PTC Resettable Fuses

Browse available PTC Resettable Fuses part numbers with manufacturer references, stock information, pricing, datasheets and key specifications. Use the table below to compare options for your project.

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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
RUE110 PTC RESET FUSE 30V 1.1A RADIAL Littelfuse Inc.	8,749	-	RFQ	Datasheet	Radial, Disc	PolySwitch®	Bulk	Obsolete	Polymeric	30V	1.1 A	2.2 A	40 A	6.6 s	50 mOhms	170 mOhms	-	-40°C ~ 85°C	-	-	-	Through Hole	0.291" L x 0.118" W (7.40mm x 3.00mm)	0.559" (14.20mm)	-	0.201" (5.10mm)
RUE500 PTC RESET FUSE 30V 5A RADIAL Littelfuse Inc.	7,219	-	RFQ	Datasheet	Radial, Disc	PolySwitch®	Bulk	Obsolete	Polymeric	30V	5 A	10 A	40 A	14.5 s	10 mOhms	50 mOhms	-	-40°C ~ 85°C	-	-	-	Through Hole	0.551" L x 0.120" W (14.00mm x 3.00mm)	0.980" (24.90mm)	-	0.402" (10.20mm)
RUE300 PTC RESET FUSE 30V 3A RADIAL Littelfuse Inc.	7,850	-	RFQ	Datasheet	Radial, Disc	PolySwitch®	Bulk	Obsolete	Polymeric	30V	3 A	6 A	40 A	10.8 s	20 mOhms	80 mOhms	-	-40°C ~ 85°C	-	-	-	Through Hole	0.449" L x 0.118" W (11.40mm x 3.00mm)	0.681" (17.30mm)	-	0.201" (5.10mm)
RUE090 PTC RESET FUSE 30V 900MA RADIAL Littelfuse Inc.	7,592	-	RFQ	Datasheet	Radial, Disc	PolySwitch®	Bulk	Obsolete	Polymeric	30V	900 mA	1.8 A	40 A	5.9 s	70 mOhms	220 mOhms	-	-40°C ~ 85°C	-	-	-	Through Hole	0.291" L x 0.118" W (7.40mm x 3.00mm)	0.480" (12.20mm)	-	0.199" (5.05mm)
RXE160 PTC RESET FUSE 60V 1.6A RADIAL Littelfuse Inc.	4,412	-	RFQ	Datasheet	Radial, Disc	PolySwitch®, RXE	Bulk	Obsolete	Polymeric	60V	1.6 A	3.2 A	40 A	11.4 s	90 mOhms	220 mOhms	-	-40°C ~ 85°C	-	-	-	Through Hole	0.642" Dia x 0.118" T (16.30mm x 3.00mm)	0.819" (20.80mm)	-	0.199" (5.05mm)
RXE110 PTC RESET FUSE 72V 1.1A RADIAL Littelfuse Inc.	5,283	-	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)
RXE017 PTC RESET FUSE 60V 170MA RADIAL Littelfuse Inc.	3,178	-	RFQ	Datasheet	Radial, Disc	PolySwitch®, RXE	Bulk	Obsolete	Polymeric	60V	170 mA	340 mA	40 A	3 s	3.3 Ohms	8 Ohms	-	-	-	-	-	Through Hole	0.291" Dia x 0.118" T (7.40mm x 3.00mm)	0.500" (12.70mm)	-	0.199" (5.05mm)
RUE250 PTC RESET FUSE 30V 2.5A RADIAL Littelfuse Inc.	6,043	-	RFQ	Datasheet	Radial, Disc	PolySwitch®	Bulk	Obsolete	Polymeric	30V	2.5 A	5 A	40 A	10.3 s	20 mOhms	70 mOhms	-	-40°C ~ 85°C	-	-	-	Through Hole	0.449" L x 0.118" W (11.40mm x 3.00mm)	0.720" (18.30mm)	-	0.201" (5.10mm)
RXE375 PTC RESET FUSE 72V 3.75A RADIAL Littelfuse Inc.	2,682	-	RFQ	Datasheet	Radial, Disc	PolySwitch®, RXE	Bulk	Obsolete	Polymeric	72V	3.75 A	7.5 A	40 A	24 s	30 mOhms	80 mOhms	-	-	-	-	-	Through Hole	1.071" Dia x 0.118" T (27.20mm x 3.00mm)	1.252" (31.80mm)	-	0.400" (10.15mm)
RXE185 PTC RESET FUSE 72V 1.85A RADIAL Littelfuse Inc.	9,281	-	RFQ	Datasheet	Radial, Disc	PolySwitch®, RXE	Bulk	Obsolete	Polymeric	72V	1.85 A	3.7 A	40 A	12.6 s	80 mOhms	190 mOhms	-	-	-	-	-	Through Hole	0.689" Dia x 0.118" T (17.50mm x 3.00mm)	0.882" (22.40mm)	-	0.199" (5.05mm)
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)
RL3020-1500-100-240-PTO PTC RESET FUSE 240V RADIAL DISC Amphenol Advanced Sensors (Thermometrics)	7,511	-	RFQ	Datasheet	Radial, Disc	PTO	Bulk	Obsolete	Ceramic	240V	-	-	-	60 s	-	-	1.5 kOhms	-	-	-	-	Through Hole	0.350" Dia x 0.310" T (8.89mm x 7.87mm)	0.350" (8.89mm)	-	0.250" (6.35mm)
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)
MF-R090-0-009 PTC RESET FUSE 30V 900MA RADIAL Bourns Inc.	6,655	-	RFQ	Datasheet	Radial, Disc	Multifuse®, MF-R	Bulk	Obsolete	Polymeric	30V	900 mA	1.8 A	40 A	5.9 s	70 mOhms	220 mOhms	-	-40°C ~ 85°C	-	-	-	Through Hole	0.291" L x 0.118" W (7.40mm x 3.00mm)	0.480" (12.20mm)	-	0.201" (5.10mm)
MF-R250-0-010 PTC RESET FUSE 30V 2.5A RADIAL Bourns Inc.	9,364	-	RFQ	Datasheet	Radial, Disc	Multifuse®, MF-R	Bulk	Obsolete	Polymeric	30V	2.5 A	5 A	40 A	10.3 s	25 mOhms	70 mOhms	-	-40°C ~ 85°C	-	-	-	Through Hole	0.472" L x 0.118" W (12.00mm x 3.00mm)	0.720" (18.30mm)	-	0.201" (5.10mm)

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