Solid Bare Copper Wire #40 (.003" / 0.08mm) x 6000'

One spool of polished electronic-grade, bare copper wire. Solid soft-drawn and annealed.

This wire is available in spools up to 5lb (please inquire). We also carry tin-coated copper, enamel-coated winding wire as well as insulated copper wiring in various configurations.

• Material: Copper 99.99%
• Gauge: #40 AWG
• Diameter: .003" ±.0002 (0.08mm ±.005)
• Finish: Mirror-Like
• Length: 6000' (1828m) min.
• Resistivity: 1049 Ω/1000' (3440Ω/km)
• Max. Current (Chassis Wiring): 90mA
• Max. Current (Power Transmission): 14mA
• Max. Frequency: 2900kHz (100% skin depth)
• Meets: ASTM B3, QQ-W-343, TYPE S, MIL-W-3861