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
B59886C0120A070 PTC RESET FUSE 550V 12MA RADIAL EPCOS - TDK Electronics	2,528	-	RFQ	Datasheet	Radial, Disc	-	Bulk	Active	Ceramic	550V	12 mA	24 mA	100 mA	-	-	-	1.5 kOhms	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)
B59880C0160A070 PTC RESET FUSE 160V 70MA RADIAL EPCOS - TDK Electronics	1,252	-	RFQ	Datasheet	Radial, Disc	-	Bulk	Active	Ceramic	160V	70 mA	140 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)
B59970C0080A070 PTC RESET FUSE 80V 90MA RADIAL EPCOS - TDK Electronics	485	-	RFQ	Datasheet	Radial, Disc	B59970	Bulk	Active	Ceramic	80V	90 mA	190 mA	3 A	-	-	-	9.4 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)
B59960C0130A070 PTC RESET FUSE 80V 250MA RADIAL EPCOS - TDK Electronics	246	-	RFQ	Datasheet	Radial, Disc	B59960	Bulk	Active	Ceramic	80V	250 mA	380 mA	3 A	-	-	-	8 Ohms	-40°C ~ 125°C	-	-	-	Through Hole	0.354" Dia x 0.138" T (9.00mm x 3.50mm)	0.492" (12.50mm)	-	0.197" (5.00mm)
B59884C0120A070 PTC RESET FUSE 420V 21MA RADIAL EPCOS - TDK Electronics	3,142	-	RFQ	Datasheet	Radial, Disc	-	Bulk	Active	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)
B59870C0160A070 PTC RESET FUSE 160V 125MA RADIAL EPCOS - TDK Electronics	1,141	-	RFQ	Datasheet	Radial, Disc	-	Bulk	Active	Ceramic	160V	125 mA	250 mA	1 A	-	-	-	25 Ohms	0°C ~ 60°C	-	-	-	Through Hole	0.354" Dia x 0.197" T (9.00mm x 5.00mm)	0.492" (12.50mm)	-	0.197" (5.00mm)
B59215P1120A062 THERMISTOR PTC 25 OHM 25% 2SMD EPCOS - TDK Electronics	8,732	-	RFQ	Datasheet	2-SMD	B59215	Tape & Reel (TR)	Active	Ceramic	80V	100 mA	210 mA	1 A	-	15 Ohms	25 Ohms	-	-40°C ~ 125°C	Automotive	AEC-Q200	-	Surface Mount	0.315" L x 0.248" W (8.00mm x 6.30mm)	-	0.150" (3.80mm)	-
B59965C0120A070 PTC RESET FUSE 30V 600MA RADIAL EPCOS - TDK Electronics	1,914	-	RFQ	Datasheet	Radial, Disc	B59965	Bulk	Active	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)
B59975C0120A070 PTC RESET FUSE 30V 450MA RADIAL EPCOS - TDK Electronics	9,587	-	RFQ	Datasheet	Radial, Disc	B59975	Bulk	Active	Ceramic	30V	450 mA	900 mA	3 A	-	-	-	1.8 Ohms	-40°C ~ 85°C	Automotive	AEC-Q200	-	Through Hole	0.354" Dia x 0.138" T (9.00mm x 3.50mm)	0.492" (12.50mm)	-	0.197" (5.00mm)
B59885C0120A070 PTC RESET FUSE 550V 15MA RADIAL EPCOS - TDK Electronics	3,237	-	RFQ	Datasheet	Radial, Disc	-	Bulk	Active	Ceramic	550V	15 mA	30 mA	100 mA	-	-	-	1.2 kOhms	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)

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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.