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
BK250-250-SY PTC RESET FUSE 250V 250MA RAD YAGEO	9,671	-	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)
BK16-700-SZ PTC RESET FUSE 16V 7A RAD YAGEO	5,620	-	RFQ	Datasheet	Radial, Disc	BK16	Bulk	Active	Polymeric	16V	7 A	14 A	100 A	3.5 s	8 mOhms	19 mOhms	-	-40°C ~ 85°C	-	-	-	Through Hole	0.531" L x 0.122" W (13.50mm x 3.10mm)	0.866" (22.00mm)	-	0.201" (5.10mm)
BK16-800-SZ PTC RESET FUSE 16V 8A RAD YAGEO	7,299	-	RFQ	Datasheet	Radial, Disc	BK16	Bulk	Active	Polymeric	16V	8 A	16 A	100 A	5.6 s	6 mOhms	14.5 mOhms	-	-40°C ~ 85°C	-	-	-	Through Hole	0.571" L x 0.122" W (14.50mm x 3.10mm)	0.984" (25.00mm)	-	0.201" (5.10mm)
BK16-900-SZ PTC RESET FUSE 16V 9A RAD YAGEO	5,879	-	RFQ	Datasheet	Radial, Disc	BK16	Bulk	Active	Polymeric	16V	9 A	18 A	100 A	4.7 s	4 mOhms	12 mOhms	-	-40°C ~ 85°C	-	-	-	Through Hole	0.591" L x 0.122" W (15.00mm x 3.10mm)	0.984" (25.00mm)	-	0.201" (5.10mm)
BK250-400-SI PTC RESET FUSE 250V 400MA RAD YAGEO	7,353	-	RFQ	Datasheet	Radial, Disc	BK250	Bulk	Active	Polymeric	250V	400 mA	800 mA	10 A	9 s	1 Ohms	3 Ohms	-	-40°C ~ 85°C	-	-	-	Through Hole	0.441" L x 0.181" W (11.20mm x 4.60mm)	0.768" (19.50mm)	-	0.201" (5.10mm)
SMD2920B400TF PTC RESET FUSE 15V 4A 2920 YAGEO	6,712	-	RFQ	Datasheet	2920 (7351 Metric), Concave	SMD2920	Tape & Reel (TR)	Active	Polymeric	15V	4 A	8 A	40 A	4 s	8 mOhms	40 mOhms	-	-40°C ~ 85°C	-	-	-	Surface Mount	0.290" L x 0.202" W (7.36mm x 5.12mm)	-	0.043" (1.10mm)	-
BK30-600-SZ PTC RESET FUSE 30V 6A RAD YAGEO	3,516	-	RFQ	Datasheet	Radial, Disc	BK30	Bulk	Active	Polymeric	30V	6 A	12 A	40 A	16 s	5 mOhms	40 mOhms	-	-40°C ~ 85°C	-	-	-	Through Hole	0.689" L x 0.122" W (17.50mm x 3.10mm)	1.083" (27.50mm)	-	0.413" (10.50mm)
BK16-1100-SZ PTC RESET FUSE 16V 11A RAD YAGEO	4,601	-	RFQ	Datasheet	Radial, Disc	BK16	Bulk	Active	Polymeric	16V	11 A	22 A	100 A	7 s	3 mOhms	10 mOhms	-	-40°C ~ 85°C	-	-	-	Through Hole	0.709" L x 0.122" W (18.00mm x 3.10mm)	1.083" (27.50mm)	-	0.413" (10.50mm)
BK16-1000-SZ PTC RESET FUSE 16V 10A RAD YAGEO	7,333	-	RFQ	Datasheet	Radial, Disc	BK16	Bulk	Active	Polymeric	16V	10 A	20 A	100 A	6 s	4 mOhms	11 mOhms	-	-40°C ~ 85°C	-	-	-	Through Hole	0.709" L x 0.122" W (18.00mm x 3.10mm)	1.083" (27.50mm)	-	0.413" (10.50mm)
BK16-1200-SZ PTC RESET FUSE 16V 12A RAD YAGEO	5,089	-	RFQ	Datasheet	Radial, Disc	BK16	Bulk	Active	Polymeric	16V	12 A	24 A	100 A	7.5 s	3 mOhms	9 mOhms	-	-40°C ~ 85°C	-	-	-	Through Hole	0.886" L x 0.122" W (22.50mm x 3.10mm)	1.122" (28.50mm)	-	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.