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

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Subtotal (1 pack of 5 units)*

£2.70

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£3.25

(inc. VAT)

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  • 335 unit(s) ready to ship
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5 - 95£0.54£2.70
100 - 370£0.354£1.77
375 - 1495£0.34£1.70
1500 +£0.328£1.64

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

Molex

Series

Mini-Fit Jr.

Pitch

4.2mm

Number of Contacts

2

Number of Rows

2

Body Orientation

Straight

Shrouded/Unshrouded

Shrouded

Mounting Type

Through Hole

Connector System

Wire to Board

Termination Method

Solder

Contact Plating

Tin

Contact Material

Brass

Series Number

5566

Current Rating

9.0A

Voltage Rating

600.0 V

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.


Molex Minifit Jr.™ Series

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