Molex Mini-Fit Jr Series Straight Through Hole PCB Header, 2 Contact(s), 4.2 mm Pitch, 2 Row(s), Shrouded

RS Stock No.:: 670-5571
Mfr. Part No.:: 39-29-9027
Brand:: Molex

Molex Mini-Fit Jr Series Straight Through Hole PCB Header, 2 Contact(s), 4.2 mm Pitch, 2 Row(s), Shrouded

Bulk discount available

Subtotal (1 pack of 5 units)*

£2.70

(exc. VAT)

£3.25

(inc. VAT)

FREE delivery for orders over £50.00

In Stock

Plus 330 unit(s) shipping from 17 November 2025
Plus 1,165 unit(s) shipping from 24 November 2025

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Units	Per unit	Per Pack*
5 - 95	£0.54	£2.70
100 - 370	£0.354	£1.77
375 - 1495	£0.34	£1.70
1500 +	£0.328	£1.64

*price indicative

RS Stock No.:: 670-5571
Mfr. Part No.:: 39-29-9027
Brand:: Molex

Specifications

Technical Reference

Legislation and Compliance

Product Details

Find similar products by selecting one or more attributes.

Select all	Attribute	Value
	Brand	Molex
	Series	Mini-Fit Jr
	Product Type	PCB Header
	Current	9A
	Pitch	4.2mm
	Number of Contacts	2
	Housing Material	Nylon
	Number of Rows	2
	Orientation	Straight
	Shrouded/Unshrouded	Shrouded
	Connector System	Wire-to-Board
	Mount Type	Through Hole
	Contact Plating	Tin
	Contact Material	Brass
	Termination Type	Solder
	Minimum Operating Temperature	-40°C
	Contact Gender	Male
	Maximum Operating Temperature	105°C
	Standards/Approvals	No
	Voltage	600 V
	Distrelec Product Id	304-33-510

	Select all
	Brand Molex
	Series Mini-Fit Jr
	Product Type PCB Header
	Current 9A
	Pitch 4.2mm
	Number of Contacts 2
	Housing Material Nylon
	Number of Rows 2
	Orientation Straight
	Shrouded/Unshrouded Shrouded
	Connector System Wire-to-Board
	Mount Type Through Hole
	Contact Plating Tin
	Contact Material Brass
	Termination Type Solder
	Minimum Operating Temperature -40°C
	Contact Gender Male
	Maximum Operating Temperature 105°C
	Standards/Approvals No
	Voltage 600 V
	Distrelec Product Id 304-33-510

COO (Country of Origin):: MX

Molex Mini-Fit Jr. Series PCB Header, 4.2mm Pitch, 9A Current Rating - 39-29-9027

This PCB header is a component within the Mini-Fit Jr. series, featuring a 4.2mm pitch and designed for through-hole mounting. With straight body orientation and shrouded construction, it provides enhanced reliability in various electronic applications. The connector's brass contacts are plated with tin, ensuring superior conductivity and performance. Designed for wire-to-board configurations, it supports a current rating of 9A and a voltage rating of up to 600V, making it suitable for demanding environments.

Features & Benefits

• Fully isolated terminals protect against damage during handling

• Positive locking housings prevent accidental unmating

• Polarised mating geometry ensures correct connections

• High-current alloy terminals offer improved electrical performance

• Features elongated dimple design for better contact reliability

• Terminal position assurance effectively reduces assembly errors

Applications

• Utilised in gaming machines for secure connection

• Commonly found in industrial automation equipment

• Effective in vending machine wiring for efficient operations

• Integral for medical devices requiring dependable connections

• Used in telecommunications for backplane assemblies

How does the shrouded design benefit the overall functionality?

The shrouded design helps prevent misalignment during mating, ensuring a secure connection and reducing the risk of damage to terminals in tight spaces.

What contact material is used, and how does it affect performance?

The use of brass for the contacts enhances conductivity while the tin plating provides resistance to corrosion, ensuring long-lasting and reliable electrical connections.

How many mating cycles can this connector withstand?

The connector is rated for up to 75 mating cycles with tin-plated terminals, while select options allow for up to 1,500 cycles when using gold-plated terminals, enhancing durability in frequent use scenarios.