Molex Mini-Fit Jr Male Connector Housing 4.2 mm Pitch 12 Way 2 Row Straight 39-01-3129

Molex 39-01-3129 Mini-Fit Jr Male Connector Housing is a 12-contact, 2-row straight connector housing designed to provide secure and reliable electrical connections in power and electronic applications. With a 4.2 mm pitch and durable nylon housing material, this connector housing supports current ratings up to 13A per circuit, making it ideal for medium to high current environments.

This connector housing features fully isolated terminals that protect against debris and accidental damage caused by mishandling. The integrated polarization and keying features effectively prevent mismating and ensure correct alignment during assembly. A positive locking mechanism secures the mating connections, while an audible click confirms successful engagement, preventing unintended disconnections from shocks or vibrations.

The housing complies with flame retardant standards UL94V-0 and UL94V-2, enhancing the safety profile for use in demanding industrial, electronic, and electrical equipment. The Mini-Fit Jr series offers compatibility with Mini-Fit and Mini-Fit Plus crimp terminals, allowing flexible wiring configurations including wire-to-wire and wire-to-board applications.

The connector housing measures 26.4 mm in length and 9.6 mm in width, providing a compact footprint suitable for space-constrained designs. This product is manufactured in the United States, ensuring high-quality standards.

Supports up to 13A current per circuit, suitable for high current connectors. Fully isolated terminals protect against debris and damage. Polarization and keying prevent mismating and misalignment. Positive locking mechanism prevents accidental unmating.

Audible click confirms mating connection. Flame retardant nylon housing compliant with UL94V-0 or UL94V-2. Compatible with Mini-Fit and Mini-Fit Plus crimp terminals. Suitable for wire-to-wire and wire-to-board applications.

Compact dimensions with 9.6 mm width and 26.4 mm length.

This connector housing is widely used in industrial, electronic, and power connector assemblies requiring reliable electrical connections with robust mechanical retention. It is ideal for manufacturing, HVAC, telecommunications, and automotive applications that require design flexibility and durable interconnections.

Explore more high-quality Connector Housings and related electronic components at EnvMart for your specialized needs.