17551441107

Series:	har-bus® HM
Packaging:	Tube
Lead Free Status / RoHS Status:	--
Part Status:	Active
Moisture Sensitivity Level (MSL):	--
Connector Type:	Receptacle, Female Sockets
Connector Style:	--
Number of Positions:	144
Number of Positions Loaded:	All
Pitch:	0.079" (2.00mm)
Number of Rows:	6
Mounting Type:	Through Hole, Right Angle
Termination:	Press-Fit
Connector Usage:	--
Contact Finish:	Gold
Contact Finish Thickness:	--
Current Rating:	1A
Voltage Rating:	--
Operating Temperature:	-55°C ~ 125°C
Features:	Mating Guide

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Introduction

17551441107 (1755) is a backplane connector family, most commonly used for high-speed applications. This type of connector is designed to meet the demanding requirements of modern communication systems, and the typical characteristics of 1755 include high contact density, wide operational temperature range, enhanced vibration/shock resistance, and low contact resistance.

Connection Types

1755 connectors are available in two styles: hard metric and standard. The hard metric (HM) version is the most common of the two. This provides the highest performance and allows for the most dense packaging. The standard (STD) version is cheaper and uses a single-row of contacts, making it the more economical option for less demanding applications.

Applications

1755 connectors are used primarily in the communications, networking, and computer industry, specifically on backplane applications. They are also used for interconnections in digital systems, such as test and measurement equipment, industrial PCs, audio/video, and military/aerospace systems. Due to its superior performance and high reliability, the 1755 family of connectors has become a popular choice for very sensitive electronic applications.

Working Principle

The 1755 connector utilizes high contact density, which results in a more reliable electrical connection than with traditional connectors. Each connection is made up of multiple contacts, designed for faster data speeds, and lower overall power consumption. The female contacts, commonly known as terminals, are made from stamped stainless steel material, ensuring superior electrical strength and corrosion resistance. The male contacts are soldered onto the board. They integrate the contact and a solder cup, allowing a single termination point. The 1755 is designed to provide superior vibration and shock resistance. This is done by providing a positive retention feature. The female terminals are inserted into the plastic housing, making sure the connection is secure. The housing has a spring mechanism, which enables the two parts to fit together securely without the use of tools. This allows the connection to remain well-maintained and reliable, even during extreme vibration and shock events.

Conclusion

17551441107 (1755) is a backplane connector designed for high-speed applications. It is available in two styles: hard metric and standard. 1755 connectors are designed for superior performance and reliability, and are commonly used in the communications, networking, and computer industry. They provide high contact density and vibration/shock resistance. Each connection is made up of multiple contacts, and the female contacts are made from stamped stainless steel material. These features make the 1755 the perfect choice for demanding applications.

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