h21506.3 cartridge fuses 5 x 20mm time lag fuse, t6.3a . 21506.3 littelfuse h21506.3m 21506.3hxp 21506.3vxp are bulk #s 021506.3mxp 21506.3p slo-blo fuse 6-3/10amp 250vac 07945890078 status active circuit protection type electric fuse blow characteristic time lag body height 20 mm body length or diameter 5.2 mm joule-integral-nom 129 j manufacturer series 215 mounting feature inline/holder operating temperature-min -55 cel operating temperature-max 125 cel packing method bulk; tape and reel physical dimension 5.2mm x 20mm rated breaking capacity 1500 a rated current 6.3 a rated voltage (ac) 250 v reference standard ccc; ce; csa; iec; ktl; pse; semko; ul terminal finish nickel terminal shape end cap product: ceramic fuse current rating: 6.3 a fuse type: time delay / slow blow fuse size / group: 5 mm x 20 mm voltage rating ac: 250 v mounting style: holder / clip packaging: bulk : diameter: 5.2 mm indicator style: without indicator