85718-109LF

Series:	Metral® B
Packaging:	Tube
Lead Free Status / RoHS Status:	--
Part Status:	Active
Moisture Sensitivity Level (MSL):	--
Connector Usage:	--
Connector Type:	Receptacle, Female Sockets
Connector Style:	--
Number of Positions:	30
Number of Positions Loaded:	9
Pitch:	0.079" (2.00mm)
Number of Rows:	5
Number of Columns:	--
Mounting Type:	Board Edge, Through Hole, Right Angle
Termination:	Press-Fit
Contact Layout, Typical:	--
Features:	Board Guide, Spacer
Contact Finish:	Gold
Contact Finish Thickness:	30.0µin (0.76µm)
Color:	--
Current Rating:	--
Material Flammability Rating:	UL94 V-0
Operating Temperature:	-55°C ~ 125°C
Voltage Rating:	--

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Introduction

The 85718-109LF is a backplane connector, also referred to as a mating connector, that is designed to provide an electrical interface between printed circuit boards. The connector is composed of two units, a plug side and a socket side, with the plug side being larger than the socket side. It offers very low insertion/extraction forces, high contact reliability, and intuitive contact arrangement. With its unique design, it is suitable for a wide variety of high density requirements.

Design Features

The 85718-109LF is a two piece connector system that offers secure and durable connections. It is composed of a plug side and a socket side, with the plug side being larger than the socket side. The plug side is designed with a 3.0 mm pitch, which incorporates two rows of contacts, a Ground strip, and a Ground Plane (for optimal EMI shielding). The socket side is designed with a 4.5 mm pitch, utilizing four rows of contacts that are angled outwards to provide a secure contact retention and easy access for the plug side contacts. The connector is rated for up to 10A per contact and up to 4A per row. It is also designed with gold plated contacts for reliable contact retention.

Applications

The 85718-109LF is suitable for a variety of applications within the electronics industry. It is ideal for use in high-density computing applications, such as motherboards, servers, and storage systems, as well as telecommunications, networking, and industrial automation. It is also well suited for use in motor control and power control.

Working Principle

When the plug side of the 85718-109LF is inserted into the socket side, the 4 rows of angled contact pins are pushed against the contacts of the plug side, creating an electrical connection and secure contact retention. The ground plane is also pressed against the ground strip of the socket side to ensure a secure EMI shielding. The connector is then locked in place with a retention clip or similar locking mechanism.

Conclusion

The 85718-109LF is a backplane connector designed to provide an electrical interface between printed circuit boards. It is composed of two pieces, a plug side and a socket side, offering secure contact retention and intuitive contact arrangement. Thanks to its unique design, it can be used in a wide variety of high density applications, such as motherboards, servers, storage systems, telecommunications, networking, and industrial automation. The connector utilizes 4 rows of angled contact pins and a Ground Plane for EMI shielding. When the plug side of the connector is inserted into the socket side, the contacts are pushed against each other, creating an electrical connection and secure contact retention, which is then locked in place with a retention clip or similar locking mechanism.

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