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  • Power contact shrapnel
Brief introduction of power contact shrapnel: Common precision shrapnel is an important metal fitting of electronic parts, which usually plays the role of conduction, switching, clamping, resonance and so on. Shape: mostly S-type, C-type, round, Z-type, spoon-type, etc. Applications: mobile phone cards, mobile phone antennas, earphone audio jacks, connectors, micro motors, sensors, automotive instrument touch switches, medical equipment , PCB board shielding cover, etc. Common materials: beryllium copper (heat treatment required), titanium copper, phosphor bronze, stainless steel, spring steel, etc. Surface treatment requirements: gold plating, silver plating, nickel plating, tin plating, and ultrasonic cleaning of oil stains. Power contact shrapnel performance index Power contact shrapnel life: 10,000 times-100,000 times Insertion force resistance: 10,000 times or more Orientation: 0.05mmMax Verticality: 0.05mmMax straightness: 10mm standard, 0.05mmMax power contact shrapnel control Key points: (1) Shrapnel: Shrapnel life test (2) Raw material: hardness test, elongation test, tensile strength test, yield strength test (3) After electroplating: smoke test, film thickness test, high temperature aging test Packaging requirements: material Reel packaging, bulk pin packaging, blister box packaging, carrier tape packaging
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