Molex Micro-Fit 3.0 Series Straight Surface PCB Header, 4 Contact(s), 3 mm Pitch, 2 Row, Shrouded

RS Stock No.:: 170-7134
Mfr. Part No.:: 43045-0418
Manufacturer:: Molex

Molex Micro-Fit 3.0 Series Straight Surface PCB Header, 4 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 reel of 1800 units)*

HK$22,015.80

FREE delivery for orders over HK$250.00

Temporarily out of stock

Shipping from 01 May 2026

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

Units	Per unit	Per Reel*
1800 - 1800	HK$12.231	HK$22,015.80
3600 - 5400	HK$11.925	HK$21,465.00
7200 +	HK$11.742	HK$21,135.60

*price indicative

RS Stock No.:: 170-7134
Mfr. Part No.:: 43045-0418
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
	Current	5A
	Pitch	3mm
	Number of Contacts	4
	Housing Material	Thermoplastic
	Number of Rows	2
	Orientation	Straight
	Shrouded/Unshrouded	Shrouded
	Mount Type	Surface
	Connector System	Wire-to-Board
	Contact Material	Brass
	Contact Plating	Tin
	Minimum Operating Temperature	-40°C
	Row Pitch	3mm
	Termination Type	Solder
	Maximum Operating Temperature	105°C
	Contact Gender	Male
	Mating Pin Length	3mm
	Standards/Approvals	No
	Voltage	250 V

	Select all
	Brand Molex
	Product Type PCB Header
	Series Micro-Fit 3.0
	Current 5A
	Pitch 3mm
	Number of Contacts 4
	Housing Material Thermoplastic
	Number of Rows 2
	Orientation Straight
	Shrouded/Unshrouded Shrouded
	Mount Type Surface
	Connector System Wire-to-Board
	Contact Material Brass
	Contact Plating Tin
	Minimum Operating Temperature -40°C
	Row Pitch 3mm
	Termination Type Solder
	Maximum Operating Temperature 105°C
	Contact Gender Male
	Mating Pin Length 3mm
	Standards/Approvals No
	Voltage 250 V

COO (Country of Origin):: MX

Molex 43045 Series PCB Header, 3mm Pitch, 8.5A Current - 43045-0418

This PCB header is a reliable connection component designed for wire-to-board applications. With a 3.0mm pitch and a dual-row layout featuring four circuits, this surface mount connector ensures efficient power delivery. The shrouded design enhances stability during installation, while its robust solder termination method provides durable connections, making it suitable for a variety of electrical applications.

Features & Benefits

• Fully shrouded design enhances connector integrity

• Surface mount configuration allows for compact PCB designs

• Brass contact connectors ensure optimal conductivity

• Rated for 600V, suitable for high-voltage applications

• Glow-wire compliant for enhanced safety in electrical devices

• Durable tin plating resists corrosion and wear

Applications

• Ideal for power distribution in electronic devices

• Utilised in automation equipment for reliable connections

• Suitable for consumer electronics requiring robust connectivity

• Employed in industrial machinery for efficient wire management

What is the recommended PCB thickness for optimal performance?

The recommended PCB thickness for this header is 1.60mm to ensure proper alignment and retention during use.

How does the glow-wire compliance feature enhance safety?

This connector meets high-temperature standards, ensuring it withstands extreme heat and reduces the risk of ignition in household electrical appliances.

What are the maximum operating conditions for this header?

This connector operates effectively within a temperature range of -40°C to +105°C, making it versatile for various environments.

Can this connector be used in high-frequency applications?

While primarily designed for power applications, its low contact resistance allows for use in certain signal applications, pending evaluation of specific requirements.