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
B59975C160A51 PTC RESET FUSE 20V 550MA RADIAL EPCOS - TDK Electronics	2,292	-	RFQ	Datasheet	Radial, Disc	-	Tape & Reel (TR)	Obsolete	Ceramic	20V	550 mA	1.1 A	3 A	-	-	-	1.8 Ohms	-40°C ~ 85°C	-	-	-	Through Hole	0.354" Dia x 0.138" T (9.00mm x 3.50mm)	0.492" (12.50mm)	-	0.197" (5.00mm)
B59975C0160A054 PTC RESET FUSE 20V 550MA RADIAL EPCOS - TDK Electronics	2,235	-	RFQ	Datasheet	Radial, Disc	-	Tape & Reel (TR)	Obsolete	Ceramic	20V	550 mA	1.1 A	3 A	-	-	-	1.8 Ohms	-40°C ~ 85°C	-	-	-	Through Hole	0.354" Dia x 0.138" T (9.00mm x 3.50mm)	0.492" (12.50mm)	-	0.197" (5.00mm)
B59985C0160A051 PTC RESET FUSE 20V 300MA RADIAL EPCOS - TDK Electronics	2,300	-	RFQ	Datasheet	Radial, Disc	B59985	Tape & Reel (TR)	Obsolete	Ceramic	20V	300 mA	600 mA	1 A	-	-	-	4.6 Ohms	-40°C ~ 85°C	-	-	-	Through Hole	0.256" Dia x 0.138" T (6.50mm x 3.50mm)	0.394" (10.00mm)	-	0.197" (5.00mm)
B59990C0120A050 PTC RESET FUSE 80V 50MA RADIAL EPCOS - TDK Electronics	2,797	-	RFQ	Datasheet	Radial, Disc	-	Tape & Reel (TR)	Obsolete	Ceramic	80V	50 mA	100 mA	700 mA	-	-	-	55 Ohms	-40°C ~ 125°C	-	-	-	Through Hole	0.157" Dia x 0.138" T (4.00mm x 3.50mm)	0.295" (7.50mm)	-	0.197" (5.00mm)
B59965C0120A054 PTC RESET FUSE 30V 600MA RADIAL EPCOS - TDK Electronics	5,083	-	RFQ	Datasheet	Radial, Disc	-	Tape & Reel (TR)	Obsolete	Ceramic	30V	600 mA	1.2 A	4.3 A	-	-	-	1.2 Ohms	-40°C ~ 85°C	Automotive	AEC-Q200	-	Through Hole	0.433" Dia x 0.138" T (11.00mm x 3.50mm)	0.571" (14.50mm)	-	0.197" (5.00mm)
B59870C130A51 PTC RESET FUSE 265V 100MA RADIAL EPCOS - TDK Electronics	7,027	-	RFQ	Datasheet	Radial, Disc	-	Tape & Reel (TR)	Active	Ceramic	265V	100 mA	150 mA	400 mA	-	-	-	50 Ohms	0°C ~ 60°C	-	-	-	Through Hole	0.256" Dia x 0.197" T (6.50mm x 5.00mm)	0.394" (10.00mm)	-	0.197" (5.00mm)
B59890C80A51 PTC RESET FUSE 265V 15MA RADIAL EPCOS - TDK Electronics	9,885	-	RFQ	Datasheet	Radial, Disc	-	Tape & Reel (TR)	Obsolete	Ceramic	265V	15 mA	40 mA	200 mA	-	-	-	150 Ohms	0°C ~ 60°C	-	-	-	Through Hole	0.157" Dia x 0.197" T (4.00mm x 5.00mm)	0.295" (7.50mm)	-	0.197" (5.00mm)
B59890C0080A053 PTC RESET FUSE 265V 15MA RADIAL EPCOS - TDK Electronics	2,344	-	RFQ	Datasheet	Radial, Disc	-	Tape & Reel (TR)	Obsolete	Ceramic	265V	15 mA	40 mA	200 mA	-	-	-	150 Ohms	0°C ~ 60°C	-	-	-	Through Hole	0.157" Dia x 0.197" T (4.00mm x 5.00mm)	0.295" (7.50mm)	-	0.197" (5.00mm)
B59884C0120A051 PTC RESET FUSE 420V 21MA RADIAL EPCOS - TDK Electronics	4,066	-	RFQ	Datasheet	Radial, Disc	-	Tape & Reel (TR)	Obsolete	Ceramic	420V	21 mA	39 mA	200 mA	-	-	-	600 Ohms	0°C ~ 60°C	-	-	-	Through Hole	0.256" Dia x 0.197" T (6.50mm x 5.00mm)	0.394" (10.00mm)	-	0.197" (5.00mm)
B59880C80A51 PTC RESET FUSE 265V 30MA RADIAL EPCOS - TDK Electronics	3,299	-	RFQ	Datasheet	Radial, Disc	-	Tape & Reel (TR)	Obsolete	Ceramic	265V	30 mA	70 mA	400 mA	-	-	-	70 Ohms	0°C ~ 60°C	-	-	-	Through Hole	0.256" Dia x 0.197" T (6.50mm x 5.00mm)	0.394" (10.00mm)	-	0.197" (5.00mm)
