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Molex Mini-Fit Jr Series 12 Contact Wire-to-Board PCB Header 4.2 mm Pitch 2 Row Shrouded 39-28-1123
Specifications
| Country of Origin | China |
|---|---|
| Voltage | 600V |
| Brand | Molex |
| Orientation | Straight |
| Current | 9A |
| Mount Type | Through Hole |
| Housing Material | Nylon |
| Contact Material | Brass |
| Series | Mini-Fit Jr |
| Termination Type | Solder |
| Maximum Operating Temperature | 105°C |
| Minimum Operating Temperature | -40°C |
| Number of Rows | 2 |
| Pitch | 4.2mm |
| Contact Plating | Tin |
| Number of Contacts | 12 |
| Contact Gender | Male |
| Shrouded/Unshrouded | Shrouded |
| Connector System | Wire-to-Board |
| Tail Pin Length | 3.5mm |
Key Features
- The connector supports up to 9A current per circuit for high power applications.
- It features a compact 4.2 mm pitch, optimized for space-saving on PCB layouts.
- Nylon housing provides durability and protection against bending and damage.
- Contacts are made of brass with a tin plating to ensure strong conductivity and corrosion resistance.
- Designed with a positive locking mechanism for secure mating and vibration resistance.
- Suitable for various applications including domestic appliances, lighting systems, server rooms, and vehicle monitoring.
- Operating temperature range from -40°C to 105°C ensures reliable performance in diverse environments.
- Mount type is through hole with a straight orientation and shrouded design for contact protection.
Product Description
Molex 39-28-1123 Mini-Fit Jr Series PCB Header is a high-quality wire-to-board connector designed for efficient power and signal transmission with its 12 male contacts arranged in two rows and a 4.2 mm pitch.
The shrouded nylon housing provides robust protection for the contacts, preventing bending and damage, while the brass contacts plated with tin offer excellent electrical conductivity and corrosion resistance. Its through-hole mount and straight orientation facilitate easy soldering and installation onto printed circuit boards.
This PCB header supports a current rating of up to 9A per circuit and withstands operating temperatures from -40°C to 105°C, making it suitable for demanding environments. The connector system incorporates scoop-proof housings, polarization, and keying to ensure proper mating and prevent misalignment or accidental disengagement caused by vibration or shocks. An audible click confirms the connector is fully locked in position.
Typical applications include domestic appliance circuits, lighting installations, server room equipment connections, and vehicle monitoring systems where reliable and compact interconnection solutions are required.
The connector supports up to 9A current per circuit for high power applications. Compact 4.2 mm pitch reduces PCB footprint and increases packing density. Nylon shroud housing protects against contact damage and prolongs service life.
Scoop-proof design and keyed housings prevent misalignment and contact damage. Positive locking mechanism secures the connection with audible confirmation. Through-hole mount with straight orientation allows for sturdy PCB attachment.
Brass contacts with tin plating provide durable and reliable electrical connections. Wide operating temperature range from -40°C to 105°C.
Choose Molex Mini-Fit Jr Series PCB Headers for engineering applications requiring dependable, compact, and easy-to-install power connectors. Explore more in our Electronics Components and PCB Headers category on EnvMart.
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Frequently Asked Questions
This PCB header supports a maximum current rating of 9A per circuit, making it suitable for high power applications.
The contacts in this model are arranged with a pitch of 4.2 mm, which helps in optimizing space on PCB layouts.
It uses a through-hole mounting type, which allows for secure attachment to printed circuit boards.
The housing is made of nylon, while the contacts are made of brass with a tin plating for enhanced conductivity and corrosion resistance.
The operating temperature range for this connector is from -40°C to 105°C, ensuring reliable performance in various environments.
This PCB header features 12 male contacts arranged in two rows.
Yes, it is designed with a positive locking mechanism that provides secure mating and includes an audible click to confirm the connection is fully locked.
The termination type for this model is solder, which is common for PCB connections.
Typical applications include domestic appliances, lighting systems, server room equipment, and vehicle monitoring systems.
The connector has a straight orientation, facilitating easy installation on PCBs.
This connector supports a voltage rating of 600V, making it suitable for various electrical applications.
The country of origin for this product is China.
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