PTC Resettable Fuses

Browse available PTC Resettable Fuses part numbers with manufacturer references, stock information, pricing, datasheets and key specifications. Use the table below to compare options for your project.

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Mfr. Part #	Availability	Price	Quantity	Datasheet	Package/Case	Series	Packaging	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)	Resistance - 25°C (Typ)	Operating Temperature	Grade	Qualification	Ratings	Mounting Type	Size / Dimension	Height - Seated (Max)	Thickness (Max)	Lead Spacing
0ZRE0025FF1E PTC RESET FUSE 240V 250MA RADIAL Bel Fuse Inc.	14,608	-	RFQ	Datasheet	Radial, Disc	0ZRE	Box	Active	Polymeric	240V	250 mA	560 mA	6 A	18.5 s	1.3 Ohms	3.8 Ohms	-	-40°C ~ 85°C	Automotive	AEC-Q200	-	Through Hole	0.378" L x 0.150" W (9.60mm x 3.80mm)	0.685" (17.40mm)	-	0.201" (5.10mm)
1812L160/12DR PTC RESET FUSE 12V 1.6A 1812 Littelfuse Inc.	12,592	-	RFQ	Datasheet	1812 (4532 Metric), Concave	POLY-FUSE®, 1812L	Tape & Reel (TR)	Active	Polymeric	12V	1.6 A	2.8 A	100 A	1 s	30 mOhms	100 mOhms	-	-40°C ~ 85°C	-	-	-	Surface Mount	0.179" L x 0.128" W (4.55mm x 3.24mm)	-	0.049" (1.25mm)	-
PRG21BB150MB1RK PTC RESET FUSE 20V 59MA 0805 Murata Electronics	7,636	-	RFQ	Datasheet	0805 (2012 Metric)	POSISTOR®, PRG	Tape & Reel (TR)	Active	Ceramic	20V	59 mA	116 mA	1.6 A	-	-	-	15 Ohms	-20°C ~ 60°C	-	-	-	Surface Mount	0.079" L x 0.049" W (2.00mm x 1.25mm)	-	0.057" (1.45mm)	-
RXEF135 PTC RESET FUSE 72V 1.35A RADIAL Littelfuse Inc.	6,579	-	RFQ	Datasheet	Radial, Disc	PolySwitch®, RXEF	Bag	Active	Polymeric	72V	1.35 A	2.7 A	40 A	9.6 s	120 mOhms	300 mOhms	-	-40°C ~ 85°C	-	-	-	Through Hole	0.571" Dia x 0.118" T (14.50mm x 3.00mm)	0.752" (19.10mm)	-	0.199" (5.05mm)
1812L150/16DR PTC RESET FUSE 16V 1.5A 1812 Littelfuse Inc.	6,436	-	RFQ	Datasheet	1812 (4532 Metric), Concave	POLY-FUSE®, 1812L	Tape & Reel (TR)	Active	Polymeric	16V	1.5 A	3 A	100 A	500 ms	40 mOhms	110 mOhms	-	-40°C ~ 85°C	-	-	-	Surface Mount	0.179" L x 0.128" W (4.55mm x 3.24mm)	-	0.049" (1.25mm)	-
30R110UU PTC RESET FUSE 30V 1.1A RADIAL Littelfuse Inc.	3,225	-	RFQ	Datasheet	Radial, Disc	POLY-FUSE®, 30R	Bulk	Active	Polymeric	30V	1.1 A	2.2 A	40 A	6.6 s	50 mOhms	170 mOhms	-	-40°C ~ 85°C	-	-	-	Through Hole	0.291" L x 0.118" W (7.40mm x 3.00mm)	0.559" (14.20mm)	-	0.201" (5.10mm)
30R250UPR PTC RESET FUSE 30V 2.5A RADIAL Littelfuse Inc.	3,215	-	RFQ	Datasheet	Radial, Disc	POLY-FUSE®, 30R	Cut Tape (CT)	Active	Polymeric	30V	2.5 A	5 A	40 A	10.3 s	20 mOhms	70 mOhms	-	-40°C ~ 85°C	-	-	-	Through Hole	0.449" L x 0.118" W (11.40mm x 3.00mm)	0.720" (18.30mm)	-	0.118" (3.00mm)
60R050XU PTC RESET FUSE 60V 500MA RADIAL Littelfuse Inc.	2,152	-	RFQ	Datasheet	Radial, Disc	POLY-FUSE®, 60R	Bulk	Active	Polymeric	60V	500 mA	1 A	40 A	4 s	500 mOhms	1.17 Ohms	-	-40°C ~ 85°C	-	-	-	Through Hole	0.311" Dia x 0.122" T (7.90mm x 3.10mm)	0.539" (13.70mm)	-	0.201" (5.10mm)
1812L110/16DR PTC RESET FUSE 16V 1.1A 1812 Littelfuse Inc.	1,988	-	RFQ	Datasheet	1812 (4532 Metric), Concave	POLY-FUSE®, 1812L	Tape & Reel (TR)	Active	Polymeric	16V	1.1 A	1.95 A	100 A	300 ms	60 mOhms	180 mOhms	-	-40°C ~ 85°C	-	-	-	Surface Mount	0.179" L x 0.128" W (4.55mm x 3.24mm)	-	0.049" (1.25mm)	-
