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Littelfuse Inc. RXEF250-1 — Circuit Protection

Littelfuse Inc. RXEF250-1

MPNRXEF250-1
Obsolete
$0.7800Ref. price · indicative, final on quote
Sourced new & surplus through independent channelsAuthenticity-screened · ESD-safe packingListing updated Jul 2026

Specifications

RXEF250-1 specifications
ParameterValue
TypePolymeric
SeriesPolySwitch®, RXEF
MountingThrough Hole
Voltage - max72V
Current - max40 A
Current - trip5 A
Current - hold (Ih)2.5 A
Operating temperature-40°C ~ 85°C
Size (Dimension)0.819\" Dia x 0.118\" T (20.80mm x 3.00mm)
Height - seated1.000\" (25.40mm)
Approval agencyCQC, CSA, TUV, UL
PackageBulk
Lead spacing0.400\" (10.15mm)
Time to trip15.6 s
CaseRadial, Disc
Resistance - initial (Ri)50 mOhms
Resistance - post trip (R1)130 mOhms