national defense. Commonly used classification methods for electrical connectors include shape, structure, and use.

  • PRODUCT DETAIL
The electrical connector In addition to meeting the general performance requirements for external connection. Particularly important requirement is that the electrical connector must achieve good contact, reliable, easy to maintain. The reliability of its work directly affects the normal operation of the equipment circuit and involves the safety of the entire host.
For this reason, the host circuit has very strict requirements on the quality and reliability of the electrical connector. It is also because of the high quality and high reliability of the electrical connector that it is also widely used in military systems such as aviation, aerospace, and national defense. Commonly used classification methods for electrical connectors include shape, structure, and use.


wire crimp connectors
Classification of electrical connectors
Classified by shape
Circular electrical connectors, rectangular electrical connectors.
Circular electrical connectors are the largest in military equipment (aerospace, aerospace) due to their structural characteristics. Rectangular electrical connectors are more used on printed circuit boards of electronic equipment due to their simple structure.

Classified by structure
According to the connection method:
Threaded connection, bayonet (quick) connection, card lock connection, push-pull connection, in-line connection, etc.;
According to the contact body termination form:
Crimping, welding, winding; screw (cap) fixing;
Classified by environmental protection:
Environmental resistant electrical connectors and ordinary electrical connectors.

waterproof electrical connectors
Classified by purpose
RF electrical connector
Electric connector model JXP-10-12
Electric connector model JXP-10-12
Sealed electrical connector (glass sealing welding)
High temperature electrical connector
Automatic disconnection and separation electrical connector
Filtering electrical connector
Composite electrical connector
Airport power connector
Electrical connectors for printed circuit boards, etc.


Structure of electric connector
The electrical connector is composed of a fixed-end connector seat: female contact (socket), and a free-end electrical connector, male contact (plug). The socket is fixed on the electrical component through its square (circle) plate (individually also by welding), the plug is generally connected to the cable, and the plug and socket are connected through the connecting nut.
The electrical connector is composed of three basic units: a shell, an insulator, and a contact.

Electrical connector housing
The electrical connector shell refers to the shell of the plug socket, the connecting nut, and the tail attachment. The function of the shell is to protect the internal parts of the electrical connector such as the insulator and the contact body (the general name of the pin socket) from being damaged. The upper positioning key groove ensures the positioning of the plug and the socket. The connecting nut is used to connect and disconnect the plug socket. The tail attachment is used to protect the wire and the contact terminal from damage and to fix the cable. The shell also has a certain electromagnetic shielding effect.

The shell is generally made of aluminum alloy processing (machined, cold extrusion, die-casting). Steel shells are mostly used for glass sealing and welding and high-temperature electrical connectors.

insulated crimp electrical connectors
Insulator of electrical connector
By installing pin insulators and jack insulators. Interface sealing body, sealing line body and other components. It is used to keep the pin insertion hole in the set position and electrically insulate each contact body and between each contact body and the shell. The sealing measures are obtained by the insulator and the interface sealing body sealing body to improve the environmental resistance of the electrical connector.
In order to adapt to the high temperature, low temperature and flame retardant of the product, the geometric dimensions of the parts are stable and reliable. Insulators are mostly molded from thermosetting plastics. The interface sealing body and the sealing wire body are molded with silicone rubber, etc.


Pins of electrical connectors
The contact body includes a male pin and a female pin, sometimes also called a pin jack. The connection method is divided into welding type, crimping type, pressing-in type and winding type, etc., to realize circuit connection.
Pins and jacks are key components of electrical connectors, which directly affect the reliability of electrical connectors. Most of the pin jacks are machine-added with elastic copper alloy materials with good electrical conductivity, and the surface is silver-plated and gold-plated to achieve the purpose of low contact resistance and corrosion resistance. The jacks generally include split slot jacks, wire spring jacks, crown spring jacks and punched jacks.
The structural characteristics of the electrical connector are: Environment-resistant, bayonet type (fast) connection, multi-key position (anti-error insertion), crimp connection of the pin and wire, (single wire for easy troubleshooting). The shell and shielding ring ensure 360° electromagnetic interference shielding ability.


male female electrical connectors
Stifte von elektrischen Steckern
Der Kontaktkörper umfasst einen männlichen Stift und einen weiblichen Stift, manchmal auch als Stiftbuchse bezeichnet. Das Verbindungsverfahren wird in Schweißtyp, Crimptyp, Einpresstyp und Wicklungstyp usw. unterteilt, um eine Schaltungsverbindung zu realisieren.
Stifte und Buchsen sind Schlüsselkomponenten elektrischer Steckverbinder, die sich direkt auf die Zuverlässigkeit elektrischer Steckverbinder auswirken. Die meisten Stiftbuchsen sind maschinell mit elastischen Kupferlegierungsmaterialien mit guter Leitfähigkeit versehen, und die Oberfläche ist versilbert und vergoldet, um den Zweck einer geringen Kontaktbeständigkeit und Korrosionsbeständigkeit zu erreichen. Die Buchsen umfassen im Allgemeinen Split Schlitzbuchsen, Drahtfeder Buchsen, Kronenfeder Buchsen und gestanzten Buchsen.
Die strukturellen Eigenschaften des elektrischen Steckverbinders sind: Umweltbeständig, Bajonett-Typ (schnelle) -Verbindung, multi-Tastenposition (anti-Fehler insertion), Crimpverbindung des Stiftes und Drähte (Eindraht für eine einfache Fehlersuche). Die Schale und der Abschirmring gewährleisten eine Abschirmfähigkeit gegen elektromagnetische Störungen um 360 °.

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