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Littelfuse Inc. RUSBF120-2 — Circuit Protection

Littelfuse Inc. RUSBF120-2

MPNRUSBF120-2
Active
$0.2497Ref. price · indicative, final on quote
Independent supplier — new & surplus stockAuthenticity-screened · ESD-safe packingListing updated Jul 2026

Specifications

RUSBF120-2 specifications
ParameterValue
TypePolymeric
SeriesPolySwitch®, RUSBF
MountingThrough Hole
Voltage - max6V
Current - max40 A
Current - trip2 A
Current - hold (Ih)1.2 A
Operating temperature-40°C~85°C
Size (Dimension)0.272\" L x 0.122\" W (6.90mm x 3.10mm)
Height - seated0.461\" (11.70mm)
Approval agencyCSA, TUV, UL
PackageTape & Reel (TR); Cut Tape (CT)
Lead spacing0.200\" (5.08mm)
Time to trip500 ms
CaseRadial, Disc
Resistance - initial (Ri)70 mOhms
Resistance - post trip (R1)140 mOhms