PTC Resettable Fuses

Use the filters and product table below to compare PTC Resettable Fuses components by manufacturer, availability, pricing reference and technical specifications. Review datasheets and key parameters to narrow the selection for your application.

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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
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)

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FREQUENTLY ASKED QUESTIONS

PTC Resettable Fuses FAQ

Common questions about filtering, comparing and sourcing PTC Resettable Fuses components.

How can I narrow the PTC Resettable Fuses selection?

Use the available manufacturer and technical parameter filters to reduce the product list. Compare the remaining part numbers against your electrical, package and application requirements.

Should I confirm the datasheet before selecting a part?

Yes. Always review the manufacturer datasheet to confirm ratings, package, operating conditions and other technical details before finalizing a component for your design.

Can Winsun (HK) Electronics help source a specific PTC Resettable Fuses part number?

Yes. Send the exact manufacturer part number and required quantity for availability, lead-time and quotation support.

Do you support BOM, shortage or alternative-part requirements?

Yes. You can submit a BOM or shortage list for sourcing assistance. Where appropriate, our team can also help review possible alternative-part options.