Littelfuse 021606.3 6.3A 5×20mm Fast-Acting Ceramic Fuse
● Contact for AvailabilityWithin the 216 Series, Littelfuse 021606.3 provides 6.3A protection; base catalog cartridge, with published series ratings and ordering-specific configuration.

Within the 216 Series, Littelfuse 021606.3 provides 6.3A protection; base catalog cartridge, with published series ratings and ordering-specific configuration.
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021606.3 is the 6.3A ordering option in the Littelfuse 216 Series, using fast-acting 5×20mm ceramic fuse construction. The selected part uses base catalog cartridge. The full ordering code specifies base catalog cartridge, so package and lead details should be matched exactly. It is rated 250 V AC and the datasheet lists 1500 A @ 250 VAC interrupting capability. Nominal melting I²t is 56.43 A²s. Verify ambient derating, coordination and the exact manufacturer ordering code against the current Littelfuse datasheet before design-in.