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
BK250-1000-DZ PTC RESET FUSE 250V 1A RAD YAGEO	2,268	-	RFQ	Datasheet	Radial, Disc	BK250	Bulk	Active	Polymeric	250V	1 A	2 A	10 A	21 s	300 mOhms	800 mOhms	-	-40°C ~ 85°C	-	-	-	Through Hole	0.831" Dia x 0.181" T (21.10mm x 4.60mm)	0.929" (23.60mm)	-	0.402" (10.20mm)
SMD1812B035TF/30 PTC RESET FUSE 30V 350MA 1812 YAGEO	7,481	-	RFQ	Datasheet	1812 (4532 Metric), Concave	SMD1812	Tape & Reel (TR)	Active	Polymeric	30V	350 mA	750 mA	40 A	150 ms	400 mOhms	1.7 Ohms	-	-40°C ~ 85°C	-	-	-	Surface Mount	0.179" L x 0.128" W (4.55mm x 3.24mm)	-	0.049" (1.25mm)	-
BK60-050-DI PTC RESET FUSE 60V 500MA RAD YAGEO	8,459	-	RFQ	Datasheet	Radial, Disc	BK60	Bulk	Active	Polymeric	60V	500 mA	1 A	40 A	4 s	350 mOhms	850 mOhms	-	-40°C ~ 85°C	-	-	-	Through Hole	0.295" Dia x 0.122" T (7.50mm x 3.10mm)	0.571" (14.50mm)	-	0.201" (5.10mm)
SMD2016B075TF PTC RESET FUSE 60V 750MA 2016 YAGEO	9,852	-	RFQ	Datasheet	2016 (5041 Metric), Concave	SMD2016	Tape & Reel (TR)	Active	Polymeric	60V	750 mA	1.55 A	20 A	500 ms	130 mOhms	900 mOhms	-	-40°C ~ 85°C	-	-	-	Surface Mount	0.200" L x 0.160" W (5.08mm x 4.07mm)	-	0.089" (2.25mm)	-
SMD1206B150TFT PTC RESET FUSE 8V 1.5A 1206 YAGEO	4,425	-	RFQ	Datasheet	1206 (3216 Metric), Concave	SMD1206	Tape & Reel (TR)	Active	Polymeric	8V	1.5 A	3 A	100 A	300 ms	30 mOhms	120 mOhms	-	-40°C ~ 85°C	-	-	-	Surface Mount	0.126" L x 0.065" W (3.20mm x 1.65mm)	-	0.063" (1.60mm)	-
BK250-080-DZ PTC RESET FUSE 250V 80MA RAD YAGEO	3,151	-	RFQ	Datasheet	Radial, Disc	BK250	Bulk	Active	Polymeric	250V	80 mA	160 mA	3 A	5 s	10 Ohms	22 Ohms	-	-40°C ~ 85°C	-	-	-	Through Hole	0.291" Dia x 0.181" T (7.40mm x 4.60mm)	0.571" (14.50mm)	-	0.201" (5.10mm)
BK250-030-DZ PTC RESET FUSE 250V 30MA RAD YAGEO	4,040	-	RFQ	Datasheet	Radial, Disc	BK250	Bulk	Active	Polymeric	250V	30 mA	60 mA	1 A	5 s	35 Ohms	90 Ohms	-	-40°C ~ 85°C	-	-	-	Through Hole	0.236" Dia x 0.181" T (6.00mm x 4.60mm)	0.315" (8.00mm)	-	0.201" (5.10mm)
BK250-060-DZ PTC RESET FUSE 250V 60MA RAD YAGEO	3,368	-	RFQ	Datasheet	Radial, Disc	BK250	Bulk	Active	Polymeric	250V	60 mA	120 mA	3 A	5 s	20 Ohms	45 Ohms	-	-40°C ~ 85°C	-	-	-	Through Hole	0.291" Dia x 0.181" T (7.40mm x 4.60mm)	0.571" (14.50mm)	-	0.201" (5.10mm)
BK250-120-SZ PTC RESET FUSE 250V 120MA RAD YAGEO	1,565	-	RFQ	Datasheet	Radial, Disc	BK250	Bulk	Active	Polymeric	250V	120 mA	240 mA	3 A	5 s	6 Ohms	10.5 Ohms	-	-40°C ~ 85°C	-	-	-	Through Hole	0.276" L x 0.181" W (7.00mm x 4.60mm)	0.571" (14.50mm)	-	0.201" (5.10mm)
BK250-120-SY PTC RESET FUSE 250V 120MA RAD YAGEO	9,553	-	RFQ	Datasheet	Radial, Disc	BK250	Bulk	Active	Polymeric	250V	120 mA	240 mA	3 A	5 s	6 Ohms	10.5 Ohms	-	-40°C ~ 85°C	-	-	-	Through Hole	0.276" L x 0.181" W (7.00mm x 4.60mm)	0.571" (14.50mm)	-	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.