Molex Micro-Fit 3.0 Series Straight Through Hole PCB Header, 4 Contact, 3 mm Pitch, 1 Row, Shrouded 43650-0418

Molex 43650-0418 Micro-Fit 3.0 Series Straight Through Hole PCB Header is a compact power connector designed for wire-to-board applications. It features 4 male contacts arranged in a single row with a 3 mm pitch, optimized for secure and reliable connections with a current rating of 5A and voltage rating of 250V.

The housing is made from high-temperature thermoplastic material, compliant with UL 94V-0 standards, capable of withstanding up to 265°C during IR reflow soldering processes. This shrouded header incorporates positive latching mechanisms via a locking ramp to prevent accidental disconnections.

Designed for through-hole mounting, the connector includes solderable metal press-fit retention clips and kinked solder legs for enhanced PCB retention. Its contacts are made from brass with tin plating, providing reliable electrical performance and corrosion resistance.

This PCB header supports a wide operating temperature range from -40°C to 105°C, making it suitable for demanding industrial, military COTS, solar power, telecommunications, medical, and consumer electronics applications.

The Micro-Fit 3.0 Series offers a low to mid-range power distribution solution with a compact footprint, combining efficient current carrying capacity and robust mechanical design for use in electronic components, power connectors, and PCB wiring systems.

High current carrying capacity of up to 5A in a compact 3 mm pitch form factor. Shrouded, single-row header with straight orientation and through-hole mount for reliable PCB attachment. Constructed with thermoplastic housing rated for high temperatures suitable for IR reflow soldering.

Brass contacts plated with tin to ensure dependable electrical conductivity and corrosion resistance. Features positive latching with a locking ramp to prevent accidental disconnection during use. Compatible with both through-hole and SMT processes offering manufacturing flexibility.

Operating temperature range from -40°C to 105°C for broad environmental tolerance. Kinked solder legs and solderable metal press-fit retention clips enhance PCB retention strength. Designed for wire-to-board applications in low to mid-range power distribution systems.

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