PTC Resettable Fuses

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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
SMD2920B500TF/16 PTC RESET FUSE 16V 5A 2920 YAGEO	105	-	RFQ	Datasheet	2920 (7351 Metric), Concave	SMD2920	Tape & Reel (TR)	Active	Polymeric	16V	5 A	10 A	40 A	5 s	5 mOhms	31 mOhms	-	-40°C ~ 85°C	-	-	-	Surface Mount	0.290" L x 0.202" W (7.36mm x 5.12mm)	-	0.063" (1.60mm)	-
SMD1812B110TF/16 PTC RESET FUSE 16V 1.1A 1812 YAGEO	167	-	RFQ	Datasheet	1812 (4532 Metric), Concave	SMD1812	Tape & Reel (TR)	Active	Polymeric	16V	1.1 A	1.95 A	100 A	300 ms	60 mOhms	180 mOhms	-	-40°C ~ 85°C	-	-	-	Surface Mount	0.179" L x 0.128" W (4.55mm x 3.24mm)	-	0.079" (2.00mm)	-
SMD1812B110TF/24 PTC RESET FUSE 8V 1.1A 1812 YAGEO	200	-	RFQ	Datasheet	1812 (4532 Metric), Concave	SMD1812	Tape & Reel (TR)	Active	Polymeric	8V	1.1 A	2.2 A	100 A	300 ms	40 mOhms	210 mOhms	-	-40°C ~ 85°C	-	-	-	Surface Mount	0.179" L x 0.128" W (4.55mm x 3.24mm)	-	0.079" (2.00mm)	-
SMD1812B260TF/12 PTC RESET FUSE 12V 2.6A 1812 YAGEO	839	-	RFQ	Datasheet	1812 (4532 Metric), Concave	SMD1812	Tape & Reel (TR)	Active	Polymeric	12V	2.6 A	5 A	100 A	5 s	15 mOhms	55 mOhms	-	-40°C ~ 85°C	-	-	-	Surface Mount	0.179" L x 0.128" W (4.55mm x 3.24mm)	-	0.071" (1.80mm)	-
BK30-300-SZ PTC RESET FUSE 30V 3A RAD YAGEO	190	-	RFQ	Datasheet	Radial, Disc	BK30	Bulk	Active	Polymeric	30V	3 A	6 A	40 A	10.8 s	22 mOhms	70 mOhms	-	-40°C ~ 85°C	-	-	-	Through Hole	0.520" L x 0.122" W (13.20mm x 3.10mm)	0.807" (20.50mm)	-	0.201" (5.10mm)
SMD2920B100TF PTC RESET FUSE 33V 1.1A 2920 YAGEO	844	-	RFQ	Datasheet	2920 (7351 Metric), Concave	SMD2920	Tape & Reel (TR)	Active	Polymeric	33V	1.1 A	2.2 A	40 A	500 ms	65 mOhms	410 mOhms	-	-40°C ~ 85°C	-	-	-	Surface Mount	0.290" L x 0.202" W (7.36mm x 5.12mm)	-	0.039" (0.98mm)	-
SMD2920B075TF/60 PTC RESET FUSE 60V 750MA 2920 YAGEO	265	-	RFQ	Datasheet	2920 (7351 Metric), Concave	SMD2920	Tape & Reel (TR)	Active	Polymeric	60V	750 mA	1.5 A	10 A	300 ms	100 mOhms	950 mOhms	-	-40°C ~ 85°C	-	-	-	Surface Mount	0.290" L x 0.202" W (7.36mm x 5.12mm)	-	0.071" (1.80mm)	-
BK250-400-SZ PTC RESET FUSE 250V 400MA RAD YAGEO	240	-	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)
BK30-090-SI PTC RESET FUSE 30V 900MA RAD YAGEO	1,000	-	RFQ	Datasheet	Radial, Disc	BK30	Bulk	Active	Polymeric	30V	900 mA	1.8 A	40 A	5.9 s	90 mOhms	220 mOhms	-	-40°C ~ 85°C	-	-	-	Through Hole	0.291" L x 0.122" W (7.40mm x 3.10mm)	0.571" (14.50mm)	-	0.201" (5.10mm)
BK30-135-SI PTC RESET FUSE 30V 1.35A RAD YAGEO	1,000	-	RFQ	Datasheet	Radial, Disc	BK30	Bulk	Active	Polymeric	30V	1.35 A	2.7 A	40 A	7.3 s	55 mOhms	160 mOhms	-	-40°C ~ 85°C	-	-	-	Through Hole	0.362" L x 0.122" W (9.20mm x 3.10mm)	0.661" (16.80mm)	-	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.