0430450412

About this part

# 0430450412 – 4-Position Micro-Fit 3.0 Header – Molex

The 0430450412 is a high-performance, 4-position Micro-Fit 3.0 header from Molex, designed for reliable board-to-cable connections in demanding applications. PCX offers this component with guaranteed quality, fast shipping, and dedicated customer support.

## Key Features
– **Current Rating:** 8A
– **Voltage Rating:** 600V
– **Pitch:** 0.118″ (3.00mm)
– **Contact Finish:** Tin (100.0µin thickness)
– **Operating Temperature:** -40°C to 105°C
– **Mounting Type:** Through Hole
– **Fastening Type:** Locking Ramp for secure mating
– **Insulation Material:** UL94 V-0 rated Liquid Crystal Polymer (LCP), Glass Filled

## Technical Details
This rectangular connector features a 2-row, 4-position shrouded header with male pin contacts. Constructed with brass contacts and tin plating, it ensures excellent conductivity and corrosion resistance. The board guide feature simplifies alignment during assembly, while the locking ramp mechanism provides a secure, vibration-resistant connection. With an insulation height of 0.390″ (9.91mm) and square contact shape, it offers robust performance in compact designs.

## Applications
– Automotive control systems
– Industrial automation equipment
– Medical monitoring devices
– Telecommunications infrastructure
– General-purpose electronics

## About the Manufacturer
Molex is a globally recognized leader in connectivity solutions, with over 80 years of innovation in electronic components. The company is renowned for its engineering expertise, rigorous quality standards, and commitment to advancing technology across industries. Molex connectors are trusted by design engineers worldwide for their reliability, performance, and compatibility with automated assembly processes.

Molex’s Micro-Fit 3.0 series exemplifies their dedication to creating high-density, high-current solutions that meet evolving market needs. Their components undergo extensive testing to ensure they perform consistently in the most challenging environments, making them a preferred choice for automotive, industrial, and medical applications where failure is not an option.

## About Headers & Wire Housings
Headers and wire housings are fundamental components in electronic interconnect systems, providing the critical interface between PCBs and cables. These parts enable power and signal transmission across various devices, ensuring stable and secure connections even under mechanical stress, vibration, or temperature fluctuations. Proper selection of headers impacts overall system reliability, efficiency, and longevity.

The Micro-Fit 3.0 series headers, like the 0430450412, are designed for high-current applications where space savings and reliability are paramount. They are widely used in automotive, industrial, and consumer electronics for their robust construction, ease of assembly, and compliance with international safety standards. Choosing the right header ensures optimal performance and reduces the risk of connection failures in end products.

## Packaging Options
This product is available in tray packaging, ideal for automated assembly processes. PCX provides flexible order quantities to meet both prototyping and production needs.

## Frequently Asked Questions
**Q: What is the maximum current rating for this header?**
A: This Micro-Fit 3.0 header supports up to 8A per contact.

**Q: Is this connector compatible with automated assembly?**
A: Yes, its through-hole design and tray packaging make it suitable for automated pick-and-place and soldering processes.

**Q: What is the operating temperature range?**
A: It operates reliably in temperatures from -40°C to 105°C.

**Q: Does it include a locking mechanism?**
A: Yes, it features a locking ramp for secure mating and vibration resistance.

**Q: Is the insulation material flame-retardant?**
A: Yes, it uses UL94 V-0 rated LCP material for enhanced safety.

**Q: Can I request a sample before placing a bulk order?**
A: PCX offers sample requests for qualified customers—contact our support team for details.

*Image is for representational purposes only; refer to the datasheet for exact specifications.*

[View Datasheet](https://us.rs-online.com/m/d/1a890b73a93173cd4a631657b25e757d.pdf)

Order today for fast delivery and reliable supply from PCX!