The 65771-001LF: The closed top body protects the contact beams from accidental shorting and debris ingress — a common requirement on unshrouded header strips in control boards and power distribution blocks. The gold or GXT™ contact finish at 40.0 µinch (1.02 µm) provides a corrosion-resistant mating surface rated for repeated connect-disconnect cycles — a field-service advantage over tin-plated shunts in humid or mildly corrosive environments.
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How It Compares to Other Mini-Jump™ Shunts
Within the same 65771 base number, the 65771-005 shares identical pitch, height, and current rating but uses a 30.0 µinch gold finish — a 10 µinch thinner plating that still meets field-service duty but at a slightly lower cycle-life margin. The 65771-002LF swaps gold for tin at 100 µinch: lower corrosion resistance but a cost-effective choice for one-time or low-cycle jumper applications.