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
BK250-145-SY PTC RESET FUSE 250V 145MA RAD YAGEO	5,650	-	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)
SMD2920B260TF PTC RESET FUSE 6V 2.6A 2920 YAGEO	6,460	-	RFQ	Datasheet	2920 (7351 Metric), Concave	SMD2920	Tape & Reel (TR)	Active	Polymeric	6V	2.6 A	5 A	40 A	10 s	14 mOhms	75 mOhms	-	-40°C ~ 85°C	-	-	-	Surface Mount	0.290" L x 0.202" W (7.36mm x 5.12mm)	-	0.047" (1.20mm)	-
BK130-300-SZ PTC RESET FUSE 130V 300MA RAD YAGEO	6,002	-	RFQ	Datasheet	Radial, Disc	BK130	Bulk	Active	Polymeric	130V	300 mA	600 mA	20 A	5 s	1.3 Ohms	2.6 Ohms	-	-40°C ~ 85°C	-	-	-	Through Hole	0.378" L x 0.150" W (9.60mm x 3.80mm)	0.689" (17.50mm)	-	0.201" (5.10mm)
BK130-160-DZ PTC RESET FUSE 130V 160MA RAD YAGEO	3,629	-	RFQ	Datasheet	Radial, Disc	BK130	Bulk	Active	Polymeric	130V	160 mA	320 mA	20 A	7 s	3.5 Ohms	7.5 Ohms	-	-40°C ~ 85°C	-	-	-	Through Hole	0.335" Dia x 0.150" T (8.50mm x 3.80mm)	0.492" (12.50mm)	-	0.201" (5.10mm)
BK130-100-DZ PTC RESET FUSE 130V 100MA RAD YAGEO	6,140	-	RFQ	Datasheet	Radial, Disc	BK130	Bulk	Active	Polymeric	130V	100 mA	200 mA	20 A	5 s	9 Ohms	18 Ohms	-	-40°C ~ 85°C	-	-	-	Through Hole	0.327" Dia (8.30mm)	0.421" (10.70mm)	-	0.201" (5.10mm)
BK130-250-SZ PTC RESET FUSE 130V 250MA RAD YAGEO	9,812	-	RFQ	Datasheet	Radial, Disc	BK130	Bulk	Active	Polymeric	130V	250 mA	500 mA	20 A	5 s	1.9 Ohms	3.8 Ohms	-	-40°C ~ 85°C	-	-	-	Through Hole	0.378" L x 0.150" W (9.60mm x 3.80mm)	0.685" (17.40mm)	-	0.201" (5.10mm)
BK130-120-DZ PTC RESET FUSE 130V 120MA RAD YAGEO	4,639	-	RFQ	Datasheet	Radial, Disc	BK130	Bulk	Active	Polymeric	130V	120 mA	240 mA	20 A	6 s	6 Ohms	12 Ohms	-	-40°C ~ 85°C	-	-	-	Through Hole	0.327" Dia (8.30mm)	0.421" (10.70mm)	-	0.201" (5.10mm)
BK130-200-SZ PTC RESET FUSE 130V 200MA RAD YAGEO	7,762	-	RFQ	Datasheet	Radial, Disc	BK130	Bulk	Active	Polymeric	130V	200 mA	400 mA	20 A	5 s	2.5 Ohms	5 Ohms	-	-40°C ~ 85°C	-	-	-	Through Hole	0.378" L x 0.150" W (9.60mm x 3.80mm)	0.685" (17.40mm)	-	0.201" (5.10mm)
SMD2920B075TF PTC RESET FUSE 30V 750MA 2920 YAGEO	6,893	-	RFQ	Datasheet	2920 (7351 Metric), Concave	SMD2920	Tape & Reel (TR)	Active	Polymeric	30V	750 mA	1.5 A	40 A	300 ms	100 mOhms	1 Ohms	-	-40°C ~ 85°C	-	-	-	Surface Mount	0.290" L x 0.202" W (7.36mm x 5.12mm)	-	0.041" (1.05mm)	-
BK16-400-SZ PTC RESET FUSE 16V 4A RAD YAGEO	5,123	-	RFQ	Datasheet	Radial, Disc	BK16	Bulk	Active	Polymeric	16V	4 A	8 A	100 A	1.7 s	18 mOhms	43 mOhms	-	-40°C ~ 85°C	-	-	-	Through Hole	0.394" L x 0.122" W (10.00mm x 3.10mm)	0.689" (17.50mm)	-	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.