5 pcs. GDC 1A Slow-Blow Fuse T1A 250v Glass 5x20mm Sold in sets of 5. If you add 20 to cart, that will be a box (100 pcs.) Series: GDC Rated Current (amp): 1A Blow Characteristic: Slow Blow (Time Delay) Body Diameter: 5mm (3/16 in) Body Length: 20mm (3/4 in) Part Type: Electric Glass Fuse Rated Voltage: 250v, 250 volts (also replaces 125v) Terminal Shape: End Cap Certifications: ROHS, CE Cross List: GDC1A, GDC1T GDC-1A, BK-GDC 1 R T1A 250v Blowing Time (Slow Blow): 30 min Max @ 210% of rating 600 msec Min, 10 sec Max @ 275% of rating 150 msec Min, 3 sec Max @ 400% of rating 20 msec Min, 300 msec Max @ 1000% of rating