Specified as 021606.3MXBP, this Littelfuse part carries a 6.3A rating; cartridge, mxb packaging, with published series ratings and ordering-specific configuration.
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The 021606.3MXBP configuration extends Littelfuse 216 Series coverage to a 6.3A rating in a fast-acting 5×20mm ceramic fuse format. The selected part uses cartridge, mxb packaging. The full ordering code specifies cartridge, mxb packaging, 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.
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