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
RUE400-1 PTC RESET FUSE 30V 4A RADIAL Littelfuse Inc.	7,585	-	RFQ	Datasheet	Radial, Disc	PolySwitch®	Bulk	Obsolete	Polymeric	30V	4 A	8 A	40 A	12.7 s	10 mOhms	50 mOhms	-	-40°C ~ 85°C	-	-	-	Through Hole	0.551" L x 0.120" W (14.00mm x 3.00mm)	0.831" (21.10mm)	-	0.201" (5.10mm)
RXE050-1 PTC RESET FUSE 72V 500MA RADIAL Littelfuse Inc.	9,724	-	RFQ	Datasheet	Radial, Disc	PolySwitch®, RXE	Bulk	Obsolete	Polymeric	72V	500 mA	1 A	40 A	4 s	500 mOhms	1.17 Ohms	-	-	-	-	-	Through Hole	0.311" Dia x 0.118" T (7.90mm x 3.00mm)	0.539" (13.70mm)	-	0.199" (5.05mm)
RXE010S PTC RESET FUSE 60V 100MA RADIAL Littelfuse Inc.	7,866	-	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)
RXE050S PTC RESET FUSE 72V 500MA RADIAL Littelfuse Inc.	8,159	-	RFQ	Datasheet	Radial, Disc	PolySwitch®, RXE	Bulk	Obsolete	Polymeric	72V	500 mA	1 A	40 A	4 s	500 mOhms	1.17 Ohms	-	-	-	-	-	Through Hole	0.311" Dia x 0.118" T (7.90mm x 3.00mm)	0.539" (13.70mm)	-	0.199" (5.05mm)
RGE400 PTC RESET FUSE 16V 4A RADIAL Littelfuse Inc.	7,198	-	RFQ	Datasheet	Radial, Disc	PolySwitch®	Bulk	Obsolete	Polymeric	16V	4 A	6.8 A	100 A	1.7 s	21 mOhms	60 mOhms	-	-	-	-	-	Through Hole	0.331" L x 0.098" W (8.40mm x 2.50mm)	0.504" (12.80mm)	-	0.199" (5.05mm)
RGE600 PTC RESET FUSE 16V 6A RADIAL Littelfuse Inc.	9,513	-	RFQ	Datasheet	Radial, Disc	PolySwitch®	Bulk	Obsolete	Polymeric	16V	6 A	10.2 A	100 A	3.3 s	10 mOhms	28 mOhms	-	-	-	-	-	Through Hole	0.402" L x 0.098" W (10.20mm x 2.50mm)	0.673" (17.10mm)	-	0.199" (5.05mm)
RGE800 PTC RESET FUSE 16V 8A RADIAL Littelfuse Inc.	7,972	-	RFQ	Datasheet	Radial, Disc	PolySwitch®	Bulk	Obsolete	Polymeric	16V	8 A	13.6 A	100 A	5 s	6 mOhms	18 mOhms	-	-	-	-	-	Through Hole	0.480" L x 0.098" W (12.20mm x 2.50mm)	0.823" (20.90mm)	-	0.199" (5.05mm)
RGE1200 PTC RESET FUSE 16V 12A RADIAL Littelfuse Inc.	9,322	-	RFQ	Datasheet	Radial, Disc	PolySwitch®	Bulk	Obsolete	Polymeric	16V	12 A	20.4 A	100 A	7.5 s	3.3 mOhms	-	-	-	-	-	-	Through Hole	0.670" L x 0.115" W (16.95mm x 2.90mm)	1.102" (28.00mm)	-	0.400" (10.15mm)
RHE450 PTC RESET FUSE 16V 4.5A RADIAL Littelfuse Inc.	4,693	-	RFQ	Datasheet	Radial, Disc	PolySwitch®	Bulk	Obsolete	Polymeric	16V	4.5 A	7.8 A	100 A	3 s	22 mOhms	3.6 Ohms	-	-	-	-	-	Through Hole	0.409" L x 0.118" W (10.40mm x 3.00mm)	0.614" (15.60mm)	-	0.199" (5.05mm)
RHE600 PTC RESET FUSE 16V 6A RADIAL Littelfuse Inc.	9,500	-	RFQ	Datasheet	Radial, Disc	PolySwitch®	Bulk	Obsolete	Polymeric	16V	6 A	10.8 A	100 A	5 s	13 mOhms	4.1 Ohms	-	-	-	-	-	Through Hole	0.441" L x 0.118" W (11.20mm x 3.00mm)	0.827" (21.00mm)	-	0.199" (5.05mm)

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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.