Enamelled copper wire 0.8mm, per 1m (STK41S)

A typical 0.8 mm enamelled copper wire (magnet wire / winding wire) has these specs:

• Diameter: 0.8 mm
• Cross-sectional area: ~0.50 mm²
• Approximate AWG size: 20–21 AWG
• Material: Pure copper conductor
• Insulation: Thin enamel coating (electrical insulation)
• Resistance: ~0.033 Ω per meter
• Temperature rating: usually 155 °C to 200 °C depending on insulation class
• Uses: motors, transformers, coils, electromagnets, school projects, inductors, DIY electronics