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
SMD2920B050TF PTC RESET FUSE 60V 500MA 2920 YAGEO	1,416	-	RFQ	Datasheet	2920 (7351 Metric), Concave	SMD2920	Tape & Reel (TR)	Active	Polymeric	60V	500 mA	1 A	10 A	2.5 s	180 mOhms	1.4 Ohms	-	-40°C ~ 85°C	-	-	-	Surface Mount	0.290" L x 0.202" W (7.36mm x 5.12mm)	-	0.045" (1.15mm)	-
BK250-2000-SZ PTC RESET FUSE 250V 2A RAD YAGEO	184	-	RFQ	Datasheet	Radial, Disc	BK250	Bulk	Active	Polymeric	250V	2 A	4 A	10 A	28 s	100 mOhms	400 mOhms	-	-40°C ~ 85°C	-	-	-	Through Hole	1.031" L x 0.181" W (26.20mm x 4.60mm)	1.291" (32.80mm)	-	0.402" (10.20mm)
SMD1812B050TF/30 PTC RESET FUSE 30V 500MA 1812 YAGEO	1,517	-	RFQ	Datasheet	1812 (4532 Metric), Concave	SMD1812	Tape & Reel (TR)	Active	Polymeric	30V	500 mA	1 A	100 A	150 ms	150 mOhms	1 Ohms	-	-40°C ~ 85°C	-	-	-	Surface Mount	0.179" L x 0.128" W (4.55mm x 3.24mm)	-	0.083" (2.10mm)	-
SMD0805B075TF PTC RESET FUSE 6V 750MA 0805 YAGEO	500	-	RFQ	Datasheet	0805 (2012 Metric), Concave	SMD0805	Tape & Reel (TR)	Active	Polymeric	6V	750 mA	1.5 A	40 A	200 ms	90 mOhms	350 mOhms	-	-40°C ~ 85°C	-	-	-	Surface Mount	0.083" L x 0.053" W (2.10mm x 1.35mm)	-	0.049" (1.25mm)	-
SMD1812B075TF/33 PTC RESET FUSE 33V 750MA 1812 YAGEO	1,979	-	RFQ	Datasheet	1812 (4532 Metric), Concave	SMD1812	Tape & Reel (TR)	Active	Polymeric	33V	750 mA	1.5 A	20 A	200 ms	100 mOhms	400 mOhms	-	-40°C ~ 85°C	-	-	-	Surface Mount	0.179" L x 0.128" W (4.55mm x 3.24mm)	-	0.061" (1.55mm)	-
SMD0603B020TF PTC RESET FUSE 9V 200MA 0603 YAGEO	463	-	RFQ	Datasheet	0603 (1608 Metric), Concave	SMD0603	Tape & Reel (TR)	Active	Polymeric	9V	200 mA	500 mA	40 A	60 ms	550 mOhms	3.5 Ohms	-	-40°C ~ 85°C	-	-	-	Surface Mount	0.063" L x 0.031" W (1.60mm x 0.80mm)	-	0.039" (0.98mm)	-
SMD1812B110TF/33 PTC RESET FUSE 33V 1.1A 1812 YAGEO	225	-	RFQ	Datasheet	1812 (4532 Metric), Concave	SMD1812	Tape & Reel (TR)	Active	Polymeric	33V	1.1 A	1.95 A	20 A	500 ms	60 mOhms	200 mOhms	-	-40°C ~ 85°C	-	-	-	Surface Mount	0.179" L x 0.128" W (4.55mm x 3.24mm)	-	0.079" (2.00mm)	-
SMD1812B300TFT PTC RESET FUSE 6V 3A 1812 YAGEO	449	-	RFQ	Datasheet	1812 (4532 Metric), Concave	SMD1812	Tape & Reel (TR)	Active	Polymeric	6V	3 A	5 A	100 A	4 s	12 mOhms	40 mOhms	-	-40°C ~ 85°C	-	-	-	Surface Mount	0.179" L x 0.128" W (4.55mm x 3.24mm)	-	0.063" (1.60mm)	-
SMD2016B050TF PTC RESET FUSE 60V 550MA 2016 YAGEO	1,355	-	RFQ	Datasheet	2016 (5041 Metric), Concave	SMD2016	Tape & Reel (TR)	Active	Polymeric	60V	550 mA	1.1 A	20 A	5 s	200 mOhms	1 Ohms	-	-40°C ~ 85°C	-	-	-	Surface Mount	0.200" L x 0.160" W (5.08mm x 4.07mm)	-	0.079" (2.00mm)	-
BK250-600-SZ PTC RESET FUSE 250V 600MA RAD YAGEO	204	-	RFQ	Datasheet	Radial, Disc	BK250	Bulk	Active	Polymeric	250V	600 mA	1.2 A	10 A	8 s	600 mOhms	2 Ohms	-	-40°C ~ 85°C	-	-	-	Through Hole	0.630" L x 0.181" W (16.00mm x 4.60mm)	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.