Reporting question for Fuse - Slow-Blow, 250V, Miniature, 5mm x 20mm

Product:
Fuse - Slow-Blow, 250V, Miniature, 5mm x 20mm

Question:
I'm in need of a 1 amp 220 volt slow blow fuse for a guitar amp, is the 250 volt rating on these fuses ok to use?