Püschel Feinsicherungen manufactures the FST0,1B micro fuse, which is a cartridge glass fuse. It measures 5 mm x 20 mm, has a current rating of 0.1 A, and a voltage rating of 250 V with time-delay properties. This fuse is typically used in electronic circuits that require precise overcurrent protection to prevent damage. https://elecena.pl/product/28734876/p-xfc-schel-fst01b-micro-fuse-5x20mm-0-1a-250v-time-delay-10-pieces 2025-05-19 https://elecena.pl/product/28734876/p-xfc-schel-fst01b-micro-fuse-5x20mm-0-1a-250v-time-delay-10-pieces 2026-07-05