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Molex Mini-Fit Jr Series Straight Through Hole PCB Header, 12 Contacts, 4.2 mm Pitch, 2 Row, Shrouded 39-28-9128

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Molex Mini-Fit Jr Series Straight Through Hole PCB Header, 12 Contacts, 4.2 mm Pitch, 2 Row, Shrouded 39-28-9128

Name: Molex Mini-Fit Jr Series Straight Through Hole PCB Header, 12 Contacts, 4.2 mm Pitch, 2 Row, Shrouded 39-28-9128
Brand: Molex
SKU: 347277
Price: 6.92 USD
Availability: InStock

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Category PCB Headers Brand Molex Condition New

Specifications

Country of Origin	Mexico
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	Gold
Number of Contacts	12
Contact Gender	Male
Shrouded/Unshrouded	Shrouded
Connector System	Wire-to-Board

Key Features

Supports up to 9A current per circuit providing reliable power delivery.
Constructed with brass contacts plated in gold for durability and corrosion resistance.
Housing made from nylon offering scoop-proof protection and mechanical stability.
Features polarization and keying to prevent mismating and ensure correct assembly.
Positive locking mechanism ensures secure connection under shock and vibration.
Operating temperature range from -40°C to 105°C suitable for diverse environments.
Designed for wire-to-board connection with through hole mounting type.
Shrouded design protects contacts from debris and damage.

Product Description

Molex 39-28-9128 Mini-Fit Jr Series Straight Through Hole PCB Header is a high-quality connector designed for carrying up to 9A current per circuit. Featuring 12 contacts arranged in 2 rows with a 4.2 mm pitch, it ensures efficient power delivery for demanding electronic applications.

The header contacts are constructed from brass and plated with gold to enhance conductivity and resistance against corrosion. The nylon housing provides robust mechanical protection with scoop-proof design to prevent damage during mating or handling.

Its polarization and keying features prevent misalignment and mismating with mating receptacles, providing reliable and secure connections. An audible click confirms full mating, and the positive locking mechanism prevents accidental disconnection caused by shock or vibration.

Designed as a wire-to-board connector with through hole mounting, this PCB header is shrouded for terminal isolation and protection from debris and arcing. It operates reliably over a wide temperature range from -40°C up to 105°C, making it suitable for industrial, consumer, and networking equipment applications.

This Molex Mini-Fit Jr PCB header is widely used in industrial automation systems, consumer white goods, office equipment, and networking hardware such as servers and switches that demand high current in a compact footprint.

Supports up to 9A current per circuit providing reliable power delivery. Brass contacts plated with gold for corrosion resistance and high conductivity. Nylon scoop-proof housing prevents mechanical damage. Polarization and keying prevent mismating during assembly.

Positive locking mechanism ensures secure and vibration resistant connections. Wide operating temperature range from -40°C to 105°C. Wire-to-board, through hole mount compatible with various PCBs. Shrouded design provides terminal protection and isolation.

Manufactured in Mexico under stringent quality standards. Ideal for industrial automation, consumer electronics, and networking equipment.

EnvMart offers a comprehensive collection of PCB connectors including the Mini-Fit Jr series for specialized industrial and electronic applications. Explore related Molex connector solutions for robust and reliable interconnections.

Explore more products in our PCB Headers category.

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Frequently Asked Questions

This PCB header supports up to 9A current per circuit, providing reliable power delivery for various applications.

The contacts in this model are arranged with a pitch of 4.2 mm, allowing for efficient spacing and connection.

The contacts are made from brass and plated with gold for enhanced conductivity and corrosion resistance, while the housing is constructed from nylon for mechanical stability.

It operates reliably over a wide temperature range from -40°C to 105°C, making it suitable for diverse environments.

This model features 12 contacts arranged in 2 rows, facilitating multiple connections in a compact design.

This connector is designed for through hole mounting, making it suitable for various PCB applications.

Yes, it includes polarization and keying features to prevent misalignment and mismating with mating receptacles.

The voltage rating for this PCB header is 600V, ensuring it can handle high voltage applications.

This unit uses solder termination, which is standard for secure connections in PCB applications.

The housing is shrouded, providing terminal protection and isolation from debris and damage during operation.