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Littelfuse Inc. RXEF040S-2 — Circuit Protection

Littelfuse Inc. RXEF040S-2

MPNRXEF040S-2
Active
$0.5100Ref. price · indicative, final on quote
Independent supplier — new & surplus stockAuthenticity-screened · ESD-safe packingListing updated Jul 2026

Specifications

RXEF040S-2 specifications
ParameterValue
TypePolymeric
SeriesPolySwitch®, RXEF
MountingThrough Hole
Voltage - max72V
Current - max40 A
Current - trip800 mA
Current - hold (Ih)400 mA
Operating temperature-40°C ~ 85°C
Size (Dimension)0.299\" Dia x 0.118\" T (7.60mm x 3.00mm)
Height - seated0.532\" (13.50mm)
Approval agencyCQC, CSA, TUV, UL
PackageTape & Reel (TR) Cut Tape (CT)
Lead spacing0.199\" (5.05mm)
Time to trip3.8 s
CaseRadial, Disc
Resistance - initial (Ri)550 mOhms
Resistance - post trip (R1)1.29 Ohms