3M 3000 Series Straight Through Hole PCB Header, 34 Contact(s), 2.54 mm Pitch, 2 Row, Shrouded N3431-6302RB

3M N3431-6302RB 3000 Series Straight Through Hole PCB Header features 34 contacts arranged in two rows with 2.54 mm pitch. This shrouded male header is designed for board-to-board and wire-to-board connectivity in electronic assemblies and industrial instrumentation.

The header's copper alloy contacts are gold plated to ensure excellent conductivity and corrosion resistance. Its 4-wall shrouding protects the contacts against mechanical damage during installation and operation, enhancing durability.

The robust roll pin style ejector latches secure the mating connector firmly while enabling easy disconnection when maintenance is required. This model’s high temperature PCT thermoplastic housing supports lead-free soldering processes up to 260°C, complying with JEDEC J-STD-020C standards.

Operating reliably across a temperature range from -55°C to 105°C, this header is suitable for demanding industrial, communications, instrumentation, medical, and consumer electronics applications. The product also includes polarisation features including centre bump and optional military-grade polarisation using a polarisation key (3M part number N3518) to ensure correct connector alignment and prevent incorrect mating.

The through hole mounting ensures stable mechanical and electrical connection to printed circuit boards. Rated at 1A current and 25V, it is optimized for low power signal interfacing and control circuits. Its compact size with a tail pin length of 0.01 inch and mating pin length of 6.2 mm makes it compatible with standard PCB layouts.

Features 2 rows of 34 gold-plated copper alloy contacts for reliable electrical connections. Designed with 4-wall shrouding to protect contacts from mechanical damage. Equipped with robust long roll pin style ejector latches for secure and easy connector removal.

Supports high-temperature PCT housing suitable for lead-free soldering processes up to 260°C. Offers board-to-board and wire-to-board connector system compatibility with through hole mount type. Operates reliably between -55°C and 105°C temperature range for industrial use.

Includes centre bump polarisation and options for military polarisation using a polarisation key for connection alignment. Tail pin length of 0.01 inch and mating pin length of 6.2 mm ensure precise fitment. Rated for 1A current at 25V suitable for various electronic applications.

This PCB header series by 3M is widely used in electronic component assemblies across various industrial sectors such as manufacturing, industrial instrumentation, communication devices, medical equipment, and consumer electronics, requiring dependable, compact, and easy-to-maintain connectivity.

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