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
RLD30P500UFF PTC RESET FUSE 30V 5A RADIAL Littelfuse Inc.	4,817	-	RFQ	Datasheet	Radial, Disc	POLY-FUSE®, RLD30	Tape & Box (TB)	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 0.118" W (14.00mm x 3.00mm)	0.980" (24.90mm)	-	0.402" (10.20mm)
RLD30P600UFF PTC RESET FUSE 30V 6A RADIAL Littelfuse Inc.	2,453	-	RFQ	Datasheet	Radial, Disc	POLY-FUSE®, RLD30	Tape & Box (TB)	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)
RLD30P700UFF PTC RESET FUSE 30V 7A RADIAL Littelfuse Inc.	3,814	-	RFQ	Datasheet	Radial, Disc	POLY-FUSE®, RLD30	Tape & Box (TB)	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)
RLD30P800UFF PTC RESET FUSE 30V 8A RADIAL Littelfuse Inc.	9,712	-	RFQ	Datasheet	Radial, Disc	POLY-FUSE®, RLD30	Tape & Box (TB)	Obsolete	Polymeric	30V	8 A	16 A	40 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)
RLD30P900UFF PTC RESET FUSE 30V 9A RADIAL Littelfuse Inc.	3,119	-	RFQ	Datasheet	Radial, Disc	POLY-FUSE®, RLD30	Tape & Box (TB)	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 0.118" W (24.10mm x 3.00mm)	1.169" (29.70mm)	-	0.402" (10.20mm)
RLD60P010XFF PTC RESET FUSE 60V 100MA RADIAL Littelfuse Inc.	8,458	-	RFQ	Datasheet	Radial, Disc	POLY-FUSE®, RLD60	Tape & Box (TB)	Obsolete	Polymeric	60V	100 mA	200 mA	40 A	4 s	2.5 Ohms	7.5 Ohms	-	-40°C ~ 85°C	-	-	-	Through Hole	0.291" Dia x 0.122" T (7.40mm x 3.10mm)	0.500" (12.70mm)	-	0.201" (5.10mm)
RLD60P017XFF PTC RESET FUSE 60V 170MA RADIAL Littelfuse Inc.	6,933	-	RFQ	Datasheet	Radial, Disc	POLY-FUSE®, RLD60	Tape & Box (TB)	Obsolete	Polymeric	60V	170 mA	340 mA	40 A	3 s	3.3 Ohms	8 Ohms	-	-40°C ~ 85°C	-	-	-	Through Hole	0.291" Dia x 0.122" T (7.40mm x 3.10mm)	0.500" (12.70mm)	-	0.201" (5.10mm)
RLD60P020XFF PTC RESET FUSE 60V 200MA RADIAL Littelfuse Inc.	7,291	-	RFQ	Datasheet	Radial, Disc	POLY-FUSE®, RLD60	Tape & Box (TB)	Obsolete	Polymeric	60V	200 mA	400 mA	40 A	2.2 s	1.83 Ohms	4.4 Ohms	-	-40°C ~ 85°C	-	-	-	Through Hole	0.291" Dia x 0.122" T (7.40mm x 3.10mm)	0.480" (12.20mm)	-	0.201" (5.10mm)
RLD60P025XFF PTC RESET FUSE 60V 250MA RADIAL Littelfuse Inc.	5,657	-	RFQ	Datasheet	Radial, Disc	POLY-FUSE®, RLD60	Tape & Box (TB)	Obsolete	Polymeric	60V	250 mA	500 mA	40 A	2.5 s	1.25 Ohms	3 Ohms	-	-40°C ~ 85°C	-	-	-	Through Hole	0.291" Dia x 0.122" T (7.40mm x 3.10mm)	0.500" (12.70mm)	-	0.201" (5.10mm)
RLD60P030XFF PTC RESET FUSE 60V 300MA RADIAL Littelfuse Inc.	4,414	-	RFQ	Datasheet	Radial, Disc	POLY-FUSE®, RLD60	Tape & Box (TB)	Obsolete	Polymeric	60V	300 mA	600 mA	40 A	3 s	880 mOhms	2.1 Ohms	-	-40°C ~ 85°C	-	-	-	Through Hole	0.291" Dia x 0.122" T (7.40mm x 3.10mm)	0.512" (13.00mm)	-	0.201" (5.10mm)
RLD60P040XFF PTC RESET FUSE 60V 400MA RADIAL Littelfuse Inc.	3,097	-	RFQ	Datasheet	Radial, Disc	POLY-FUSE®, RLD60	Tape & Box (TB)	Obsolete	Polymeric	60V	400 mA	800 mA	40 A	3.8 s	550 mOhms	1.29 Ohms	-	-40°C ~ 85°C	-	-	-	Through Hole	0.299" Dia x 0.122" T (7.60mm x 3.10mm)	0.532" (13.50mm)	-	0.201" (5.10mm)
