PTC Resettable Fuses

Explore PTC Resettable Fuses parts from multiple manufacturers, with model information, availability, datasheets and technical specifications for engineering and purchasing.

For parts that are not shown in the list, send the manufacturer part number, quantity or BOM to JIEXIN Electronics. Our team can assist with availability checks and quotation support.

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	0.45	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	0.56	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	0.75	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	0.59	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	0.52	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	0.49	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	0.60	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	0.63	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	0.63	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	0.52	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	0.64	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	0.57	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	0.45	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	0.81	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	0.00	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	0.68	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	0.57	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	0.52	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	0.51	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	0.46	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)

FAQ

Frequently Asked Questions

What are PTC Resettable Fuses components used for?

PTC Resettable Fuses components are used in a wide range of electronic equipment and systems. Their exact function depends on the device, circuit design and technical requirements of the application.

How do I choose the right PTC Resettable Fuses part?

Compare the manufacturer part number, key specifications, package type, operating conditions, availability and datasheet information. For replacement projects, always verify the critical electrical and mechanical parameters before selecting an alternative.

Can JIEXIN Electronics help source obsolete or hard-to-find PTC Resettable Fuses parts?

Yes. Send us the required manufacturer part number, quantity or BOM. Our sourcing team can help check stock availability, lead time, alternative sourcing options and quotation details.

How can I request pricing and availability?

Submit the part number, manufacturer and required quantity through our RFQ form. JIEXIN Electronics will review your request and provide available stock, pricing and sourcing information.