73546-140

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Rectangular connectors are a broad class of connectors that is commonly used in a variety of industrial, medical, consumer, and military applications. One popular type of rectangular connector, the 73546-140 series, is a commonly used header in both commercial and military applications. This header contains pins that extend outward from the connector body and into the mating connector. The 73546-140 header has been proven reliable in harsh environmental conditions, such as extreme temperature, vibration, and shock.

The 73546-140 series of rectangular connectors is a 2.54mm (.100”) pitch board-to-board and board-to-cable connector system for harsh environment applications. The headers are available with three different numbers of positions, depending on the application requirements. Furthermore, solder tails, surface mount tails, and press-fit tails are available for the 73546-140 series. The solder tails are designed for solder reflow applications, while the surface mount tails are designed for wave solder applications. Finally, the press-fit tails are designed for automated insertion applications.

The mating connectors for the 73546-140 headers are the 73545-140 series, and they are available with 2 or 3 rows of pins. Both have a 2.54mm (.100”) pitch and feature high retention force and a Green ACT-ON Nylon housing (UL 94V-2). The 73545-140 series of connectors have two styles of contacts to choose from, an “anti-wicking” contact or a twinax contact. The anti-wicking contact system employs a mated contact design that uses the housings to act as a shield; allowing the connectors to resist the effects of vibration, shock, and thermal cycling. The twinax contact system is natural push-pull mating that reduces the risk of accidental unmating.

The working principle of the 73546-140 connectors is based on the contact design of the mating connectors. The receptacle connectors, or 73545-140 series, have a series of pins which contact the corresponding soldered pins of the header, or 73546-140 series. The pins of the 73545-140 are held in place within the housing of the plug and the force created by the pins ensures an electrical connection is maintained with the corresponding pins of the header. This connection is then maintained through the shock, vibration and temperature cycling that the connectors are subjected to in a given environment.

In addition to the reliable contact design, the 73546-140 series also features blind-mating and polarized-mating capabilities. This means that the mating connector is mechanically prevented from being mated to an incorrect header. Furthermore, a gasket is available for the connector that seals the contact area and prevents contaminants from entering the connection. This gasket is RoHS compliant, so it is ideal for use in consumer applications.

The 73546-140 series of rectangular connectors offer reliable performance in a variety of applications. From industrial to medical and military applications, this series can be utilized to create a secure and reliable connection between necessary parts. Furthermore, the connector series has a variety of contact designs, pin configurations, and gasket options, so it can be tailored to a variety of specific needs.

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