85851-128LF

Series:	Metral®
Packaging:	Tube
Lead Free Status / RoHS Status:	--
Part Status:	Active
Moisture Sensitivity Level (MSL):	--
Connector Usage:	--
Connector Type:	Header, Male Pins
Connector Style:	--
Number of Positions:	24
Number of Positions Loaded:	All
Pitch:	0.079" (2.00mm)
Number of Rows:	4
Number of Columns:	--
Mounting Type:	Through Hole
Termination:	Press-Fit
Contact Layout, Typical:	--
Features:	--
Contact Finish:	Gold
Contact Finish Thickness:	30.0µin (0.76µm)
Color:	Natural
Current Rating:	1A
Material Flammability Rating:	UL94 V-0
Operating Temperature:	-55°C ~ 125°C
Voltage Rating:	--

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85851-128LF Backplane Connector – Specialized

Backplane connectors are used in a variety of applications, from mass consumer electronics to industrial grade machines. Specialized connectors like the 85851-128LF present themselves as top-tier pieces of equipment for extreme conditions like high heat and EMI/ESD tolerance. Their features and design make them a great choice for use within expensive equipment when reliability and long-term performance are paramount.

Background

The 85851-128LF by TE Connectivity is a .080" pitch, high density female receptacle backplane connector with a dual row orientation. It offers eight positions with two contacts per position and features 4 thermoplastic insulator assemblies. Designed primarily for high speed, high current backplane applications, the 85851-128LF is a cost-effective but reliable solution for a variety of requirements.

Application Fields

The 85851-128LF can be used in a range of applications, including server, storage, networking, communication, and other systems where data and signal compliance is very important. It is also an ideal solution for dense card-to-board designs that require multiple signal lines and is often used in medical, military and aerospace equipment, where vibration resistance and long-term stability are paramount.

Features and Design Specifications

The 85851-128LF features an 8-position/2-row design with a .080" pitch. Its contact structure is composed of gold plated contacts with a low mating force of 5.54 N. The contacts are constructed to withstand up to 10A of current, and the connector itself has a maximum operating voltage of 30V. This display has a temperature range of -55°C to +85°C, making it suitable for a wide range of temperatures.The connector is shielded to reduce noise and interference, as well as providing protection and immunity from EMI/RF signals. Its insulators are made of polyamide, which offers excellent thermal, mechanical, and electrical properties. Its design also features flared end coupling and an insulation displacement contact (IDC) for easier and quicker connection without the need for soldering.

Working Principle

The 85851-128LF is designed to offer reliable and consistent performance in demanding conditions. It uses high-quality contact construction for optimal wave propagation and signal transmission, while its shielding reduces EMI/RF signals. Its gold plated contacts can handle up to 10A of current, while its flared end coupling and IDC allow for easy connection without the need for soldering. Its thermoplastic insulators offer excellent thermal, mechanical, and electrical properties, as well as increased vibration resistance.

Conclusion

The 85851-128LF backplane connector from TE Connectivity provides a reliable and cost-effective solution for a variety of demanding applications. Its high-quality contact construction along with its shielding and insulation provide added protection and reduce interference. Its features, design, and specifications also offer excellent thermal, mechanical, electrical, and vibration resistance, making it a great choice for high heat and EMI/ESD tolerance applications.

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