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Littelfuse Inc. RXEF300-AP — Circuit Protection

Littelfuse Inc. RXEF300-AP

MPNRXEF300-AP
Active
$1.0700Ref. price · indicative, final on quote
Sourced new & surplus through independent channelsAuthenticity-screened · ESD-safe packingListing updated Jul 2026

Specifications

RXEF300-AP specifications
ParameterValue
TypePolymeric
SeriesPolySwitch®, RXEF
MountingThrough Hole
Voltage - max72V
Current - max40 A
Current - trip6 A
Current - hold (Ih)3 A
Operating temperature-40°C ~ 85°C
Size (Dimension)0.941\" Dia x 0.118\" T (23.90mm x 3.00mm)
Height - seated1.126\" (28.60mm)
Approval agencyCQC, CSA, TUV, UL
PackageCut Tape (CT) Tape & Box (TB)
Lead spacing0.400\" (10.15mm)
Time to trip19.8 s
CaseRadial, Disc
Resistance - initial (Ri)40 mOhms
Resistance - post trip (R1)100 mOhms