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

0ZCJ0025AF2E PTC RESET FUSE 24V 250MA 1206 Bel Fuse Inc.	76,615 In Stock	1 : ¥1.31000 Cut Tape (CT) 3,000 : ¥0.59570 Tape & Reel (TR)	0ZCJ	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	Polymeric	24V	250 mA	500 mA	40 A	80 ms	550 mOhms	2.3 Ohms	-40°C ~ 85°C	Automotive	AEC-Q200	-	Surface Mount	1206 (3216 Metric), Concave	0.128" L x 0.065" W (3.25mm x 1.65mm)	-	0.030" (0.75mm)	-
RXEF025 PTC RESET FUSE 72V 250MA RADIAL Littelfuse Inc.	21,869 In Stock	1 : ¥3.12000 Bag	PolySwitch®, RXEF	Bag	Active	Polymeric	72V	250 mA	500 mA	40 A	2.5 s	1.25 Ohms	3 Ohms	-40°C ~ 85°C	-	-	-	Through Hole	Radial, Disc	0.291" Dia x 0.118" T (7.40mm x 3.00mm)	0.500" (12.70mm)	-	0.199" (5.05mm)

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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.