Molex 5557 Series Mini-Fit Jr. Compatible Wire Harness (4.2mm Pitch)
Reliable, Custom-Engineered Interconnect Solutions
Searching for a cost-effective and agile alternative to Molex 5557 (Mini-Fit Jr.)? Jiatel specializes in manufacturing high-performance 4.2mm pitch wire harnesses that are fully intermateable with standard Mini-Fit systems. We provide OEM/ODM services for everything from simple discrete wires to complex multi-branch cable assemblies.
Technical Specifications
| Feature | Details |
| Pitch | 4.2mm (Mini-Fit Jr. Standard) |
| Circuit Size | Dual Row, 2 to 24 Circuits |
| Wire Gauge | UL1007, UL1061, UL1015 (18-28 AWG) |
| Current Rating | Up to 9.0A (depending on wire gauge) |
| Voltage Rating | 600V AC/DC |
| Testing | 100% Continuity, Hi-Pot, and Pull-force Testing |
Why Choose Jiatel’s 5557 Series Harness?
1. 100% Testing & Reliability
Quality is at the core of Jiatel. Our ISO 9001:2015 certified facility ensures every harness is rigorously tested for:
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Short/Open circuits and intermittent connections.
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Crimp Pull-off Force: Ensuring gas-tight and secure terminations.
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Housing Retention: Testing contact-to-housing security to prevent terminal back-outs.
2. Fully Customized for Your Application
Unlike off-the-shelf cables, we offer complete design flexibility:
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Custom Lengths: Precisely cut to fit your enclosure.
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Mixed Terminations: Molex 5557 on one end, with JST, TE, or tinned leads on the other.
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Labeling & Bundling: Custom heat-shrink tubes, cable ties, and printing for easy installation.
3. Professional Engineering Support
Our experienced sales and engineering teams assist you from the design phase to mass production. We ensure UL traceability for all materials, meeting the strict requirements of international clients.
Typical Applications
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Industrial Automation: Control systems and robotics.
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Power Supplies: Internal wiring for servers and PC power units.
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Medical Devices: Reliable power and signal paths for diagnostics.
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Consumer Appliances: Home appliances and white goods.
