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-MSMF050-2 PTC RESET FUSE 15V 500MA 1812 Bourns Inc.	10,349 In Stock	1 : ¥2.63000 Cut Tape (CT) 2,000 : ¥1.26867 Tape & Reel (TR)	Multifuse®, MF-MSMF	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	Polymeric	15V	500 mA	1 A	100 A	150 ms	150 mOhms	1 Ohms	-40°C ~ 85°C	Automotive	AEC-Q200	-	Surface Mount	1812 (4532 Metric), Concave	0.179" L x 0.128" W (4.55mm x 3.24mm)	-	0.033" (0.85mm)	-
1812L010DR PTC RESET FUSE 30V 100MA 1812 Littelfuse Inc.	11,122 In Stock	1 : ¥3.69000 Cut Tape (CT) 1,500 : ¥1.58483 Tape & Reel (TR)	POLY-FUSE®, 1812L	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	Polymeric	30V	100 mA	300 mA	100 A	1.5 s	1.6 Ohms	15 Ohms	-40°C ~ 85°C	-	-	-	Surface Mount	1812 (4532 Metric), Concave	0.179" L x 0.128" W (4.55mm x 3.24mm)	-	0.049" (1.25mm)	-

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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.