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
0ZRG0120FF2E PTC RESET FUSE 30V 1.2A RADIAL Bel Fuse Inc.	749	-	RFQ	Datasheet	Radial, Disc	0ZRG	Tape & Reel (TR)	Active	Polymeric	30V	1.2 A	2 A	40 A	700 ms	40 mOhms	140 mOhms	-	-40°C ~ 85°C	Automotive	AEC-Q200	-	Through Hole	0.272" Dia x 0.118" T (6.90mm x 3.00mm)	0.461" (11.70mm)	-	0.201" (5.10mm)
RUSBF090 PTC RESET FUSE 16V 900MA RADIAL Littelfuse Inc.	558	-	RFQ	Datasheet	Radial, Disc	PolySwitch®, RUSBF	Bag	Active	Polymeric	16V	900 mA	1.8 A	40 A	1.2 s	70 mOhms	180 mOhms	-	-40°C ~ 85°C	-	-	-	Through Hole	0.291" Dia x 0.122" T (7.40mm x 3.10mm)	0.480" (12.20mm)	-	0.199" (5.05mm)
0ZRN0100FF1E PTC RESET FUSE 30V 1A RADIAL Bel Fuse Inc.	1,837	-	RFQ	Datasheet	Radial, Disc	0ZRN	Bulk	Active	Polymeric	30V	1 A	1.8 A	40 A	5.2 s	180 mOhms	430 mOhms	-	-40°C ~ 125°C	Automotive	AEC-Q200	-	Through Hole	0.382" Dia x 0.118" T (9.70mm x 3.00mm)	0.535" (13.60mm)	-	0.201" (5.10mm)
RKEF135 PTC RESET FUSE 60V 1.35A RADIAL Littelfuse Inc.	471	-	RFQ	Datasheet	Radial, Disc	PolySwitch®, RKEF	Bag	Active	Polymeric	60V	1.35 A	2.7 A	40 A	4.5 s	110 mOhms	370 mOhms	-	-40°C ~ 85°C	-	-	-	Through Hole	0.402" L x 0.150" W (10.20mm x 3.80mm)	0.669" (17.00mm)	-	0.200" (5.08mm)
RUEF135-2 PTC RESET FUSE 30V 1.35A RADIAL Littelfuse Inc.	228	-	RFQ	Datasheet	Radial, Disc	PolySwitch®, RUEF	Tape & Reel (TR)	Active	Polymeric	30V	1.35 A	2.7 A	100 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)	-	0.199" (5.05mm)
60R040XU PTC RESET FUSE 60V 400MA RADIAL Littelfuse Inc.	115	-	RFQ	Datasheet	Radial, Disc	POLY-FUSE®, 60R	Bulk	Active	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)
RGEF300 PTC RESET FUSE 16V 3A RADIAL Littelfuse Inc.	252	-	RFQ	Datasheet	Radial, Disc	PolySwitch®, RGEF	Bag	Active	Polymeric	16V	3 A	5.1 A	100 A	1 s	38 mOhms	97.5 mOhms	-	-40°C ~ 85°C	-	-	-	Through Hole	0.260" L x 0.098" W (6.60mm x 2.50mm)	0.433" (11.00mm)	-	0.199" (5.05mm)
RHEF070 PTC RESET FUSE 30V 700MA RADIAL Littelfuse Inc.	780	-	RFQ	Datasheet	Radial, Disc	PolySwitch®, RHEF	Bag	Active	Polymeric	30V	700 mA	1.4 A	40 A	3.2 s	300 mOhms	800 mOhms	-	-40°C ~ 125°C	-	-	-	Through Hole	0.272" L x 0.118" W (6.90mm x 3.00mm)	0.425" (10.80mm)	-	0.199" (5.05mm)
RHEF100 PTC RESET FUSE 30V 1A RADIAL Littelfuse Inc.	247	-	RFQ	Datasheet	Radial, Disc	PolySwitch®, RHEF	Bag	Active	Polymeric	30V	1 A	1.8 A	40 A	5.2 s	180 mOhms	430 mOhms	-	-40°C ~ 125°C	-	-	-	Through Hole	0.382" Dia x 0.118" T (9.70mm x 3.00mm)	0.535" (13.60mm)	-	0.199" (5.05mm)
RXEF110K PTC RESET FUSE 72V 1.1A RADIAL Littelfuse Inc.	166	-	RFQ	Datasheet	Radial, Disc	PolySwitch®, RXEF	Bag	Active	Polymeric	72V	1.1 A	2.2 A	40 A	8.2 s	150 mOhms	380 mOhms	-	-40°C ~ 85°C	-	-	-	Through Hole	0.504" Dia x 0.118" T (12.80mm x 3.00mm)	0.689" (17.50mm)	-	0.199" (5.05mm)
