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	Ratings	Mounting Type	Package / Case	Size / Dimension	Height - Seated (Max)	Thickness (Max)	Lead Spacing

MF-FSML300/6-2 PTC RESET FUSE 6V 3A 0603 Bourns Inc.	9,423 In Stock	1 : ¥11.90000 Cut Tape (CT) 4,000 : ¥5.03705 Tape & Reel (TR)	Multifuse®, MF-FSML	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	Polymeric	6V	3 A	6 A	50 A	5 s	3 mOhms	50 mOhms	-40°C ~ 85°C	-	Surface Mount	0603 (1608 Metric), Concave	0.065" L x 0.033" W (1.65mm x 0.85mm)	-	0.055" (1.40mm)	-
3425L200/60MR 3425L PPTC Littelfuse Inc.	0 In Stock 83,000 Factory Check Lead Time	1 : ¥9.11000 Cut Tape (CT) 1,000 : ¥3.73172 Tape & Reel (TR)	3425L	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	Polymeric	60V	2 A	4 A	20 A	10 s	40 mOhms	200 mOhms	-40°C ~ 85°C	-	Surface Mount	Nonstandard SMD	0.341" L x 0.250" W (8.65mm x 6.35mm)	-	0.071" (1.80mm)	-

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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.