PTC Resettable Fuses

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Mfr Part #	Quantity Available	Price	Tariff Status	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
0ZCF0185FF2C PTC RESET FUSE 33V 1.85A 2920 Bel Fuse Inc.	141,987 In Stock	1 : $0.31000 Cut Tape (CT) 2,000 : $0.12979 Tape & Reel (TR)	-	0ZCF	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	Polymeric	33V	1.85 A	3.7 A	100 A	2.5 s	40 mOhms	150 mOhms	-40°C ~ 85°C	-	Surface Mount	2920 (7351 Metric), Concave	0.290" L x 0.202" W (7.36mm x 5.12mm)	-	0.035" (0.90mm)	-
MF-PSMF050X-2 PTC RESET FUSE 6V 500MA 0805 Bourns Inc.	24,976 In Stock	1 : $0.37000 Cut Tape (CT) 3,000 : $0.14389 Tape & Reel (TR)	Tariff may apply if shipping to the United States	Multifuse®, MF-PSMF	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	Polymeric	6V	500 mA	1 A	40 A	100 ms	150 mOhms	900 mOhms	-40°C ~ 85°C	-	Surface Mount	0805 (2012 Metric), Concave	0.085" L x 0.053" W (2.15mm x 1.35mm)	-	0.033" (0.85mm)	-
MICROSMD005F-2 PTC RESET FUSE 30V 50MA 1210 Littelfuse Inc.	64,108 In Stock	1 : $0.48000 Cut Tape (CT) 4,000 : $0.18178 Tape & Reel (TR)	Tariff may apply if shipping to the United States	PolySwitch®, microSMD	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	Polymeric	30V	50 mA	150 mA	10 A	1.5 s	3.6 Ohms	50 Ohms	-40°C ~ 85°C	-	Surface Mount	1210 (3225 Metric), Concave	0.127" L x 0.102" W (3.22mm x 2.58mm)	-	0.033" (0.85mm)	-
MF-USML175/12-2 PTC RESET FUSE 12V 1.75A 1210 Bourns Inc.	5,653 In Stock	1 : $0.77000 Cut Tape (CT) 5,000 : $0.43424 Tape & Reel (TR)	Tariff may apply if shipping to the United States	Multifuse®, MF-USML/X	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	Polymeric	12V	1.75 A	3.5 A	50 A	800 ms	6 mOhms	50 mOhms	-40°C ~ 85°C	-	Surface Mount	1210 (3225 Metric), Concave	0.127" L x 0.101" W (3.22mm x 2.58mm)	-	0.031" (0.80mm)	-
MF-SMDF200-2 PTC RESET FUSE 10V 2A 2018 Bourns Inc.	66 In Stock	1 : $0.75000 Cut Tape (CT) 6,000 : $0.26986 Tape & Reel (TR)	Tariff may apply if shipping to the United States	Multifuse®, MF-SMDF	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	Polymeric	10V	2 A	4 A	40 A	2.4 s	30 mOhms	100 mOhms	-40°C ~ 85°C	-	Surface Mount	2018 (5045 Metric), Concave	0.200" L x 0.180" W (5.08mm x 4.58mm)	-	0.033" (0.85mm)	-

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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.