770274-1

Series:	Commercial .062" Pin and Socket
Packaging:	Bulk
Part Status:	Active
Connector Type:	Receptacle
Contact Type:	Male or Female
Number of Positions:	4
Pitch:	0.145" (3.68mm)
Number of Rows:	1
Row Spacing:	--
Mounting Type:	Free Hanging (In-Line)
Contact Termination:	Crimp
Fastening Type:	Locking Ramp
Color:	Natural
Features:	--
Note:	Contacts Not Included

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Rectangular Connectors – Housings

The 770274-1 is a type of rectangular connector, and as such is used for connecting two components. It is designed for low-voltage and is available in various styles including male and female and 4 pin and 5 pin configurations. Apart from these, the 770274-1 is also suitable for use in harsh conditions, making it ideal for industrial, military and aerospace applications.The 770274-1 is a housing style rectangular connector, meaning that the unit itself provides the contact material, insulation and mounting base for the application. It is designed to provide robust, reliable connections with high-frequency performance. It’s low profile design makes it suitable for connector systems with space restrictions, and even allows for through-hole mounting.

Structure

The 770274-1 is a two-piece connector, consisting of a receptacle and a header which fit together to form a complete unit. The two parts contain a series of metal fingers which allow for the correct alignment of the connector parts. The internal length of the receptacle and the header is such that it prevents the insertion of incorrectly polarized connectors being mistaken for the correct one. The two pieces are also held together through a series of cantilevered locking clips, these secure the header to the receptacle when fully engaged.

Connector Materials

The 770274-1 is constructed from a variety of materials, these vary depending on the application:- The main body of the connector is created from a die-cast zinc alloy which allows for corrosion resistance, high strength and a low-profile construction.- The contacts are built from gold plated brass, which provides excellent electrical performance.- The insulation material is a polyamide based material which is both low cost and flame retardant.

Applications

The 770274-1 is ideal for a wide range of applications, including the following:- Telecommunications: Connector systems used in telecommunication applications must meet stringent EMI requirements, as such, the 770274-1 connector is ideal for high-frequency applications such as transmitting over long distances.- Automotive: This style of connector is also ideal for use within the automotive industry, its robust construction provides reliable connections even in harsh environments. - Defense and Aerospace: The 770274-1 connector is resistant to a wide range of chemicals, as well as high temperatures and pressures, making it ideal for defense and aerospace applications.

Working Principle

The 770274-1 works by using a housing style rectangular connector. It consists of a two part connector system which fits together to form a secure connection. The internal structure of the receptacle and the header is designed to ensure that only the correctly polarized connectors can be inserted into the connector. The two parts are held together using a series of cantilevered locking clips, which securely fasten the header to the receptacle when fully engaged. The contacts within the unit are constructed from gold-plated brass, which provides excellent electrical performance when used in a variety of applications. The insulation material is a flame retardant polyamide based material, which provides added protection against short-circuiting and arcing. Overall, the 770274-1 is a versatile, low-profile connector with robust construction and high performance contact material. It is suitable for use in a wide variety of applications, including automotive, telecommunication and defense and aerospace.

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