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
FSMD330-2920R RESETTABLE FUSE - SMD, 2920 SIZE RFE/Fuzetec	900	-	RFQ	Datasheet	2920 (7351 Metric), Concave	FSMD2920	Tape & Reel (TR)	Active	-	24V	3.3 A	5.5 A	100 A	20 s	10 mOhms	48 mOhms	-	-40°C ~ 85°C	-	-	-	Surface Mount	0.290" L x 0.202" W (7.36mm x 5.12mm)	-	0.045" (1.15mm)	-
FRV025-240F RESETTABLE FUSE - PPTC RADIAL LE RFE/Fuzetec	490	-	RFQ	Datasheet	Radial, Disc	FRV	Bulk	Active	-	240V (265V Int)	250 mA	560 mA	3.5 A	18.5 s	1.3 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)
FRG800-16F RESETTABLE FUSE - PPTC RADIAL LE RFE/Fuzetec	380	-	RFQ	Datasheet	Radial, Disc	FRG	Bulk	Active	-	16V	8 A	13.6 A	100 A	9 s	5 mOhms	18 mOhms	-	-40°C ~ 85°C	-	-	-	Through Hole	0.500" L x 0.118" W (12.70mm x 3.00mm)	0.823" (20.90mm)	-	0.201" (5.10mm)
FRX250-90F RESETTABLE FUSE - PPTC RADIAL LE RFE/Fuzetec	290	-	RFQ	Datasheet	Radial, Disc	FRX90	Bulk	Active	-	72V (90V Int)	2.5 A	5 A	40 A	15.6 s	50 mOhms	130 mOhms	-	-40°C ~ 85°C	-	-	-	Through Hole	0.839" Dia (21.30mm)	1.039" (26.40mm)	-	0.402" (10.20mm)
FRU500-30F RESETTABLE FUSE - PPTC RADIAL LE RFE/Fuzetec	380	-	RFQ	Datasheet	Radial, Disc	FRU	Bulk	Active	-	30V	5 A	10 A	100 A	14.5 s	10 mOhms	50 mOhms	-	-40°C ~ 85°C	-	-	-	Through Hole	0.551" L x 0.118" W (14.00mm x 3.00mm)	0.980" (24.90mm)	-	0.402" (10.20mm)
FRU600-30F RESETTABLE FUSE - PPTC RADIAL LE RFE/Fuzetec	300	-	RFQ	Datasheet	Radial, Disc	FRU	Bulk	Active	-	30V	6 A	12 A	100 A	16 s	5 mOhms	40 mOhms	-	-40°C ~ 85°C	-	-	-	Through Hole	0.650" L x 0.118" W (16.50mm x 3.00mm)	0.980" (24.90mm)	-	0.402" (10.20mm)
FRG900-16F RESETTABLE FUSE - PPTC RADIAL LE RFE/Fuzetec	400	-	RFQ	Datasheet	Radial, Disc	FRG	Bulk	Active	-	16V	9 A	15.3 A	100 A	12 s	4 mOhms	15 mOhms	-	-40°C ~ 85°C	-	-	-	Through Hole	0.551" L x 0.118" W (14.00mm x 3.00mm)	0.854" (21.70mm)	-	0.201" (5.10mm)
FRG1000-16F RESETTABLE FUSE - PPTC RADIAL LE RFE/Fuzetec	280	-	RFQ	Datasheet	Radial, Disc	FRG	Bulk	Active	-	16V	10 A	17 A	100 A	12.5 s	3 mOhms	12 mOhms	-	-40°C ~ 85°C	-	-	-	Through Hole	0.650" L x 0.118" W (16.50mm x 3.00mm)	0.949" (24.10mm)	-	0.201" (5.10mm)
FRU800-30F RESETTABLE FUSE - PPTC RADIAL LE RFE/Fuzetec	280	-	RFQ	Datasheet	Radial, Disc	FRU	Bulk	Active	-	30V	8 A	16 A	100 A	18.8 s	5 mOhms	20 mOhms	-	-40°C ~ 85°C	-	-	-	Through Hole	0.850" L x 0.118" W (21.60mm x 3.00mm)	1.150" (29.20mm)	-	0.402" (10.20mm)
FSMD500-16-2920R RESETTABLE FUSE - SMD, 2920 SIZE RFE/Fuzetec	800	-	RFQ	Datasheet	2920 (7351 Metric), Concave	FSMD2920	Tape & Reel (TR)	Active	-	16V	5 A	10 A	100 A	5 s	5 mOhms	25 mOhms	-	-40°C ~ 85°C	-	-	-	Surface Mount	0.290" L x 0.202" W (7.36mm x 5.12mm)	-	0.059" (1.50mm)	-

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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.