Molex Ultra-Fit Connector, Custom Wire Harness Manufacturer

Molex Ultra-Fit Connector

Molex Ultra-Fit Power Connectors are engineered to eliminate same-circuit-size cross-mating and minimize terminal back-out issues, making them a reliable and user-friendly solution for power applications. Designed with a compact, space-saving 3.5mm pitch, these connectors provide robust performance with a current rating of 12A or 14A, meeting the needs of high-density power connections. Featuring color-coded housings and mechanical keying options, Ultra-Fit Connectors reduce the risk of mismating during assembly, enhancing safety and efficiency. The connectors incorporate premium housing features inspired by Molex’s proven Mini-Fit and Micro-Fit 3.0 systems, delivering exceptional durability and ease of use. An optional Terminal Position Assurance (TPA) retainer ensures terminals remain securely in place, significantly reducing the risk of back-out. The streamlined design is 17% smaller than comparable power connectors, making it ideal for applications requiring reduced footprint without sacrificing performance. Additionally, the ultra-low mating force minimizes operator fatigue, especially when connecting multiple high-circuit components, providing a seamless and ergonomic solution for demanding environments.

Ultra-Fit Connector Features

• Multiple mechanical keying and color-coded options
• 17% reduction in pitch over similar power connectors
• Optional TPA (Terminal Position Assurance) retainer
• Ultra-low mating force terminal
• Positive-lock housing with anti-snag design
• Fully isolated terminals
• Terminal interface with six independent points of contact (split-box terminal design)
• Availability of dedicated / ergonomically designed crimping tools
• 400V voltage rating
• 14A (tin), 12A (gold) current ratings
• 7mΩ change over life contact resistance
• 1800V dielectric withstanding voltage
• 1000MΩ insulation resistance
• 4.5N (tin), 2.8N (gold) contact mating force
• 27N contact retention to housing

Ultra-Fit Connector Specifications Chart

Sort by the number of circuits.

Ultra-Fit Connector Applications

Consumer/Home Appliance

Molex Ultra-Fit Connectors are widely used in household appliances to enhance compact and efficient wiring. They provide reliable connections for washers and refrigerators, ensuring high performance, safety, and durability.

Telecommunications/Networking

These connectors support the demanding requirements of network hubs and servers, delivering dependable power and signal connectivity in data centers and communication infrastructure.

Transportation

In the automotive and transportation sectors, Ultra-Fit Connectors are key in powering infotainment systems and interior applications. Their compact design and robust performance make them ideal for vehicle environments.

Lighting

With advanced electrical properties, these connectors are a trusted choice for ballasts and home lighting fixtures, ensuring efficient power distribution and minimizing energy loss.

Aerospace and Defense

In critical systems like C4ISR (Command, Control, Communications, Computers, Intelligence, Surveillance, and Reconnaissance), Ultra-Fit Connectors deliver rugged reliability under extreme conditions.

Industrial

Ultra-Fit Connectors play an essential role in food and beverage machinery and assembly line equipment, providing the reliability and ease of maintenance necessary for industrial automation.

Medical

For the medical sector, these connectors support critical patient care equipment and healthcare IT systems, offering precision and safety in life-critical applications.

Molex Ultra-Fit Connectors are versatile solutions for wire harness applications across various industries, including home appliances, telecommunications, transportation, lighting, aerospace, industrial, and medical sectors. While these examples highlight common uses, the connectors are not limited to these areas and can adapt to a broad spectrum of applications, demonstrating flexibility and high performance in diverse environments.

Support Custom Wire Harness Assembly

• Connector circuits: 2 - 16Pin
• Wire Gauge: 16 - 22AWG, depends on real needs
• Wire Colors: Available in a wide range including white, black, red, yellow, blue, green, brown, orange, purple, grey, and more.
• Wire Length: Fully customizable to your specifications.
• Wiring Diagram: Tailor-made to meet your project needs.
• Custom type: Fully customizable to your specifications.
• Minimum Order: 100 pieces per order.

Customize Your Wire Harness

Send your sample or drawing/schematic for quote price→ Feedback with quotation(1~3 days) → Confirm quotation → Arrange sample you for approval→ [Make mold if needed (7 days) →Mold test] → Making samples(1~3 days)→ Samples test(Approval) → place order for Mass production(2~3 weeks)→ Quality checking→ Packing → Delivery → After Service → Repeat Order.