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
BK30-500-SZ PTC RESET FUSE 30V 5A RAD YAGEO	454	-	RFQ	Datasheet	Radial, Disc	BK30	Bulk	Active	Polymeric	30V	5 A	10 A	40 A	14.5 s	10 mOhms	50 mOhms	-	-40°C ~ 85°C	-	-	-	Through Hole	0.551" L x 0.122" W (14.00mm x 3.10mm)	0.929" (23.60mm)	-	0.413" (10.50mm)
BK60-185-DZ PTC RESET FUSE 60V 1.85A RAD YAGEO	1,000	-	RFQ	Datasheet	Radial, Disc	BK60	Bulk	Active	Polymeric	60V	1.85 A	3.7 A	40 A	12.6 s	80 mOhms	180 mOhms	-	-40°C ~ 85°C	-	-	-	Through Hole	0.689" Dia x 0.122" T (17.50mm x 3.10mm)	0.902" (22.90mm)	-	0.201" (5.10mm)
BK30-900-SZ PTC RESET FUSE 30V 9A RAD YAGEO	190	-	RFQ	Datasheet	Radial, Disc	BK30	Bulk	Active	Polymeric	30V	9 A	18 A	40 A	20 s	5 mOhms	20 mOhms	-	-40°C ~ 85°C	-	-	-	Through Hole	0.957" L x 0.122" W (24.30mm x 3.10mm)	1.240" (31.50mm)	-	0.413" (10.50mm)
BK16-1400-SZ PTC RESET FUSE 16V 14A RAD YAGEO	200	-	RFQ	Datasheet	Radial, Disc	BK16	Bulk	Active	Polymeric	16V	14 A	28 A	100 A	9 s	3 mOhms	8 mOhms	-	-40°C ~ 85°C	-	-	-	Through Hole	0.945" L x 0.122" W (24.00mm x 3.10mm)	1.220" (31.00mm)	-	0.413" (10.50mm)
BK60-250-DZ PTC RESET FUSE 60V 2.5A RAD YAGEO	329	-	RFQ	Datasheet	Radial, Disc	BK60	Bulk	Active	Polymeric	60V	2.5 A	5 A	40 A	15.6 s	50 mOhms	110 mOhms	-	-40°C ~ 85°C	-	-	-	Through Hole	0.850" Dia x 0.122" T (21.60mm x 3.10mm)	1.047" (26.60mm)	-	0.413" (10.50mm)
BK60-375-DZ PTC RESET FUSE 60V 3.75A RAD YAGEO	126	-	RFQ	Datasheet	Radial, Disc	BK60	Bulk	Active	Polymeric	60V	3.75 A	7.5 A	40 A	24 s	30 mOhms	80 mOhms	-	-40°C ~ 85°C	-	-	-	Through Hole	1.071" Dia x 0.122" T (27.20mm x 3.10mm)	1.260" (32.00mm)	-	0.413" (10.50mm)
BK600-150-SY PTC RESET FUSE 500V 150MA RAD YAGEO	485	-	RFQ	Datasheet	Radial, Disc	BK600	Bulk	Active	Polymeric	500V	150 mA	300 mA	3 A	6 s	5 Ohms	15 Ohms	-	-40°C ~ 85°C	-	-	-	Through Hole	0.591" L x 0.256" W (15.00mm x 6.50mm)	0.709" (18.00mm)	-	0.201" (5.10mm)
BK250-800-SZ PTC RESET FUSE 250V 800MA RAD YAGEO	475	-	RFQ	Datasheet	Radial, Disc	BK250	Bulk	Active	Polymeric	250V	800 mA	1.6 A	10 A	18 s	400 mOhms	1 Ohms	-	-40°C ~ 85°C	-	-	-	Through Hole	0.787" L x 0.181" W (20.00mm x 4.60mm)	0.866" (22.00mm)	-	0.201" (5.10mm)
BK600-160-SY PTC RESET FUSE 500V 160MA RAD YAGEO	482	-	RFQ	Datasheet	Radial, Disc	BK600	Bulk	Active	Polymeric	500V	160 mA	320 mA	3 A	7.5 s	4 Ohms	12 Ohms	-	-40°C ~ 85°C	-	-	-	Through Hole	0.591" L x 0.256" W (15.00mm x 6.50mm)	0.709" (18.00mm)	-	0.201" (5.10mm)
BK600-110-SY PTC RESET FUSE 500V 110MA RAD YAGEO	490	-	RFQ	Datasheet	Radial, Disc	BK600	Bulk	Active	Polymeric	500V	110 mA	220 mA	3 A	5 s	6 Ohms	18 Ohms	-	-40°C ~ 85°C	-	-	-	Through Hole	0.591" L x 0.256" W (15.00mm x 6.50mm)	0.709" (18.00mm)	-	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.