RLD60P050XFF PTC RESET FUSE 60V 500MA RADIAL Littelfuse Inc.	8,243	-	RFQ	Datasheet	Radial, Disc	POLY-FUSE®, RLD60	Tape & Box (TB)	Obsolete	Polymeric	60V	500 mA	1 A	40 A	4 s	500 mOhms	1.17 Ohms	-	-40°C ~ 85°C	-	-	-	Through Hole	0.311" Dia x 0.122" T (7.90mm x 3.10mm)	0.539" (13.70mm)	-	0.201" (5.10mm)
RLD60P065XFF PTC RESET FUSE 60V 650MA RADIAL Littelfuse Inc.	5,926	-	RFQ	Datasheet	Radial, Disc	POLY-FUSE®, RLD60	Tape & Box (TB)	Obsolete	Polymeric	60V	650 mA	1.3 A	40 A	5.3 s	310 mOhms	720 mOhms	-	-40°C ~ 85°C	-	-	-	Through Hole	0.382" Dia x 0.122" T (9.70mm x 3.10mm)	0.571" (14.50mm)	-	0.201" (5.10mm)
RLD60P075XFF PTC RESET FUSE 60V 750MA RADIAL Littelfuse Inc.	2,902	-	RFQ	Datasheet	Radial, Disc	POLY-FUSE®, RLD60	Tape & Box (TB)	Obsolete	Polymeric	60V	750 mA	1.5 A	40 A	6.3 s	250 mOhms	600 mOhms	-	-40°C ~ 85°C	-	-	-	Through Hole	0.409" Dia x 0.122" T (10.40mm x 3.10mm)	0.598" (15.20mm)	-	0.201" (5.10mm)
RLD60P090XFF PTC RESET FUSE 60V 900MA RADIAL Littelfuse Inc.	2,734	-	RFQ	Datasheet	Radial, Disc	POLY-FUSE®, RLD60	Tape & Box (TB)	Obsolete	Polymeric	60V	900 mA	1.8 A	40 A	7.2 s	200 mOhms	470 mOhms	-	-40°C ~ 85°C	-	-	-	Through Hole	0.461" Dia x 0.118" T (11.70mm x 3.00mm)	0.618" (15.70mm)	-	0.201" (5.10mm)
RLD60P110XFF PTC RESET FUSE 60V 1.1A RADIAL Littelfuse Inc.	2,963	-	RFQ	Datasheet	Radial, Disc	POLY-FUSE®, RLD60	Tape & Box (TB)	Obsolete	Polymeric	60V	1.1 A	2.2 A	40 A	8.2 s	150 mOhms	380 mOhms	-	-40°C ~ 85°C	-	-	-	Through Hole	0.512" Dia x 0.122" T (13.00mm x 3.10mm)	0.709" (18.00mm)	-	0.201" (5.10mm)
RLD60P135XFF PTC RESET FUSE 60V 1.35A RADIAL Littelfuse Inc.	4,612	-	RFQ	Datasheet	Radial, Disc	POLY-FUSE®, RLD60	Tape & Box (TB)	Obsolete	Polymeric	60V	1.35 A	2.7 A	40 A	9.6 s	120 mOhms	300 mOhms	-	-40°C ~ 85°C	-	-	-	Through Hole	0.571" Dia x 0.122" T (14.50mm x 3.10mm)	0.772" (19.60mm)	-	0.201" (5.10mm)
RLD60P160XFF PTC RESET FUSE 60V 1.6A RADIAL Littelfuse Inc.	4,172	-	RFQ	Datasheet	Radial, Disc	POLY-FUSE®, RLD60	Tape & Box (TB)	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 0.122" T (16.30mm x 3.10mm)	0.839" (21.30mm)	-	0.201" (5.10mm)
RLD60P185XFF PTC RESET FUSE 60V 1.85A RADIAL Littelfuse Inc.	5,025	-	RFQ	Datasheet	Radial, Disc	POLY-FUSE®, RLD60	Tape & Box (TB)	Obsolete	Polymeric	60V	1.85 A	3.7 A	40 A	12.6 s	80 mOhms	190 mOhms	-	-40°C ~ 85°C	-	-	-	Through Hole	0.701" Dia x 0.122" T (17.80mm x 3.10mm)	0.902" (22.90mm)	-	0.201" (5.10mm)
RLD60P250XFF PTC RESET FUSE 60V 2.5A RADIAL Littelfuse Inc.	2,608	-	RFQ	Datasheet	Radial, Disc	POLY-FUSE®, RLD60	Tape & Box (TB)	Obsolete	Polymeric	60V	2.5 A	5 A	40 A	15.6 s	50 mOhms	130 mOhms	-	-40°C ~ 85°C	-	-	-	Through Hole	0.839" Dia x 0.122" T (21.30mm x 3.10mm)	1.039" (26.40mm)	-	0.402" (10.20mm)

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PTC Resettable Fuses FAQ

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Compare the manufacturer part number, electrical specifications, package, operating conditions and application requirements. The product datasheet should be used to confirm technical suitability.

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