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Molex Mini-Fit Male Connector Housing 4.2 mm Pitch 12 Way 2 Row Straight 39-01-2121
Specifications
| Country of Origin | China |
|---|---|
| Brand | Molex |
| Orientation | Straight |
| Length | 31.8mm |
| Width | 23.9mm |
| Mount Type | Panel Mount |
| Housing Material | Nylon |
| Series | Mini-Fit |
| Number of Rows | 2 |
| Pitch | 4.2mm |
| For Use With | 5558, 30490 Male Terminals, 46012 Mini-Fit Plus Crimp Terminals |
| Number of Contacts | 12 |
| Connector Gender | Male |
Key Features
- Constructed from impact-resistant nylon material for durability and safety.
- Compact dimensions of 31.8 mm length, 23.9 mm width, and 12 mm height save enclosure space.
- Operates reliably in temperatures from -40°C to +105°C for harsh environments.
- Positive locking mechanism ensures secure mating with audible click confirmation.
- Rated for currents up to 13A, suitable for heavy-duty electrical applications.
- Polarized design prevents mismating and alignment errors during installation.
- Fully isolated terminals protect against debris and mishandling.
- Designed for panel mount with straight orientation, compatible with Mini-Fit crimp terminals.
Product Description
Molex 39-01-2121 Mini-Fit Male Connector Housing is a 12-way, 2-row straight connector housing featuring a 4.2 mm pitch, optimized for robust and precise wire-to-board connections in demanding electrical and electronic applications. Made from high-quality nylon, the housing offers excellent impact resistance and is self-extinguishing, preventing fire propagation within 30 seconds. Its compact size of 31.8 mm length, 23.9 mm width, and 12 mm height makes it ideal for tight spaces in electronic assemblies.
Designed to withstand operating temperatures ranging from -40°C to +105°C, this connector housing is suitable for industrial, commercial, security systems, routers and switches, and household appliances like washers and dryers. The housing supports a current rating of up to 13A, ensuring reliable performance in heavy-duty circuits.
The positive locking mechanism of this Molex connector housing provides a secure and vibration-resistant connection, confirmed by an audible click when properly mated. Its polarized and keyed design eliminates the risk of mismating or incorrect alignment, enhancing installation quality and safety. The fully isolated terminals protect the connection from damage caused by debris and mishandling.
This Mini-Fit Jr series housing supports panel mount applications and is compatible with 5558, 30490 male terminals, and 46012 Mini-Fit Plus crimp terminals. It is suitable for wire-to-wire and wire-to-board configurations, making it a versatile solution in electrical connector systems.
Impact resistant nylon housing material. Compact and space-efficient dimensions. Wide operational temperature range. High current carrying capacity. Secure positive locking with audible confirmation. Polarized for error-free connections.
Fully isolated terminals for protection. Panel mount and straight orientation design.
Ideal for use in industrial electronics, manufacturing equipment, HVAC systems, security installations, and appliance manufacturing. Molex Mini-Fit male connector housings are essential components for safe, reliable electrical interconnections.
Explore the Molex catalog and other Connector Housings at EnvMart for comprehensive electronic component solutions.
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Frequently Asked Questions
This connector housing is rated for currents up to 13A, making it suitable for heavy-duty electrical applications.
The compact dimensions of this model are 31.8 mm in length, 23.9 mm in width, and 12 mm in height.
It is constructed from impact-resistant nylon, which provides durability and safety in various applications.
The housing operates reliably in temperatures ranging from -40°C to +105°C, suitable for harsh environments.
The positive locking mechanism ensures a secure connection with an audible click confirmation when properly mated, enhancing reliability.
This model is designed for panel mount applications, allowing for secure installation in various settings.
It is compatible with 5558, 30490 male terminals, and 46012 Mini-Fit Plus crimp terminals.
This housing features 12 contacts arranged in 2 rows, designed for efficient wire-to-board connections.
Yes, the polarized design prevents mismating and alignment errors during installation, enhancing safety.
It is suitable for use in industrial electronics, manufacturing equipment, HVAC systems, security installations, and appliance manufacturing.
The fully isolated terminals protect against debris and mishandling, ensuring reliable connections.
The contacts in this housing have a pitch of 4.2 mm, optimized for robust connections.
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