1206L035/30WR PTC RESET FUSE 30V 350MA 1206 Littelfuse Inc.	1,322	-	RFQ	Datasheet	1206 (3216 Metric), Concave	POLY-FUSE®, 1206L	Tape & Reel (TR)	Active	Polymeric	30V	350 mA	750 mA	100 A	100 ms	300 mOhms	1.2 Ohms	-	-40°C ~ 85°C	Automotive	AEC-Q200	-	Surface Mount	0.126" L x 0.065" W (3.20mm x 1.65mm)	-	0.039" (1.00mm)	-
MF-R400-2 PTC RESET FUSE 30V 4A RADIAL Bourns Inc.	54,959	-	RFQ	Datasheet	Radial, Disc	Multifuse®, MF-R	Tape & Reel (TR)	Active	Polymeric	30V	4 A	8 A	40 A	12.7 s	10 mOhms	50 mOhms	-	-40°C ~ 85°C	-	-	-	Through Hole	0.567" L x 0.118" W (14.40mm x 3.00mm)	0.976" (24.80mm)	-	0.201" (5.10mm)
MF-PSMF010/24X-2 PTC RESETTABLE 0.1A 24V SMD 0805 Bourns Inc.	10,128	-	RFQ	Datasheet	0805 (2012 Metric), Concave	Multifuse®, MF-PSMF	Tape & Reel (TR)	Active	Polymeric	24V	100 mA	300 mA	80 A	1.5 s	1 Ohms	7.5 Ohms	-	-40°C ~ 85°C	Automotive	AEC-Q200	-	Surface Mount	0.085" L x 0.053" W (2.15mm x 1.35mm)	-	0.033" (0.85mm)	-
MF-PSMF035X-2 PTC RESET FUSE 6V 350MA 0805 Bourns Inc.	9,328	-	RFQ	Datasheet	0805 (2012 Metric), Concave	Multifuse®, MF-PSMF	Tape & Reel (TR)	Active	Polymeric	6V	350 mA	750 mA	40 A	100 ms	250 mOhms	1.2 Ohms	-	-40°C ~ 85°C	-	-	-	Surface Mount	0.085" L x 0.053" W (2.15mm x 1.35mm)	-	0.033" (0.85mm)	-
MF-R300-2 PTC RESET FUSE 30V 3A RADIAL Bourns Inc.	9,247	-	RFQ	Datasheet	Radial, Disc	Multifuse®, MF-R	Tape & Reel (TR)	Active	Polymeric	30V	3 A	6 A	40 A	10.8 s	20 mOhms	80 mOhms	-	-40°C ~ 85°C	-	-	-	Through Hole	0.472" L x 0.118" W (12.00mm x 3.00mm)	0.720" (18.30mm)	-	0.201" (5.10mm)
PRG21BC3R3MM1RA PTC RESET FUSE 20V 180MA 0805 Murata Electronics	8,252	-	RFQ	Datasheet	0805 (2012 Metric)	POSISTOR®, PRG	Tape & Reel (TR)	Active	Ceramic	20V	180 mA	400 mA	7.5 A	-	-	-	3.3 Ohms	-20°C ~ 85°C	-	-	-	Surface Mount	0.079" L x 0.049" W (2.00mm x 1.25mm)	-	0.043" (1.10mm)	-
0ZRM0050FF1E PTC RESET FUSE 120V 500MA RADIAL Bel Fuse Inc.	3,309	-	RFQ	Datasheet	Radial, Disc	0ZRM	Box	Active	Polymeric	120V	500 mA	1 A	3 A	6 s	500 mOhms	1.17 Ohms	-	-40°C ~ 85°C	Automotive	AEC-Q200	-	Through Hole	0.362" Dia x 0.150" T (9.20mm x 3.80mm)	0.587" (14.90mm)	-	0.201" (5.10mm)
B59407A0115A062 THERMISTOR PTC 470 OHM 25% 0402 EPCOS - TDK Electronics	6,147	-	RFQ	Datasheet	0402 (1005 Metric)	B59407	Tape & Reel (TR)	Active	Ceramic	32V	13 mA	32 mA	120 mA	-	265 Ohms	470 Ohms	-	-40°C ~ 125°C	Automotive	AEC-Q200	-	Surface Mount	0.039" L x 0.020" W (1.00mm x 0.50mm)	-	0.022" (0.55mm)	-
PFRA.250 PTC RESET FUSE 30V 2.5A RADIAL SCHURTER Inc.	2,870	-	RFQ	Datasheet	Radial, Disc	PFRA	Bulk	Active	Polymeric	30V	2.5 A	5 A	40 A	10.3 s	25 mOhms	70 mOhms	-	-40°C ~ 85°C	-	-	-	Through Hole	0.472" L x 0.118" W (12.00mm x 3.00mm)	0.720" (18.30mm)	-	0.201" (5.10mm)
RXEF110-2 PTC RESET FUSE 72V 1.1A RADIAL Littelfuse Inc.	1,877	-	RFQ	Datasheet	Radial, Disc	PolySwitch®, RXEF	Tape & Reel (TR)	Active	Polymeric	72V	1.1 A	2.2 A	40 A	8.2 s	150 mOhms	380 mOhms	-	-40°C ~ 85°C	-	-	-	Through Hole	0.504" Dia x 0.118" T (12.80mm x 3.00mm)	0.689" (17.50mm)	-	0.199" (5.05mm)
NANOSMDC200F-2 PTC RESET FUSE 6V 2A 1206 Littelfuse Inc.	1,266	-	RFQ	Datasheet	1206 (3216 Metric), Concave	PolySwitch®, nanoSMD	Tape & Reel (TR)	Active	Polymeric	6V	2 A	4 A	100 A	1.5 s	20 mOhms	72 mOhms	-	-40°C ~ 85°C	-	-	-	Surface Mount	0.126" L x 0.063" W (3.20mm x 1.59mm)	-	0.043" (1.10mm)	-

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PTC Resettable Fuses FAQ

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