PTC Resettable Fuses

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of 7

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
NANOSMDC075F-2 PTC RESET FUSE 6V 750MA 1206 Littelfuse Inc.	19,680 In Stock	1 : £0.32000 Cut Tape (CT) 3,000 : £0.12765 Tape & Reel (TR)	PolySwitch®, nanoSMD	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	Polymeric	6V	750 mA	1.5 A	100 A	100 ms	90 mOhms	300 mOhms	-40°C ~ 85°C	-	Surface Mount	1206 (3216 Metric), Concave	0.126" L x 0.063" W (3.20mm x 1.59mm)	-	0.027" (0.68mm)	-
MICROSMD050F-2 PTC RESET FUSE 13.2V 500MA 1210 Littelfuse Inc.	16,229 In Stock	1 : £0.36000 Cut Tape (CT) 4,000 : £0.13552 Tape & Reel (TR)	PolySwitch®, microSMD	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	Polymeric	13.2V	500 mA	1 A	40 A	50 ms	250 mOhms	900 mOhms	-40°C ~ 85°C	-	Surface Mount	1210 (3225 Metric), Concave	0.127" L x 0.102" W (3.22mm x 2.58mm)	-	0.024" (0.62mm)	-
MINISMDC110F/24-2 PTC RESET FUSE 24V 1.1A 1812 Littelfuse Inc.	1,347 In Stock	1 : £0.48000 Cut Tape (CT) 1,500 : £0.20570 Tape & Reel (TR)	PolySwitch®, miniSMD	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	Polymeric	24V	1.1 A	2.2 A	100 A	500 ms	60 mOhms	180 mOhms	-40°C ~ 85°C	-	Surface Mount	1812 (4532 Metric), Concave	0.181" L x 0.128" W (4.60mm x 3.24mm)	-	0.057" (1.46mm)	-
MICROSMD175F-2 PTC RESET FUSE 6V 1.75A 1210 Littelfuse Inc.	52,274 In Stock	1 : £0.44000 Cut Tape (CT) 4,000 : £0.16845 Tape & Reel (TR)	PolySwitch®, microSMD	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	Polymeric	6V	1.75 A	3.5 A	40 A	800 ms	25 mOhms	80 mOhms	-40°C ~ 85°C	-	Surface Mount	1210 (3225 Metric), Concave	0.127" L x 0.102" W (3.22mm x 2.58mm)	-	0.030" (0.76mm)	-
MICROSMD035F-2 PTC RESET FUSE 6V 350MA 1210 Littelfuse Inc.	8,866 In Stock	1 : £0.44000 Cut Tape (CT) 4,000 : £0.16845 Tape & Reel (TR)	PolySwitch®, microSMD	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	Polymeric	6V	350 mA	750 mA	40 A	200 ms	320 mOhms	1.3 Ohms	-40°C ~ 85°C	-	Surface Mount	1210 (3225 Metric), Concave	0.127" L x 0.102" W (3.22mm x 2.58mm)	-	0.024" (0.62mm)	-
1210L075YR PTC RESET FUSE 6V 750MA 1210 Littelfuse Inc.	4,000 In Stock	1 : £0.44000 Cut Tape (CT) 4,000 : £0.16845 Tape & Reel (TR)	POLY-FUSE®, 1210L	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	Polymeric	6V	750 mA	1.5 A	100 A	100 ms	130 mOhms	400 mOhms	-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)	-
MICROSMD150F-2 PTC RESET FUSE 6V 1.5A 1210 Littelfuse Inc.	0 In Stock Check Lead Time	1 : £0.43000 Cut Tape (CT) 4,000 : £0.16351 Tape & Reel (TR)	PolySwitch®, microSMD	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	Polymeric	6V	1.5 A	3 A	40 A	1 s	40 mOhms	110 mOhms	-40°C ~ 85°C	-	Surface Mount	1210 (3225 Metric), Concave	0.127" L x 0.102" W (3.22mm x 2.58mm)	-	0.048" (1.22mm)	-

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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.