ESQT-110-02-F-D-750

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ESQT-110-02-F-D-750 is a type of rectangular connector within the headers, receptacles, and female socket classification. It is a low cost, two piece, board-to-board interconnect system designed for both high-density and high reliability applications. Its features include a reliable latching system, polarization, and superior board stack-height versatility.

Design and Functionality

ESQT-110-02-F-D-750 connectors have 2mm pitch which allows for a high density of pins on a board in comparison to larger pitches such as 5mm. They have a two-piece design which makes it easier for printed circuit boards (PCBs) to be built with the connector in mind. The design also allows the user to select different stack heights from 2.80mm to 9.30mm. The two-piece design further includes the socket (female) and header (male) parts, both featuring different features.

The socket (or female) component is designed to accept and secure the header (or male) contacts. It is designed to have a self-locking feature that locks the male and female connectors without any additional latching hardware. Additionally, the design prevents accidental disconnection. It is also designed with two guide slots that easily mate with the header, further enhancing the secure connection.

The header (or male) component is designed with two parts: a crimp-on contact for the printed circuit board (PCB) and a plastic body. The body contains three guide pins that ensure the socket part is fully mated with the header before electrical contact is made. The header also features a tab that interacts with the two guide slots of the socket. When the two pieces are mated together, the tab slides into the guide slots, providing an audible "click" to assure connection and polarization.

Applications

The small size of the ESQT-110-02-F-D-750 connectors allows for space saving on printed circuit boards, and it can also accommodate small size flat ribbon cables. This makes it suitable for a variety of applications. Common applications include, but are not limited to, automotive, medical, and instrumentation equipment. Additionally, it features a high vibration and shock resistance which make it suitable for rugged environments.

Working Principle

ESQT-110-02-F-D-750 connectors are designed to be easily mated and unmated. The socket component features two guide slots and the header component has three guide pins. When the two parts are mated together the guide pins slide into the guide slots and the body of the header positively locks into the socket part. Connectivity of the two components is enhanced by the small tabs on the header which slide into an audible "click" when the connection is made.

Additionally, the design of the pins and receptacles in the connector ensures that electrical contact is only made when the two parts of the connector are properly mated. This helps to reduce the risk of arcing and accidental disconnecting. It also helps to ensure that electricity is only connected to the parts of the connector that are intended to be. This is an important feature for meeting safety regulations in a variety of applications.

Conclusion

ESQT-110-02-F-D-750 connectors are low cost, two piece, board-to-board interconnect systems designed for both high-density and high reliability applications. Their small form factor makes them suitable for many different applications, including automotive, medical, and instrumentation equipment. The two-piece design of the connector includes the socket (female) and header (male) parts, both featuring a reliable latching system, polarization, and superior board stack-height versatility.

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