Fuse wire is made of_____________?
- A. 63% tin and 37% lead
- B. 63% lead and 37% tin
- C. 63% tin and 37% aluminum
- D. 63% lead and 37% aluminum
Explanation
Traditional solder is a low-melting alloy of about 63% tin and 37% lead, allowing it to melt and join components without melting them. Many modern solders now avoid lead for health and environmental reasons.