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-SMDF050-2 PTC RESET FUSE 60V 550MA 2018 Bourns Inc.	86,360 In Stock	1 : ₩720.00000 Cut Tape (CT) 6,000 : ₩258.90250 Tape & Reel (TR)	Multifuse®, MF-SMDF	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	Polymeric	60V	550 mA	1.2 A	10 A	3 s	200 mOhms	1 Ohms	-40°C ~ 85°C	-	Surface Mount	2018 (5045 Metric), Concave	0.200" L x 0.180" W (5.08mm x 4.58mm)	-	0.043" (1.09mm)	-
MF-SMDF150-2 PTC RESET FUSE 15V 1.5A 2018 Bourns Inc.	48,343 In Stock	1 : ₩1,102.00000 Cut Tape (CT) 6,000 : ₩396.56950 Tape & Reel (TR)	Multifuse®, MF-SMDF	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	Polymeric	15V	1.5 A	3 A	40 A	800 ms	50 mOhms	170 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)	-
MF-SMDF030-2 PTC RESET FUSE 60V 300MA 2018 Bourns Inc.	2,808 In Stock	1 : ₩1,102.00000 Cut Tape (CT) 6,000 : ₩396.56950 Tape & Reel (TR)	Multifuse®, MF-SMDF	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	Polymeric	60V	300 mA	800 mA	20 A	1.5 s	450 mOhms	2.2 Ohms	-40°C ~ 85°C	-	Surface Mount	2018 (5045 Metric), Concave	0.200" L x 0.180" W (5.08mm x 4.58mm)	-	0.043" (1.09mm)	-
MF-SMDF100/33X-2 PTC RESETTABLE 1.1A 33V SMD 2018 Bourns Inc.	1,530 In Stock	1 : ₩1,293.00000 Cut Tape (CT) 6,000 : ₩467.87800 Tape & Reel (TR)	Multifuse®, MF-SMDF	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	Polymeric	33V	1.1 A	2.2 A	40 A	500 ms	60 mOhms	400 mOhms	-40°C ~ 85°C	-	Surface Mount	2018 (5045 Metric), Concave	0.200" L x 0.180" W (5.08mm x 4.58mm)	-	0.049" (1.25mm)	-
MF-SMDF200-2 PTC RESET FUSE 10V 2A 2018 Bourns Inc.	5,943 In Stock	1 : ₩1,102.00000 Cut Tape (CT) 6,000 : ₩396.56950 Tape & Reel (TR)	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)	-
MF-SMDF100-2 PTC RESET FUSE 15V 1.1A 2018 Bourns Inc.	0 In Stock	3,000 : ₩367.34067 Tape & Reel (TR)	Multifuse®, MF-SMDF	Tape & Reel (TR)	Obsolete	Polymeric	15V	1.1 A	2.2 A	40 A	500 ms	100 mOhms	390 mOhms	-40°C ~ 85°C	-	Surface Mount	2018 (5045 Metric), Concave	0.200" L x 0.180" W (5.08mm x 4.58mm)	-	0.049" (1.25mm)	-

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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.