Zinc: One of the most common metals for automotive fuses (blade fuses) and low-voltage applications. Zinc has a relatively low melting point (419.5^\circ\text{C}), provides good electrical conductivity, and is highly resistant to corrosion when exposed to air.
Copper & Silver-Plated Copper: Widely used in industrial, high-current, and high-voltage fuses. Copper conducts electricity exceptionally well. It is often plated with silver to prevent oxidation, which can degrade the fuse’s performance over time.
Silver: The gold standard for high-performance, fast-acting fuses (such as those protecting sensitive semiconductor electronics). Silver provides outstanding conductivity and does not oxidize as easily as bare copper, ensuring the fuse’s rating remains precise over years of service.
Tin or Lead-Tin Alloys: Historically common, and still used in specific low-melting-point applications (like traditional plug fuses or glass tube electronics fuses). Tin melts at a very low 232^\circ\text{C}, allowing the fuse to interrupt the circuit at lower temperatures before surrounding components can overheat.
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13 Comments
Tomi Engdahl says:
A plumbtrician task
https://www.facebook.com/groups/123472848335616/permalink/771169310232630/
Tomi Engdahl says:
“fuse is useless” ..and stupidity is limitless
Tomi Engdahl says:
Main fuse was a Nail, Electrician
https://www.youtube.com/watch?v=IUL-w04ubAs
Back in the unit to see what happens when a nail is used as a main fuse which I have seen personally on a job,
Now you know why welders wear masks/goggles !
Tomi Engdahl says:
Popping a 5000A Fuse
https://www.youtube.com/watch?v=0mGhhdPgXG8
The fuse itself was purchased from eBay from the U.S.
Tomi Engdahl says:
Testing 100A Fuses with 100A of current.
https://www.youtube.com/watch?v=6o9tbhgtws4
Tomi Engdahl says:
Lucas the Prince of Darkness
https://www.mez.co.uk/lucas.html
Tomi Engdahl says:
Lucas Replacement Wire Harness Smoke
https://www.orarc.org/?p=2348
Thought this might be worthy of dissemination. A bottle in every ham shack, I wonder if they make a negative earth version?
Tomi Engdahl says:
https://www.reddit.com/r/pics/comments/2l43vi/a_guide_for_electrical_fuse_replacement/
Tomi Engdahl says:
Popping a 5000A Fuse
https://www.youtube.com/watch?v=0mGhhdPgXG8
Tomi Engdahl says:
https://www.swe-check.com.au/pages/learn_fuse_speed.php
Tomi Engdahl says:
Shay Russell Louis Rossman did a video about fuse problems a while back. Generic Chinese fuses often would fail to blow at 4 and 5 x overload
https://youtu.be/B90_SNNbcoU?si=MJEP1blJPKGZjYT4
It’s been a problem for years: https://money.cnn.com/2007/09/05/autos/fuse_recall/
So when the fuse refuses to fuse, do you need to re fuse the whole thing?
Tomi Engdahl says:
https://www.mouser.fi/datasheet/2/87/eaton_mdl_time_delay_glass_tube_fuses_data_sheet-1608815.pdf
Tomi Engdahl says:
Common Metals Used in Fuses
Zinc: One of the most common metals for automotive fuses (blade fuses) and low-voltage applications. Zinc has a relatively low melting point (419.5^\circ\text{C}), provides good electrical conductivity, and is highly resistant to corrosion when exposed to air.
Copper & Silver-Plated Copper: Widely used in industrial, high-current, and high-voltage fuses. Copper conducts electricity exceptionally well. It is often plated with silver to prevent oxidation, which can degrade the fuse’s performance over time.
Silver: The gold standard for high-performance, fast-acting fuses (such as those protecting sensitive semiconductor electronics). Silver provides outstanding conductivity and does not oxidize as easily as bare copper, ensuring the fuse’s rating remains precise over years of service.
Tin or Lead-Tin Alloys: Historically common, and still used in specific low-melting-point applications (like traditional plug fuses or glass tube electronics fuses). Tin melts at a very low 232^\circ\text{C}, allowing the fuse to interrupt the circuit at lower temperatures before surrounding components can overheat.