Automotive Fuses Standard (ATO), Mini (ATM), Low Profile Mini, Micro 2 & Micro 3

Standard ATO or ATC fuse was the first automotive blade fuse and was designed by Littlefuse
Overall Width: 19.2mm
Overall Height: 12.3mm
Leg Width (Outside to Outside): 14.5mm
Individual Leg Width: 4.1mm
Leg Height: 6.5mm

Mini Fuse (ATM)
Overall Width: 10.9mm
Overall Height: 16.3mm
Leg Width (Outside to Outside): 10.9mm
Individual Leg Width: 2.8mm
Leg Height: 7.5mm

Low Profile Mini Fuse features a lower overall height, thereby reducing space requirements while still retaining similar performance to the standard Mini fuse
Overall Width: 10.9mm
Overall Height: 8.73mm
Leg Width (Outside to Outside): 10.9mm
Individual Leg Width: 2.22mm
Leg Height: 6.15mm

Micro2 Fuse
Overall Width: 9.1mm
Overall Height: 15.3mm
Leg Width (Outside to Outside): 7.8mm
Individual Leg Width: 2.8mm
Leg Height: 7.4mm

Micro3 Fuse has 3 terminals and 2 fuse elements with a common center terminal
Overall Width: 14.4mm
Overall Height: 18.0mm
Leg Width (Outside to Outside): 12.8mm
Individual Leg Width: 2.8mm
Leg Height: 7.4mm