Littelfuse 0ATO020.V Automotive Fuse Brand: Littelfuse. Part Number: 0ATO020.V. Littelfuse Automotive Fuse, Fast Acting Smart Glow, Series: ATO, Non-Indicating, 20 A, 32 VDC, 1 kA Interrupt, Blade Terminal, Holder Mounting, 0.74 in Length, 3/4 in Width, 0.2 in Depth, Nylon, Yellow. Additional Description: LTFS-ATO020 0ATO020.V FAST-ACTING AUTOMOTIVE BLADE FUSE 20A 20 AMP SIZE. Catalog Description: FAST-ACTING AUTOMOTIVE BLADE FUSE 20A. The ATO® Fuse was designed and patented by Littelfuse in 1976 and set the standard for automotive circuit protection. It features industry standard color coding to indicate amperage rating.287 Series replaces 257 Series...