Copper wire 0.5mm diameter
- Manufacturer: Various
- Product ID: Various
This is used to make a very short electrical joint between components, such as the two tact switches in the Spitfire MkIX fire button.
Indicative Pricing With Allowance for P&P
eBay is cheapest for small quantities. The best I saw was £1.40
You could try stripping the insulation off some solid core insulated wire. It needs to be very small diameter so it fits inside a ferrule along with the leg of a component. Squashing it flatter with pliers helps.