250V FAST BLOW 5mm x 20mm Fuse for electrical circuit protection.
Measure the size of the fuse & check the fuse specifications stamped on the metal ring of the fuse that you wish to replace. On the fuse's metal ring the fuse's specs will be (V) voltage of the fuse & (A) the rating in amps or milli-amps (mA). You may also see the letter T or F. The "T" indicates a timed delay or slow blow fuse. The "F" indicates a fast or non-timed fuse. If there is no T or F then assume that the fuse is non-timed or fast blow.
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