RGEF400 PTC RESET FUSE 16V 4A RADIAL Littelfuse Inc.	721	-	RFQ	Datasheet	Radial, Disc	PolySwitch®, RGEF	Bag	Active	Polymeric	16V	4 A	6.8 A	100 A	1.7 s	21 mOhms	60 mOhms	-	-40°C ~ 85°C	-	-	-	Through Hole	0.331" L x 0.098" W (8.40mm x 2.50mm)	0.504" (12.80mm)	-	0.199" (5.05mm)
MICROASMD010F-2 PTC RESET FUSE 30V 100MA 1210 Littelfuse Inc.	466	-	RFQ	Datasheet	1210 (3225 Metric), Concave	PolySwitch®, microASMD	Tape & Reel (TR)	Active	Polymeric	30V	100 mA	250 mA	10 A	1 s	2.1 Ohms	15 Ohms	-	-40°C ~ 85°C	Automotive	AEC-Q200	-	Surface Mount	0.127" L x 0.102" W (3.22mm x 2.58mm)	-	0.026" (0.67mm)	-
60R030XU PTC RESET FUSE 60V 300MA RADIAL Littelfuse Inc.	250	-	RFQ	Datasheet	Radial, Disc	POLY-FUSE®, 60R	Bulk	Active	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)	0.500" (12.70mm)	-	0.201" (5.10mm)
0ZRS0050FF1E PTC RESET FUSE 32V 500MA RADIAL Bel Fuse Inc.	754	-	RFQ	Datasheet	Radial, Disc	0ZRS	Bulk	Active	Ceramic	32V	500 mA	1 A	100 A	3 s	350 mOhms	1.1 Ohms	-	-40°C ~ 125°C	Automotive	AEC-Q200	-	Through Hole	0.291" Dia x 0.118" T (7.40mm x 3.00mm)	0.500" (12.70mm)	-	0.201" (5.10mm)
2920L035DR POLYSWITCH RESETTABLE PPTC Littelfuse Inc.	882	-	RFQ	Datasheet	2920 (7351 Metric), Concave	POLY-FUSE®, 2920L	Tape & Reel (TR)	Active	Polymeric	72V	350 mA	700 mA	10 A	5 s	500 mOhms	4 Ohms	-	-40°C ~ 85°C	-	-	-	Surface Mount	0.290" L x 0.202" W (7.36mm x 5.12mm)	-	0.049" (1.25mm)	-
RHEF200 PTC RESET FUSE 16V 2A RADIAL Littelfuse Inc.	886	-	RFQ	Datasheet	Radial, Disc	PolySwitch®, RHEF	Bag	Active	Polymeric	16V	2 A	3.8 A	100 A	4.3 s	45 mOhms	110 mOhms	-	-40°C ~ 125°C	-	-	-	Through Hole	0.370" Dia x 0.122" T (9.40mm x 3.10mm)	0.567" (14.40mm)	-	0.199" (5.05mm)
0ZRB0500FF1A PTC RESET FUSE 30V 5A RADIAL Bel Fuse Inc.	650	-	RFQ	Datasheet	Radial, Disc	0ZRB	Box	Active	Polymeric	30V	5 A	10 A	40 A	14.5 s	10 mOhms	50 mOhms	-	-40°C ~ 85°C	Automotive	AEC-Q200	-	Through Hole	0.551" L x 0.118" W (14.00mm x 3.00mm)	0.980" (24.90mm)	-	0.402" (10.20mm)
PTSLR12066V300 PTC RESET FUSE 6V 3A 1206 Eaton - Electronics Division	3,947	-	RFQ	Datasheet	1206 (3216 Metric), Concave	PTSLR1206	Tape & Reel (TR)	Active	Polymeric	6V	3 A	6 A	50 A	4 s	3 mOhms	26 mOhms	-	-40°C ~ 85°C	-	-	-	Surface Mount	0.128" L x 0.065" W (3.25mm x 1.65mm)	-	0.047" (1.20mm)	-
60R065XU PTC RESET FUSE 60V 650MA RADIAL Littelfuse Inc.	480	-	RFQ	Datasheet	Radial, Disc	POLY-FUSE®, 60R	Bulk	Active	Polymeric	60V	650 mA	1.3 A	40 A	5.3 s	310 mOhms	720 mOhms	-	-40°C ~ 85°C	-	-	-	Through Hole	0.370" Dia x 0.122" T (9.40mm x 3.10mm)	0.571" (14.50mm)	-	0.201" (5.10mm)
60R010XU PTC RESET FUSE 60V 100MA RADIAL Littelfuse Inc.	333	-	RFQ	Datasheet	Radial, Disc	POLY-FUSE®, 60R	Bulk	Active	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)

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