Molex / Brad Mini-Fit Jr. 20-Way PCB Header Assembly, 4.2mm Pitch

The Molex / Brad Mini-Fit Jr. 20-Way PCB Header Assembly is a high-quality, shrouded connector designed for secure and reliable power connections on printed circuit boards (PCBs). This through-hole header features a positive locking mechanism to prevent accidental disconnection, ensuring a stable electrical link in demanding applications. Its polarized mating geometry guarantees correct orientation every time, protecting against incorrect insertion that could damage components. The scoop-proof housing design further enhances reliability by preventing pins from being bent or misaligned during the mating process.

Compatible with standard Mini-Fit and Mini-Fit Plus crimp terminals, this header offers excellent versatility within the proven Mini-Fit Jr. 5566 product range. The robust brass contacts are tin-plated to provide good conductivity and corrosion resistance, supporting consistent power delivery. With a compact 4.2mm pitch and a two-row configuration, it allows for efficient use of board space while delivering 20 individual contact points.

Key Features & Specifications

• Connector Type: PCB Mount Header
• Contact Configuration: 20 contacts arranged in 2 rows
• Pitch Spacing: 4.2mm
• Termination: Through-hole, straight
• Housing: Shrouded, scoop-proof design
• Locking: Positive locking housings for secure mating
• Mating Safety: Polarized geometry prevents mis-mating
• Contact Material: Brass with tin plating
• Compatibility: Accepts standard Mini-Fit and Mini-Fit Plus crimp terminals
• Dimensions: 33mm (Width) x 43mm (Height) x 15mm (Depth)
• Weight: 4 grams

This header assembly is an ideal choice for engineers and technicians requiring a dependable, industry-standard power connector for PCB-level integration in various electronic devices and systems.