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
BK16-600-SZ PTC RESET FUSE 16V 6A RAD YAGEO	497	-	RFQ	Datasheet	Radial, Disc	BK16	Bulk	Active	Polymeric	16V	6 A	12 A	100 A	3.3 s	9 mOhms	25 mOhms	-	-40°C ~ 85°C	-	-	-	Through Hole	0.531" L x 0.122" W (13.50mm x 3.10mm)	0.772" (19.60mm)	-	0.201" (5.10mm)
BK250-145-SZ PTC RESET FUSE 250V 145MA RAD YAGEO	930	-	RFQ	Datasheet	Radial, Disc	BK250	Bulk	Active	Polymeric	250V	145 mA	290 mA	3 A	15 s	3.5 Ohms	6.5 Ohms	-	-40°C ~ 85°C	-	-	-	Through Hole	0.295" L x 0.181" W (7.50mm x 4.60mm)	0.591" (15.00mm)	-	0.201" (5.10mm)
BK16-300-SZ PTC RESET FUSE 16V 3A RAD YAGEO	969	-	RFQ	Datasheet	Radial, Disc	BK16	Bulk	Active	Polymeric	16V	3 A	6 A	100 A	1 s	20 mOhms	72 mOhms	-	-40°C ~ 85°C	-	-	-	Through Hole	0.354" L x 0.122" W (9.00mm x 3.10mm)	0.661" (16.80mm)	-	0.201" (5.10mm)
BK60-075-DI PTC RESET FUSE 60V 750MA RAD YAGEO	500	-	RFQ	Datasheet	Radial, Disc	BK60	Bulk	Active	Polymeric	60V	750 mA	1.5 A	40 A	6.3 s	250 mOhms	550 mOhms	-	-40°C ~ 85°C	-	-	-	Through Hole	0.402" Dia x 0.122" T (10.20mm x 3.10mm)	0.661" (16.80mm)	-	0.201" (5.10mm)
BK60-110-DZ PTC RESET FUSE 60V 1.1A RAD YAGEO	495	-	RFQ	Datasheet	Radial, Disc	BK60	Bulk	Active	Polymeric	60V	1.1 A	2.2 A	40 A	8.2 s	150 mOhms	330 mOhms	-	-40°C ~ 85°C	-	-	-	Through Hole	0.472" Dia x 0.122" T (12.00mm x 3.10mm)	0.709" (18.00mm)	-	0.201" (5.10mm)
BK16-500-SZ PTC RESET FUSE 16V 5A RAD YAGEO	449	-	RFQ	Datasheet	Radial, Disc	BK16	Bulk	Active	Polymeric	16V	5 A	10 A	100 A	2 s	14 mOhms	30 mOhms	-	-40°C ~ 85°C	-	-	-	Through Hole	0.421" L x 0.122" W (10.70mm x 3.10mm)	0.772" (19.60mm)	-	0.201" (5.10mm)
BK60-135-DZ PTC RESET FUSE 60V 1.35A RAD YAGEO	451	-	RFQ	Datasheet	Radial, Disc	BK60	Bulk	Active	Polymeric	60V	1.35 A	2.7 A	40 A	9.6 s	120 mOhms	270 mOhms	-	-40°C ~ 85°C	-	-	-	Through Hole	0.571" Dia x 0.177" T (14.50mm x 4.50mm)	0.772" (19.60mm)	-	0.201" (5.10mm)
BK30-400-SZ PTC RESET FUSE 30V 4A RAD YAGEO	440	-	RFQ	Datasheet	Radial, Disc	BK30	Bulk	Active	Polymeric	30V	4 A	8 A	40 A	12.7 s	10 mOhms	60 mOhms	-	-40°C ~ 85°C	-	-	-	Through Hole	0.551" L x 0.122" W (14.00mm x 3.10mm)	0.929" (23.60mm)	-	0.201" (5.10mm)
BK30-200-SI PTC RESET FUSE 30V 2A RAD YAGEO	654	-	RFQ	Datasheet	Radial, Disc	BK30	Bulk	Active	Polymeric	30V	2 A	4 A	40 A	9.8 s	40 mOhms	100 mOhms	-	-40°C ~ 85°C	-	-	-	Through Hole	0.433" L x 0.122" W (11.00mm x 3.10mm)	0.732" (18.60mm)	-	0.201" (5.10mm)
BK60-300-DZ PTC RESET FUSE 60V 3A RAD YAGEO	200	-	RFQ	Datasheet	Radial, Disc	BK60	Bulk	Active	Polymeric	60V	3 A	6 A	40 A	19.8 s	40 mOhms	90 mOhms	-	-40°C ~ 85°C	-	-	-	Through Hole	0.976" Dia x 0.122" T (24.80mm x 3.10mm)	1.181" (30.00mm)	-	0.413" (10.50mm)

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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.