Molex Mini-Fit Jr Series Straight Through Hole PCB Header 4 Contact 4.2 mm Pitch 2 Row Shrouded 39-28-9048

Molex 39-28-9048 Mini-Fit Jr Series Straight Through Hole PCB Header is a professional-grade, shrouded male connector designed for high current wire-to-board and wire-to-wire interconnection systems. It features 4 contacts arranged in 2 rows with a 4.2 mm pitch providing secure, compact power connections for demanding electrical and industrial applications.

The connector housing is made from robust nylon material, offering electrical insulation and mechanical durability. Brass contact terminals plated with gold ensure excellent conductivity and long-term resistance to corrosion. The connector supports currents up to 9 amperes per circuit and voltages up to 600 volts, making it an ideal choice for power distribution in industrial automation, consumer electronics, office equipment, and similar sectors.

Key design features include fully isolated terminals for protection from debris and mishandling, scoop-proof housings that protect pin terminals during mating, and built-in polarization and keying to prevent misalignment. The positive locking mechanism secures the connector under vibration and mechanical shock, accompanied by an audible click feedback confirming correct mating.

This PCB header is suitable for through-hole mounting with solder termination, ensuring reliable and permanent installation on printed circuit boards. Operating temperature range from -40°C to 105°C allows deployment in varied ambient conditions.

Industrial and commercial applications include integration in rack-mount servers, routers, switches, industrial networks, consumer white goods, and other equipment demanding compact and dependable power connectors.

Capable of carrying up to 9A current per circuit ensuring high current capability. Constructed with durable nylon housing for reliable insulation and stability. Features brass contact material with gold plating for excellent conductivity and corrosion resistance.

Includes fully isolated terminals and scoop-proof housings to prevent terminal damage. Designed with polarization, keying, and positive locking mechanism to prevent mismating and accidental disconnection. Operates in temperatures ranging from -40°C to 105°C suitable for various environments.

Termination type is solder to ensure secure PCB connection. Voltage rating up to 600V supports a broad range of electronic applications. Explore our selection of PCB Headers and connectors for industrial and commercial electronic assembly needs at EnvMart.