Molex Micro-Fit 3.0 Series Vertical Through Hole PCB Header, 12 Contact(s), 3 mm Pitch, 2 Row, Shrouded

RS Stock No.:: 233-2927
Mfr. Part No.:: 43045-1212
Manufacturer:: Molex

Molex Micro-Fit 3.0 Series Vertical Through Hole PCB Header, 12 Contact(s), 3 mm Pitch, 2 Row, Shrouded

The image is for reference only, please refer to product details and specifications

Bulk discount available

Subtotal (1 pack of 5 units)*

HK$65.00

FREE delivery for orders over HK$250.00

In Stock

260 unit(s) ready to ship from another location
Plus 2,085 unit(s) shipping from 25 December 2025

Need more? Click ‘Check delivery dates’ to find extra stock and lead times.

Units	Per unit	Per Pack*
5 - 250	HK$13.00	HK$65.00
255 - 500	HK$12.70	HK$63.50
505 +	HK$12.42	HK$62.10

*price indicative

RS Stock No.:: 233-2927
Mfr. Part No.:: 43045-1212
Manufacturer:: Molex

Specifications

Product overview and Technical data sheets

Legislation and Compliance

Product Details

Find similar products by selecting one or more attributes.

Select all	Attribute	Value
	Brand	Molex
	Product Type	PCB Header
	Series	Micro-Fit 3.0
	Pitch	3mm
	Current	8.5A
	Number of Contacts	12
	Housing Material	Thermoplastic
	Number of Rows	2
	Orientation	Vertical
	Shrouded/Unshrouded	Shrouded
	Mount Type	Through Hole
	Connector System	Wire-to-Board
	Contact Plating	Tin
	Contact Material	Brass
	Row Pitch	3mm
	Termination Type	Solder
	Minimum Operating Temperature	-40°C
	Maximum Operating Temperature	105°C
	Contact Gender	Male
	Standards/Approvals	No
	Mating Pin Length	3mm
	Voltage	600 V
	Distrelec Product Id	304-40-673

	Select all
	Brand Molex
	Product Type PCB Header
	Series Micro-Fit 3.0
	Pitch 3mm
	Current 8.5A
	Number of Contacts 12
	Housing Material Thermoplastic
	Number of Rows 2
	Orientation Vertical
	Shrouded/Unshrouded Shrouded
	Mount Type Through Hole
	Connector System Wire-to-Board
	Contact Plating Tin
	Contact Material Brass
	Row Pitch 3mm
	Termination Type Solder
	Minimum Operating Temperature -40°C
	Maximum Operating Temperature 105°C
	Contact Gender Male
	Standards/Approvals No
	Mating Pin Length 3mm
	Voltage 600 V
	Distrelec Product Id 304-40-673

Molex Micro-Fit 3.0 Series PCB Header, 8.5A Current Rating, 3mm Pitch - 43045-1212

This PCB header ensures a dependable connection in various applications, especially in power and wire-to-board configurations. The Micro-Fit 3.0 connector features a shrouded design that enhances safety and usability, providing a secure fit for demanding requirements within the automation and electronics sectors.

Features & Benefits

• Brass contacts deliver high conductivity and durability

• Glow wire compatible, designed to withstand high-temperature ratings

• Vertical orientation facilitates streamlined integration into various devices

Applications

• Utilised for power distribution in printed circuit boards

• Compatible with microcontrollers and electronic devices

What is the current rating per contact, and can it handle my application?

The maximum current rating is 5A per contact, ensuring adequate performance for various setups. Ensure your configuration does not exceed this rating.

How should I install the component for optimal performance?

Solder the component through the designated holes on the PCB for a secure fit. Ensure correct alignment before soldering.

Can multiple headers be used in the same circuit?

Yes, multiple headers can be employed, as long as they do not surpass the collective current limitations of your circuit.

What is the recommended PCB thickness for use?

The advised PCB thickness for this header is 1.60mm, which ensures optimal retention and connection integrity.