Core Technical Specifications
- Brand/Model: MiJing FX-04
- Material: High-purity copper
- Diameter: 0.04 mm (super-fine gauge ideal for micro-components)
- Total Length: 100 meters per spool
- Properties: High ductility (highly stretchable), low impedance, and excellent break-resistance.
Key Benefits & Use Cases
- Direct Welding: It features an insulated enamel coating that does not require scraping. The insulation melts off instantly when exposed to the high heat of a soldering iron tip, allowing for direct tinning and rapid welding. Motherboard Maintenance: Extensively used by micro-soldering technicians for bypassing broken circuits, fixing trace fractures on phone motherboards, and repairing Touch ID, GPU/CPU, and battery logic boards.Â
- Micro BGA Repair: Slim enough to trace pathways directly underneath BGA chips and IC components.







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