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
RXE250 PTC RESET FUSE 72V 2.5A RADIAL Littelfuse Inc.	4,358	-	RFQ	Datasheet	Radial, Disc	PolySwitch®, RXE	Bulk	Obsolete	Polymeric	72V	2.5 A	5 A	40 A	15.6 s	50 mOhms	130 mOhms	-	-	-	-	-	Through Hole	0.819" Dia x 0.118" T (20.80mm x 3.00mm)	1.000" (25.40mm)	-	0.400" (10.15mm)
RUE135 PTC RESET FUSE 30V 1.35A RADIAL Littelfuse Inc.	7,947	-	RFQ	Datasheet	Radial, Disc	PolySwitch®	Bulk	Obsolete	Polymeric	30V	1.35 A	2.7 A	40 A	7.3 s	40 mOhms	130 mOhms	-	-40°C ~ 85°C	-	-	-	Through Hole	0.350" L x 0.118" W (8.90mm x 3.00mm)	0.532" (13.50mm)	-	0.201" (5.10mm)
RXE010 PTC RESET FUSE 60V 100MA RADIAL Littelfuse Inc.	8,661	-	RFQ	Datasheet	Radial, Disc	PolySwitch®, RXE	Bulk	Obsolete	Polymeric	60V	100 mA	200 mA	40 A	4 s	2.5 Ohms	7.5 Ohms	-	-	-	-	-	Through Hole	0.291" Dia x 0.118" T (7.40mm x 3.00mm)	0.457" (11.60mm)	-	0.199" (5.05mm)
RUE900 PTC RESET FUSE 30V 9A RADIAL Littelfuse Inc.	9,464	-	RFQ	Datasheet	Radial, Disc	PolySwitch®	Bulk	Obsolete	Polymeric	30V	9 A	18 A	40 A	20 s	5 mOhms	20 mOhms	-	-40°C ~ 85°C	-	-	-	Through Hole	0.949" L x 0.120" W (24.10mm x 3.00mm)	1.169" (29.70mm)	-	0.402" (10.20mm)
RUE600 PTC RESET FUSE 30V 6A RADIAL Littelfuse Inc.	3,340	-	RFQ	Datasheet	Radial, Disc	PolySwitch®	Bulk	Obsolete	Polymeric	30V	6 A	12 A	40 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)
RUE700 PTC RESET FUSE 30V 7A RADIAL Littelfuse Inc.	2,306	-	RFQ	Datasheet	Radial, Disc	PolySwitch®	Bulk	Obsolete	Polymeric	30V	7 A	14 A	40 A	17.5 s	5 mOhms	30 mOhms	-	-40°C ~ 85°C	-	-	-	Through Hole	0.752" L x 0.118" W (19.10mm x 3.00mm)	1.051" (26.70mm)	-	0.402" (10.20mm)
30R700UF PTC RESET FUSE 30V 7A RADIAL Littelfuse Inc.	4,637	-	RFQ	Datasheet	Radial, Disc	POLY-FUSE®, 30R	Bulk	Obsolete	Polymeric	30V	7 A	14 A	40 A	17.5 s	5 mOhms	30 mOhms	-	-40°C ~ 85°C	-	-	-	Through Hole	0.752" L x 0.118" W (19.10mm x 3.00mm)	1.126" (28.60mm)	-	0.402" (10.20mm)
RGE300 PTC RESET FUSE 16V 3A RADIAL Littelfuse Inc.	4,891	-	RFQ	Datasheet	Radial, Disc	PolySwitch®	Bulk	Obsolete	Polymeric	16V	3 A	5.1 A	100 A	1 s	38 mOhms	-	-	-	-	-	-	Through Hole	0.260" L x 0.098" W (6.60mm x 2.50mm)	0.433" (11.00mm)	-	0.199" (5.05mm)
RGE500 PTC RESET FUSE 16V 5A RADIAL Littelfuse Inc.	5,556	-	RFQ	Datasheet	Radial, Disc	PolySwitch®	Bulk	Obsolete	Polymeric	16V	5 A	8.5 A	100 A	2 s	15 mOhms	34 mOhms	-	-	-	-	-	Through Hole	0.390" L x 0.098" W (9.90mm x 2.50mm)	0.563" (14.30mm)	-	0.199" (5.05mm)
RGE700 PTC RESET FUSE 16V 7A RADIAL Littelfuse Inc.	3,110	-	RFQ	Datasheet	Radial, Disc	PolySwitch®	Bulk	Obsolete	Polymeric	16V	7 A	11.9 A	100 A	3.5 s	8 mOhms	20 mOhms	-	-	-	-	-	Through Hole	0.441" L x 0.118" W (11.20mm x 3.00mm)	0.776" (19.70mm)	-	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.