The Molex 55559-0168 is a Mini-Fit Jr. connector header, designed for wire-to-board connections. Part of the widely used Mini-Fit Jr. series, it offers a reliable and high-current connection solution for a variety of applications. This particular header is configured with a specific number of circuits and mounting style to meet diverse design requirements.

Applications

• Power supplies
• Consumer appliances
• Industrial equipment
• Automotive electronics
• Medical devices

Features

• High current rating (up to 9A per circuit)
• Durable construction
• Positive locking feature
• Polarization to prevent mismating
• Through-hole mounting

Benefits

• Provides a secure and reliable power connection
• Reduces the risk of accidental disconnections
• Ensures long-term performance in demanding environments
• Simplifies assembly and maintenance
• Suitable for high-power applications

The Molex 55559-0168 connector header is designed for through-hole mounting on a printed circuit board (PCB). It features a positive locking mechanism to ensure a secure connection with the mating connector. The connector is polarized to prevent mismating, reducing the risk of damage to the equipment. The housing is typically made of a high-temperature thermoplastic material, capable of withstanding reflow soldering processes. The contacts are made of a copper alloy with tin or gold plating for optimal conductivity and corrosion resistance.

The Mini-Fit Jr. connector system is known for its versatility and reliability. It's designed to meet the increasing demands of modern electronic devices, offering a balance of compact size and robust performance. The 55559-0168 is commonly used in applications where a secure, high-current connection is essential. Engineers should consult the Molex product datasheet for detailed specifications, including voltage rating, current rating, operating temperature range, and material composition, to ensure compatibility and optimal performance in the intended application. Proper mating will require the use of appropriate Molex housings and crimp terminals for the wire side connection.