B59960C0080A051 PTC RESET FUSE 80V 130MA RADIAL EPCOS - TDK Electronics	2,297	-	RFQ	Datasheet	Radial, Disc	-	Tape & Reel (TR)	Obsolete	Ceramic	80V	130 mA	265 mA	4.3 A	-	-	-	5.6 Ohms	-40°C ~ 85°C	-	-	-	Through Hole	0.433" Dia x 0.138" T (11.00mm x 3.50mm)	0.571" (14.50mm)	-	0.197" (5.00mm)
B59965C0160A054 PTC RESET FUSE 20V 700MA RADIAL EPCOS - TDK Electronics	7,588	-	RFQ	Datasheet	Radial, Disc	-	Tape & Reel (TR)	Obsolete	Ceramic	20V	700 mA	1.45 A	4.3 A	-	-	-	1.2 Ohms	-40°C ~ 85°C	-	-	-	Through Hole	0.433" Dia x 0.138" T (11.00mm x 3.50mm)	0.571" (14.50mm)	-	0.197" (5.00mm)
B59965C120A51 PTC RESET FUSE 30V 600MA RADIAL EPCOS - TDK Electronics	5,051	-	RFQ	Datasheet	Radial, Disc	-	Tape & Reel (TR)	Obsolete	Ceramic	30V	600 mA	1.2 A	4.3 A	-	-	-	1.2 Ohms	-40°C ~ 125°C	Automotive	AEC-Q200	-	Through Hole	0.433" Dia x 0.138" T (11.00mm x 3.50mm)	0.571" (14.50mm)	-	0.197" (5.00mm)
B59960C0120A054 PTC RESET FUSE 80V 250MA RADIAL EPCOS - TDK Electronics	8,491	-	RFQ	Datasheet	Radial, Disc	-	Tape & Reel (TR)	Obsolete	Ceramic	80V	250 mA	500 mA	4.3 A	-	-	-	5.6 Ohms	-40°C ~ 125°C	-	-	-	Through Hole	0.433" Dia x 0.138" T (11.00mm x 3.50mm)	0.571" (14.50mm)	-	0.197" (5.00mm)
HVR250P145CF PTC RESET FUSE 60V 145MA RADIAL Littelfuse Inc.	9,302	-	RFQ	Datasheet	Radial, Disc	POLY-FUSE®, HVR250	Tape & Box (TB)	Obsolete	Polymeric	60V (250V Int)	145 mA	290 mA	3 A	2.5 s	3 Ohms	14 Ohms	-	-40°C ~ 85°C	-	-	-	Through Hole	0.236" Dia x 0.201" T (6.00mm x 5.10mm)	0.492" (12.50mm)	-	0.217" (5.50mm)
HVR250P120UF PTC RESET FUSE 60V 120MA RADIAL Littelfuse Inc.	3,040	-	RFQ	Datasheet	Radial, Disc	POLY-FUSE®, HVR250	Tape & Box (TB)	Obsolete	Polymeric	60V (250V Int)	120 mA	240 mA	3 A	1 s	6 Ohms	16 Ohms	-	-40°C ~ 85°C	-	-	-	Through Hole	0.236" Dia x 0.201" T (6.00mm x 5.10mm)	0.394" (10.00mm)	-	0.217" (5.50mm)
HVR250P120CRCF PTC RESET FUSE 60V 120MA RADIAL Littelfuse Inc.	9,292	-	RFQ	Datasheet	Radial, Disc	POLY-FUSE®, HVR250	Tape & Box (TB)	Obsolete	Polymeric	60V (250V Int)	120 mA	240 mA	3 A	850 ms	5.4 Ohms	14 Ohms	-	-40°C ~ 85°C	-	-	-	Through Hole	0.268" Dia x 0.201" T (6.80mm x 5.10mm)	0.492" (12.50mm)	-	0.217" (5.50mm)
HVR250P180UF PTC RESET FUSE 60V 180MA RADIAL Littelfuse Inc.	3,340	-	RFQ	Datasheet	Radial, Disc	POLY-FUSE®, HVR250	Tape & Box (TB)	Obsolete	Polymeric	60V (250V Int)	180 mA	650 mA	10 A	15 s	800 mOhms	4 Ohms	-	-40°C ~ 85°C	-	-	-	Through Hole	0.409" L x 0.201" W (10.40mm x 5.10mm)	0.520" (13.20mm)	-	0.217" (5.50mm)
HVR250P180CF PTC RESET FUSE 60V 180MA RADIAL Littelfuse Inc.	2,826	-	RFQ	Datasheet	Radial, Disc	POLY-FUSE®, HVR250	Tape & Box (TB)	Obsolete	Polymeric	60V (250V Int)	180 mA	650 mA	3 A	21 s	800 mOhms	4 Ohms	-	-40°C ~ 85°C	-	-	-	Through Hole	0.472" L x 0.201" W (12.00mm x 5.10mm)	0.520" (13.20mm)	-	0.217" (5.50mm)
HVR250P120CR2F PTC RESET FUSE 60V 120MA RADIAL Littelfuse Inc.	2,110	-	RFQ	Datasheet	Radial, Disc	POLY-FUSE®, HVR250	Tape & Box (TB)	Obsolete	Polymeric	60V (250V Int)	120 mA	240 mA	3 A	700 ms	8 Ohms	16 Ohms	-	-40°C ~ 85°C	-	-	-	Through Hole	0.268" Dia x 0.201" T (6.80mm x 5.10mm)	0.492" (12.50mm)	-	0.217" (5.50mm)

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PTC Resettable Fuses FAQ

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