Molex Mini Fit Jr.

Whether you're building a power harness, upgrading an industrial machine, or replacing a faulty connector in a custom PC build, Molex Mini-Fit Jr connectors deliver unmatched versatility, performance, and reliability. 

At Vetco Electronics, we carry a wide range of authentic Molex Mini-Fit Jr. components, including 2 pin, 3 pin, 4 pin, and 6 pin configurations, making it easy to find exactly what you need - right when you need it.

What Are Molex Mini-Fit Jr. Connectors?

Molex Mini-Fit Jr. connectors are compact, high-current connectors designed for wire-to-wire and wire-to-board applications. With a standard 4.20mm pitch, they are widely used in power distribution systems and are ideal for tight-space applications where durability and current capacity matter. They support up to 9.0A per circuit and are commonly found in computer power supplies, automotive harnesses, 3D printers, gaming rigs, and industrial control units.

Thanks to the reliability of the Mini-Fit Jr. design, you can use these connectors in both signal and power applications - without worrying about heat or signal loss.

Why Choose Vetco for Molex Mini-Fit Connectors?

• Huge Selection: We stock Mini-Fit Jr connectors in various pin counts and configurations - from 2-pin to 6-pin, male and female housings, terminals, and headers.
• Authentic Components: All of our Molex connectors are genuine - no knock-offs, no substandard clones.
• Fast Shipping & Local Pickup: Get your order quickly with our lightning-fast shipping options or pick up in-store if you're near Seattle.
• Tech Support: Not sure what you need? Vetco’s expert staff is here to help you choose the right part - even if you’re just figuring out your first Molex Mini-Fit Jr. plug.

Applications for Molex Mini-Fit Jr.

From DIY electronics to OEM manufacturing, these connectors are trusted in a wide range of industries:

• Custom power supplies
• Automotive lighting and sensors
• 3D printing electronics
• PC modding and custom cables
• Embedded systems

Popular Products We Stock

At Vetco, you’ll find all your favorite Mini-Fit Jr components, including:

• Molex Mini-Fit Jr 2 Pin Connectors
• Molex Mini-Fit Jr 3 Pin and 4 Pin Variants
• Mini-Fit Jr Male/Female Housings and Crimp Terminals
• Complete Molex Mini-Fit Kits and Tools

Why Molex Mini-Fit is Better than Generic Mini Connectors

Not all connectors are created equal. Molex offers superior engineering, tighter tolerance design, and long-term reliability. Compared to generic mini connectors, Molex Mini-Fit Jr. models provide:

• Higher current rating (up to 9A)
• Dual-row housing options for space efficiency
• Positive locking to prevent disconnect under vibration
• Gold and tin plating options for optimized conductivity

Order from Vetco Electronics Today

When you're searching for Mini-Fit Jr Molex connectors online, you want a supplier you can trust. With over 40 years of experience and a deep inventory of specialty electronic components, Vetco Electronics is your go-to destination for Molex connectors and beyond.

Shop with confidence knowing that your connectors are backed by knowledgeable staff, strong warranties, and top-tier customer service.

Ready to get started? Browse our full collection of Molex Mini-Fit Jr. connectors and accessories and find the perfect fit for your next project!