PTC Resettable Fuses

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Mfr Part #	Quantity Available	Price	Series	Package	Product Status	Type	Voltage - Max	Current - Hold (Ih) (Max)	Current - Trip (It)	Current - Max	Time to Trip	Resistance - Initial (Ri) (Min)	Resistance - Post Trip (R1) (Max)	Operating Temperature	Grade	Qualification	Ratings	Mounting Type	Package / Case	Size / Dimension	Height - Seated (Max)	Thickness (Max)	Lead Spacing

MF-MSMF110/24X-2 PTC RESET FUSE 24V 1.1A 1812 Bourns Inc.	13,586 In Stock	1 : ¥3.78000 Cut Tape (CT) 1,500 : ¥1.62313 Tape & Reel (TR)	Multifuse®, MF-MSMF	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	Polymeric	24V	1.1 A	2.2 A	20 A	500 ms	60 mOhms	180 mOhms	-40°C ~ 85°C	Automotive	AEC-Q200	-	Surface Mount	1812 (4532 Metric), Concave	0.181" L x 0.128" W (4.60mm x 3.24mm)	-	0.033" (0.85mm)	-
1812L300/24SLER PTC RESET FUSE 3.0A 24V 1812 Littelfuse Inc.	3,238 In Stock 57,500 Factory	1 : ¥17.98000 Cut Tape (CT) 2,500 : ¥7.07068 Tape & Reel (TR)	POLY-FUSE®, LoRho	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	Polymeric	24V	3 A	6 A	50 A	2 s	1 mOhms	30 mOhms	-40°C ~ 85°C	-	-	-	Surface Mount	1812 (4532 Metric), Concave	0.181" L x 0.128" W (4.60mm x 3.24mm)	-	0.032" (0.82mm)	-

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PTC Resettable Fuses

PTC Resettable Fuses are designed to stop current flow when it exceeds a certain limit (overcurrent protection). The Fuses work by increasing its resistance as its temperature rises due to the current increase. The trip current ranges from 14 mA to 50 A with the Time to trip ranging from 8 ms to 90 s. PTC = Positive Temperature Coefficient.