PTC Resettable Fuse

SK72-110Active

The SK72-110 is a resettable PPTC fuse equivalent to 72R110X, designed to provide reliable resettable overcurrent protection for circuits up to 72Vdc maximum voltage, with a maximum 40A short-circuit rating.

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Electrical Parameters

Part Number SK72-110

Package SK72

IHOLD [Max] (A) 1.1

ITRIP [Min] (A) 2.2

VMAX (V) 72

IMAX (A) 40

Time to trip Current (A) 5.5

Time to trip Time (S) 8

RMIN (Ω) 0.15

R1MAX (Ω) 0.27

Status Active

Product Features

Radial-lead, 72R series package – compact design suitable for through-hole PCB mounting. Resettable PPTC overcurrent protection – automatically limits overcurrent and restores to normal operation. 1.1A hold current, fast time-to-trip – ensures reliable protection while minimizing impact on normal operation. 40A maximum short-circuit current capability Lead-free and halogen-free – environmentally friendly and safe for global applications. RoHS compliant – meets international standards for hazardous substance restrictions.