448139-3

Series:	ARINC 600
Packaging:	Bulk
Lead Free Status / RoHS Status:	--
Part Status:	Active
Moisture Sensitivity Level (MSL):	--
Type:	Signal
Pin or Socket:	Pin
Contact Termination:	Solder, PCB
Wire Gauge:	--
Contact Finish:	Gold
Contact Finish Thickness:	50.0µin (1.27µm)

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Introduction

Backplane connectors are essential components in machinery, networking, and industrial automation. They play a pivotal role in connecting and routing electronic signals and electrical currents between devices such as computers, printers, and servers. Among the various types of backplane connectors available, the 448139-3 is a contact connector designed for higher-level protocols. This article explains the 448139-3 application field and working principle in detail.

Application Field

The 448139-3 is a precision socket-type connector widely deployed for bridging circuit boards, backplanes, and enclosures. It is compatible with standard form factor boards, and is primarily used for data transfer speeds up to 2.5 Gbit/s. This versatile connector can also be used for high-speed differential signals, special multi-pin function assignments, and FOTPSA applications that require precise mechanical and electrical connection. This connector has a low profile design, yet it is robust enough for use in rugged industrial and outdoor environments. It features a low center-to-center distance between rows of mated contacts, eliminating the need for extra components and enabling a high density of contacts in a very small area.

Working Principle

The 448139-3 contact connector features a snap-in built-in design that operates by inserting two matched contacts in mated rows. The contacts are then secured with a locking latch. Additionally, the contacts are designed with a longer spring stroke than other contact designs, enabling a robust connection with higher mating force. The mates of the 448139-3 also feature a centralizing mechanism that ensures the mating elements are perfectly aligned for proper mating. This feature is particularly useful in circumstances where the contacts in backplane system boards may not be perfectly aligned.

Summary

In summary, the 448139-3 contact connector is a high-performance backplane connector designed for superior data transfer speeds and rugged industrial applications. It is designed with snap-in installation, a low profile, centralizing features, and higher mating forces. This versatile connector is suitable for use in any application that requires good data transmission and robust electrical connections.

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