ST4-40-1.50-L-D-P-TR

Series:	Razor Beam™ ST4
Packaging:	Tape & Reel (TR)
Part Status:	Active
Connector Type:	Header, Center Strip Contacts
Number of Positions:	80
Pitch:	0.016" (0.40mm)
Number of Rows:	2
Mounting Type:	Surface Mount
Features:	Pick and Place
Contact Finish:	Gold
Contact Finish Thickness:	10.0µin (0.25µm)
Mated Stacking Heights:	4.5mm, 5mm
Height Above Board:	0.141" (3.58mm)

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Introduction

The ST4-40-1.50-L-D-P-TR is a rectangular connector – array type. It is constructed of high quality materials and designed to securely connect multiple components on a printed circuit board with excellent durability. The connector has an edge type contact and is designed for mezzanine board-to-board applications.

Application Field

The ST4-40-1.50-L-D-P-TR connector is used for a range of mezzanine applications, including display systems, communications equipment, instrumentation, data processing equipment, automobiles, robotics, aerospace, industrial electronics, and test and measurement equipment. As a mezzanine connector, the ST4-40-1.50-L-D-P-TR can be used to facilitate the transfer of several signals simultaneously between two different PCBs.

Design Features

The ST4-40-1.50-L-D-P-TR connector features several design elements that deliver high performance and reliability in any application. The connector is equipped with a total of 40 pins arranged in parallel arrays with an insertion depth of 1.50mm. Each pin is composed of a high-performance, tin-plated steel, while insulation is provided by standard-grade black phosphor bronze with a silver finish. This ensures superior electrical insulation and increased contact area, resulting in lower contact resistance. The connector also features a polarized pin system with a two-position design, helping to ensure proper mating for a reliable connection.

Working Principle

The working principle of the ST4-40-1.50-L-D-P-TR connector is quite simple. When two boards are mated together, the pins of the connector align with their respective contact points on the opposite board, allowing current to flow between them. This creates a secure, robust connection that delivers reliable data and power transmission. The connector also helps to prevent short circuits between the two boards, as each pin must be properly aligned and locked before current can flow.

Conclusion

The ST4-40-1.50-L-D-P-TR is an invaluable mezzanine board-to-board connector. Its high-performance, tin-plated steel pins and standard-grade black phosphor bronze insulation deliver a reliable connection, while its two-position design ensures proper mating for maximum performance. The connector is designed for a variety of applications, including display systems, communications equipment, instrumentation, data processing equipment, automobiles, robotics, aerospace, industrial electronics, and test and measurement equipment.

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