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
BK60-010-DZ PTC RESET FUSE 60V 100MA RAD YAGEO	640	-	RFQ	Datasheet	Radial, Disc	BK60	Bulk	Active	Polymeric	60V	100 mA	200 mA	40 A	4 s	2.5 Ohms	7.5 Ohms	-	-40°C ~ 85°C	-	-	-	Through Hole	0.236" Dia x 0.122" T (6.00mm x 3.10mm)	0.374" (9.50mm)	-	0.201" (5.10mm)
BK250-060-DY PTC RESET FUSE 250V 60MA RAD YAGEO	1,000	-	RFQ	Datasheet	Radial, Disc	BK250	Bulk	Active	Polymeric	250V	60 mA	120 mA	3 A	5 s	20 Ohms	45 Ohms	-	-40°C ~ 85°C	-	-	-	Through Hole	0.291" Dia x 0.181" T (7.40mm x 4.60mm)	0.571" (14.50mm)	-	0.201" (5.10mm)
BK250-080-DY PTC RESET FUSE 250V 80MA RAD YAGEO	982	-	RFQ	Datasheet	Radial, Disc	BK250	Bulk	Active	Polymeric	250V	80 mA	160 mA	3 A	5 s	10 Ohms	22 Ohms	-	-40°C ~ 85°C	-	-	-	Through Hole	0.291" Dia x 0.181" T (7.40mm x 4.60mm)	0.571" (14.50mm)	-	0.201" (5.10mm)
BK250-040-DY PTC RESET FUSE 250V 40MA RAD YAGEO	973	-	RFQ	Datasheet	Radial, Disc	BK250	Bulk	Active	Polymeric	250V	40 mA	80 mA	3 A	6 s	27 Ohms	65 Ohms	-	-40°C ~ 85°C	-	-	-	Through Hole	0.291" Dia x 0.181" T (7.40mm x 4.60mm)	0.531" (13.50mm)	-	0.201" (5.10mm)
BK30-110-SI PTC RESET FUSE 30V 1.1A RAD YAGEO	1,000	-	RFQ	Datasheet	Radial, Disc	BK30	Bulk	Active	Polymeric	30V	1.1 A	2.2 A	40 A	6.6 s	70 mOhms	200 mOhms	-	-40°C ~ 85°C	-	-	-	Through Hole	0.291" L x 0.122" W (7.40mm x 3.10mm)	0.701" (17.80mm)	-	0.201" (5.10mm)
BK30-160-SI PTC RESET FUSE 30V 1.6A RAD YAGEO	1,000	-	RFQ	Datasheet	Radial, Disc	BK30	Bulk	Active	Polymeric	30V	1.6 A	3.2 A	40 A	8 s	45 mOhms	140 mOhms	-	-40°C ~ 85°C	-	-	-	Through Hole	0.374" L x 0.122" W (9.50mm x 3.10mm)	0.650" (16.50mm)	-	0.201" (5.10mm)
BK30-110-SZ PTC RESET FUSE 30V 1.1A RAD YAGEO	467	-	RFQ	Datasheet	Radial, Disc	BK30	Bulk	Active	Polymeric	30V	1.1 A	2.2 A	40 A	6.6 s	70 mOhms	200 mOhms	-	-40°C ~ 85°C	-	-	-	Through Hole	0.291" L x 0.122" W (7.40mm x 3.10mm)	0.559" (14.20mm)	-	0.201" (5.10mm)
BK60-040-DI PTC RESET FUSE 60V 400MA RAD YAGEO	995	-	RFQ	Datasheet	Radial, Disc	BK60	Bulk	Active	Polymeric	60V	400 mA	800 mA	40 A	3.8 s	500 mOhms	1.1 Ohms	-	-40°C ~ 85°C	-	-	-	Through Hole	0.291" Dia x 0.122" T (7.40mm x 3.10mm)	0.559" (14.20mm)	-	0.201" (5.10mm)
BK60-090-DI PTC RESET FUSE 60V 900MA RAD YAGEO	500	-	RFQ	Datasheet	Radial, Disc	BK60	Bulk	Active	Polymeric	60V	900 mA	1.8 A	40 A	7.2 s	200 mOhms	450 mOhms	-	-40°C ~ 85°C	-	-	-	Through Hole	0.441" Dia x 0.122" T (11.20mm x 3.10mm)	0.709" (18.00mm)	-	0.201" (5.10mm)
BK30-250-SI PTC RESET FUSE 30V 2.5A RAD YAGEO	500	-	RFQ	Datasheet	Radial, Disc	BK30	Bulk	Active	Polymeric	30V	2.5 A	5 A	40 A	10.3 s	27 mOhms	80 mOhms	-	-40°C ~ 85°C	-	-	-	Through Hole	0.520" L x 0.122" W (13.20mm x 3.10mm)	0.807" (20.50mm)	-	0.201" (5.10mm)

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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.