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

1206L350SLTHYR PTC RESET FUSE 6V 3.5A 1206 Littelfuse Inc.	9,765 In Stock	1 : ¥15.19000 Cut Tape (CT) 4,000 : ¥5.98290 Tape & Reel (TR)	POLY-FUSE®, LoRho	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	Polymeric	6V	3.5 A	7 A	50 A	5 s	3 mOhms	18 mOhms	-40°C ~ 85°C	-	Surface Mount	1206 (3216 Metric), Concave	0.128" L x 0.065" W (3.25mm x 1.65mm)	-	0.030" (0.75mm)	-
1812L020PR PTC RESET FUSE 30V 200MA 1812 Littelfuse Inc.	25,171 In Stock 604,000 Factory	1 : ¥4.10000 Cut Tape (CT) 2,000 : ¥1.53019 Tape & Reel (TR)	POLY-FUSE®, 1812L	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	Polymeric	30V	200 mA	400 mA	100 A	20 ms	800 mOhms	5 Ohms	-40°C ~ 85°C	-	Surface Mount	1812 (4532 Metric), Concave	0.179" L x 0.128" W (4.55mm x 3.24mm)	-	0.039" (1.00mm)	-

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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.