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
RGE900 PTC RESET FUSE 16V 9A RADIAL Littelfuse Inc.	4,880	-	RFQ	Datasheet	Radial, Disc	PolySwitch®	Bulk	Obsolete	Polymeric	16V	9 A	15.3 A	100 A	5.5 s	5 mOhms	14 mOhms	-	-	-	-	-	Through Hole	0.530" L x 0.100" W (13.50mm x 2.50mm)	0.854" (21.70mm)	-	0.199" (5.05mm)
RGE1100 PTC RESET FUSE 16V 11A RADIAL Littelfuse Inc.	5,071	-	RFQ	Datasheet	Radial, Disc	PolySwitch®	Bulk	Obsolete	Polymeric	16V	11 A	18.7 A	100 A	7 s	3.7 mOhms	8.9 mOhms	-	-	-	-	-	Through Hole	0.669" L x 0.098" W (17.00mm x 2.50mm)	1.024" (26.00mm)	-	0.199" (5.05mm)
TR250-080U PTC RESET FUSE 250V 80MA RADIAL Littelfuse Inc.	8,714	-	RFQ	Datasheet	Radial, Disc	PolySwitch®	Bulk	Obsolete	Polymeric	250V (60V Int)	80 mA	-	3 A	3 s	14 Ohms	33 Ohms	-	-40°C ~ 85°C	-	-	-	Through Hole	0.189" Dia x 0.150" T (4.80mm x 3.80mm)	0.366" (9.30mm)	-	0.197" (5.00mm)
RXE110-1 PTC RESET FUSE 72V 1.1A RADIAL Littelfuse Inc.	2,359	-	RFQ	Datasheet	Radial, Disc	PolySwitch®, RXE	Bulk	Obsolete	Polymeric	72V	1.1 A	2.2 A	40 A	8.2 s	150 mOhms	380 mOhms	-	-	-	-	-	Through Hole	0.504" Dia x 0.118" T (12.80mm x 3.00mm)	0.689" (17.50mm)	-	0.199" (5.05mm)
RUSB075 PTC RESET FUSE 6V 750MA RADIAL Littelfuse Inc.	7,653	-	RFQ	Datasheet	Radial, Disc	PolySwitch®	Bulk	Obsolete	Polymeric	6V	750 mA	1.3 A	40 A	400 ms	110 mOhms	230 mOhms	-	-	-	-	-	Through Hole	0.272" L x 0.118" W (6.90mm x 3.00mm)	0.449" (11.40mm)	-	0.201" (5.10mm)
RUSB090 PTC RESET FUSE 16V 900MA RADIAL Littelfuse Inc.	5,190	-	RFQ	Datasheet	Radial, Disc	PolySwitch®	Bulk	Obsolete	Polymeric	16V	900 mA	1.8 A	40 A	1.2 s	70 mOhms	180 mOhms	-	-	-	-	-	Through Hole	0.291" L x 0.118" W (7.40mm x 3.00mm)	0.480" (12.20mm)	-	0.199" (5.05mm)
RUSB120 PTC RESET FUSE 6V 1.2A RADIAL Littelfuse Inc.	8,991	-	RFQ	Datasheet	Radial, Disc	PolySwitch®	Bulk	Obsolete	Polymeric	6V	1.2 A	2 A	40 A	500 ms	70 mOhms	140 mOhms	-	-	-	-	-	Through Hole	0.272" Dia x 0.122" T (6.90mm x 3.10mm)	0.461" (11.70mm)	-	0.201" (5.10mm)
RUSB135 PTC RESET FUSE 16V 1.35A RADIAL Littelfuse Inc.	3,383	-	RFQ	Datasheet	Radial, Disc	PolySwitch®	Bulk	Obsolete	Polymeric	16V	1.35 A	2.7 A	40 A	4.5 s	40 mOhms	115 mOhms	-	-	-	-	-	Through Hole	0.350" L x 0.118" W (8.90mm x 3.00mm)	0.532" (13.50mm)	-	0.199" (5.05mm)
RUSB250 PTC RESET FUSE 16V 2.5A RADIAL Littelfuse Inc.	3,946	-	RFQ	Datasheet	Radial, Disc	PolySwitch®	Bulk	Obsolete	Polymeric	16V	2.5 A	5 A	40 A	40 s	20 mOhms	60 mOhms	-	-	-	-	-	Through Hole	0.449" L x 0.118" W (11.40mm x 3.00mm)	0.720" (18.30mm)	-	0.199" (5.05mm)
RGE1400 PTC RESET FUSE 16V 14A RADIAL Littelfuse Inc.	7,578	-	RFQ	Datasheet	Radial, Disc	PolySwitch®	Bulk	Obsolete	Polymeric	16V	14 A	23.8 A	100 A	9 s	2.6 mOhms	6.4 mOhms	-	-	-	-	-	Through Hole	0.904" L x 0.114" W (22.96mm x 2.90mm)	1.102" (28.00mm)	-	0.400" (10.15mm)

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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.