circuit is a very thin wire that melts or vaporizes when too much current flows through nju.Tanka wire can be made of aluminum, tin-coated copper or nickel. The result of the open circuit stops current flow. In electronic equipment, most fuses are cylindrical glass or ceramic type with a metal cap at each end! Current rating can be seen in one of two metal end caps. There are two popular physical sizes: 1 - ¼ X ¼ - inch 5X20mm.1 - ¼ X ¼ - inch size is used in many cars. You'll find the size of many electronic equipment, but the smaller 5 x 20 mm has become more common. Fuses are available with current ratings from 1 / 500 Ampere to hundreds of amperes.
Purpose Fuses
The purpose of the fuse to open an electronic circuit when current flow exceeds a certain amount, determined by the rating of the fuse. Opening the circuit under high current conditions can save electronic components from damaged and prevents overheating, which could cause a fire.
Types of Fuses
There are two basic types of fuses: fast acting and slow acting odsvirati.Brzo type will open very quickly when their particular current rating is exceeded. It is important for analog meter movements, which quickly can be destroyed when too much current flows through them, even for a very small amount of time. Slow blow fuse have a coiled construction inside. They are designed to open only the continuation of overload, such as a short spoj.Svrha coiled construction to prevent the fuse from blowing on just a temporary current surge.
Do not use slow-blow fuse in place a fast acting fuse. I can not open fast enough to prevent damage to the high current condition. It is not harmful to the replacement of slow blow fuse with a fast-acting fuse, but it will probably be opened unnecessarily every now and then when the equipment is the first switch circuit na.Pregorjeli can tell you something about the service problem. Often the glass case, the fuse appears clear, and you can still see fragments of the fuse element. This means that you have a problem that causes slow, gradual overload on the power. Some fuses and even die of old age. But if the inside of the glass fuse is discolored, and there is no trace of the fuse element (center connection), you know that the center connector was destroyed quickly and forcefully, using a lot topline.Kvar was a short circuit or other problem that caused a lot of electricity to run very fast.
Is some cases, the fuse will open quickly enough when the wave, so that other components are not damaged. If this is the case, replacing the fuse with one of the same type and rating restores operation. Unfortunately, there is a high probability that if the fuse blew, something in the circuit is protected short-circuited. In this case, the replacement fuse blows odmah.Pregorjeli circuit can easily be replaced with new ones after the overload is eliminated when you come in return. Use only the same current and voltage ratings as izvornik.Čest type and current rating of the fuse in the monitor slow blow 2A to 5A. When you buy a replacement fuse, get a few - you can just use them until you're troubleshooting an elusive problem
.Testing Fuses
and remove the fuse from the circuit to check with a multimeter set to the lowest ohms range. Connect the probes to both ends of the fuse. May you check the fuse while it is still in krug.Dobar circuit to demonstrate the continuity or read 0 ohma.Pregorjeli fuse is open which reads infinity on the meter.