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
BK130-400-SZ PTC RESET FUSE 130V 400MA RAD YAGEO	8,700	-	RFQ	Datasheet	Radial, Disc	BK130	Bulk	Active	Polymeric	130V	400 mA	800 mA	20 A	5 s	900 mOhms	1.8 Ohms	-	-40°C ~ 85°C	-	-	-	Through Hole	0.449" L x 0.150" W (11.40mm x 3.80mm)	0.768" (19.50mm)	-	0.201" (5.10mm)
BK60-110-SZ PTC RESET FUSE 60V 1.1A RAD YAGEO	2,529	-	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	0.591" L x 0.122" W (15.00mm x 3.10mm)	0.591" (15.00mm)	-	0.201" (5.10mm)
BK130-650-SZ PTC RESET FUSE 130V 650MA RAD YAGEO	4,682	-	RFQ	Datasheet	Radial, Disc	BK130	Bulk	Active	Polymeric	130V	650 mA	1.3 A	10 A	8 s	500 mOhms	1 Ohms	-	-40°C ~ 85°C	-	-	-	Through Hole	0.551" L x 0.150" W (14.00mm x 3.80mm)	0.854" (21.70mm)	-	0.201" (5.10mm)
BK130-500-SZ PTC RESET FUSE 130V 500MA RAD YAGEO	2,220	-	RFQ	Datasheet	Radial, Disc	BK130	Bulk	Active	Polymeric	130V	500 mA	1 A	20 A	5 s	800 mOhms	1.6 Ohms	-	-40°C ~ 85°C	-	-	-	Through Hole	0.453" L x 0.150" W (11.50mm x 3.80mm)	0.854" (21.70mm)	-	0.201" (5.10mm)
BK130-750-SZ PTC RESET FUSE 130V 750MA RAD YAGEO	3,054	-	RFQ	Datasheet	Radial, Disc	BK130	Bulk	Active	Polymeric	130V	750 mA	1.5 A	10 A	8 s	400 mOhms	800 mOhms	-	-40°C ~ 85°C	-	-	-	Through Hole	0.551" L x 0.150" W (14.00mm x 3.80mm)	0.854" (21.70mm)	-	0.201" (5.10mm)
BK250-180-DZ PTC RESET FUSE 250V 180MA RAD YAGEO	5,650	-	RFQ	Datasheet	Radial, Disc	BK250	Bulk	Active	Polymeric	250V	180 mA	540 mA	10 A	15 s	1 Ohms	3 Ohms	-	-40°C ~ 85°C	-	-	-	Through Hole	0.413" Dia x 0.181" T (10.50mm x 4.60mm)	0.728" (18.50mm)	-	0.201" (5.10mm)
BK250-180-SY PTC RESET FUSE 250V 180MA RAD YAGEO	9,106	-	RFQ	Datasheet	Radial, Disc	BK250	Bulk	Active	Polymeric	250V	180 mA	540 mA	10 A	15 s	1 Ohms	3 Ohms	-	-40°C ~ 85°C	-	-	-	Through Hole	0.413" L x 0.181" W (10.50mm x 4.60mm)	0.728" (18.50mm)	-	0.201" (5.10mm)
BK250-180-SZ PTC RESET FUSE 250V 180MA RAD YAGEO	2,582	-	RFQ	Datasheet	Radial, Disc	BK250	Bulk	Active	Polymeric	250V	180 mA	540 mA	10 A	15 s	3 Ohms	10 Ohms	-	-40°C ~ 85°C	-	-	-	Through Hole	0.413" L x 0.181" W (10.50mm x 4.60mm)	0.728" (18.50mm)	-	0.201" (5.10mm)
BK250-250-SZ PTC RESET FUSE 250V 250MA RAD YAGEO	2,610	-	RFQ	Datasheet	Radial, Disc	BK250	Bulk	Active	Polymeric	250V	250 mA	500 mA	10 A	7 s	1.6 Ohms	4.8 Ohms	-	-40°C ~ 85°C	-	-	-	Through Hole	0.366" L x 0.181" W (9.30mm x 4.60mm)	0.591" (15.00mm)	-	0.201" (5.10mm)
BK130-900-SZ PTC RESET FUSE 130V 900MA RAD YAGEO	8,408	-	RFQ	Datasheet	Radial, Disc	BK130	Bulk	Active	Polymeric	130V	900 mA	1.8 A	10 A	8 s	300 mOhms	600 mOhms	-	-40°C ~ 85°C	-	-	-	Through Hole	0.551" L x 0.150" W (14.00mm x 3.80mm)	0.854" (21.70mm)	-	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.