Leaving a note to self here as it’s not discrete in the data sheet. The Balena Fin uses the Little Fuses cartridge fuse listed the datasheet 3A 125V MPN: 0154003.DR, but if you want a replacement fuse you need to look for 0453005.MR.
Digikey Link here: https://www.digikey.com/en/products/detail/littelfuse-inc/0453005-MR/552261