Molex Mini-Fit Jr Series Straight Through Hole PCB Header, 12 Contact, 4.2 mm Pitch, 2 Row, Shrouded 39-28-8120

Molex 39-28-8120 Mini-Fit Jr Series PCB Header is a precision-engineered, 12-contact, 4.2 mm pitch connector designed for reliable through-hole mounting on printed circuit boards. This shrouded male header features a robust nylon housing that fully isolates terminals to safeguard against debris, arcing, and damage during handling. The brass contacts with tin plating provide excellent conductivity and corrosion resistance.

This connector supports up to 6A of current per contact and operates comfortably within a temperature range of -40°C to 105°C, making it suitable for diverse industrial and electronic equipment applications. The two-row straight orientation with polarization and keying features ensures correct and secure mating, preventing misalignment and potential damage. A positive locking mechanism with an audible click confirms full engagement for added reliability.

Designed as part of the Mini-Fit Junior power connector system, the 39-28-8120 model is ideal for high current, high density wire-to-board applications requiring design flexibility. It is commonly used in consumer white goods, office equipment, industrial automation, industrial networks, rack-mount servers, routers, and switches. The through-hole mount type offers mechanical stability during PCB assembly.

The housing material complies with electrical safety standards and provides scoop-proof protection to prevent contact damage during alignment. This connector is a secure, durable solution for industrial, commercial, and manufacturing environments where reliable wire-to-board connections are critical.

Supports up to 6A current per contact for robust performance. Features a 4.2 mm pitch and 2-row straight orientation. Shrouded nylon housing enhances terminal protection and durability. Constructed with brass contacts plated in tin for reliable connectivity.

Includes positive locking mechanism with audible click for secure mating. Operating temperature range from -40°C to 105°C ensures stability under varied conditions. Polarization and keying features prevent misalignment and mismating.

Mount type is through hole for secure PCB attachment. Ideal for high current and high density wire-to-board applications. Originates from China with new product condition.

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