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Molex 5557/5559 Compatible Connector Manufacturer

Form-fit-function equivalent. PA66 V0. RoHS/REACH. Direct factory pricing.

Our Molex 5557/5559 compatible connectors offer a direct replacement for Molex Mini-Fit Jr. series power connectors. Used extensively in home appliances, power supplies, and industrial equipment, these 4.2mm pitch connectors handle up to 9A per circuit.

Key advantages: 30-50% lower cost from factory-direct pricing, full compatibility with standard Mini-Fit Jr. headers, quick 1-3 week turnaround, complete product line (housings, terminals, headers), custom wire harness assembly available.

Why Choose Haiyongchang Over Molex?

Feature Molex Original Haiyongchang Alternative
Price Premium pricing 30-50% cost savings
MOQ High volume Flexible, samples available
Lead Time 4-8 weeks 1-3 weeks
Certifications Standard RoHS, REACH, UL (select models)
Material Standard PA66 V0, equivalent materials
Compatibility Standard Form-fit-function compatible

Molex 5557/5559 Cross-Reference Table

Find the Haiyongchang equivalent for your Molex Molex 5557/5559 part number.

Molex Part Number Haiyongchang Equivalent
39-01-3022 (5557-02R) 5557-2A
39-01-3040 (5557-04R) 5557-4A
39-01-3060 (5557-06R) 5557-6A
39-01-3080 (5557-08R) 5557-8A
39-01-3100 (5557-10R) 5557-10A

Frequently Asked Questions

Are your connectors compatible with Molex Mini-Fit Jr. series?
Yes. Our 5557/5559 compatible connectors are form-fit-function replacements for Molex Mini-Fit Jr. series. They mate correctly with Molex Mini-Fit Jr. headers and accept compatible crimp terminals.
What is the current rating for these connectors?
Our compatible connectors are rated for up to 9A per circuit (AWG 16 wire), matching the Mini-Fit Jr. specification. The 4.2mm pitch provides good clearance for power applications.

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