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
MF-R400-2-14 PTC RESET FUSE 30V 4A RADIAL Bourns Inc.	26,393	0.87	RFQ	Datasheet	Radial, Disc	Multifuse®, MF-R	Tape & Reel (TR)	Active	Polymeric	30V	4 A	8 A	40 A	12.7 s	10 mOhms	50 mOhms	-	-40°C ~ 85°C	-	-	-	Through Hole	0.567" L x 0.118" W (14.40mm x 3.00mm)	0.976" (24.80mm)	-	0.201" (5.10mm)
MF-RX185/72-2 PTC RESET FUSE 72V 1.85A RADIAL Bourns Inc.	14,479	0.78	RFQ	Datasheet	Radial, Disc	Multifuse®, MF-RX/72	Tape & Reel (TR)	Active	Polymeric	72V	1.85 A	3.7 A	40 A	12.6 s	80 mOhms	190 mOhms	-	-40°C ~ 85°C	-	-	-	Through Hole	0.701" L x 0.122" W (17.80mm x 3.10mm)	0.902" (22.90mm)	-	0.201" (5.10mm)
LVR040S PTC RESET FUSE 240V 400MA RADIAL Littelfuse Inc.	12,471	0.87	RFQ	Datasheet	Radial, Disc	PolySwitch®, LVR	Bulk	Active	Polymeric	240V (265V Int)	400 mA	900 mA	5.5 A	24 s	600 mOhms	1.9 Ohms	-	-20°C ~ 85°C	-	-	-	Through Hole	0.453" L x 0.150" W (11.50mm x 3.80mm)	0.768" (19.50mm)	-	0.200" (5.08mm)
1812L110/24DR PTC RESET FUSE 24V 1.1A 1812 Littelfuse Inc.	4,960	0.61	RFQ	Datasheet	1812 (4532 Metric), Concave	POLY-FUSE®, 1812L	Tape & Reel (TR)	Active	Polymeric	24V	1.1 A	1.95 A	20 A	500 ms	60 mOhms	200 mOhms	-	-40°C ~ 85°C	-	-	-	Surface Mount	0.179" L x 0.128" W (4.55mm x 3.24mm)	-	0.042" (1.07mm)	-
NANOASMDCH016F-2 PTC RESET FUSE 30V 160MA 1206 Littelfuse Inc.	3,485	0.67	RFQ	Datasheet	1206 (3216 Metric), Concave	PolySwitch®, ASMD	Tape & Reel (TR)	Active	Polymeric	30V	160 mA	800 mA	20 A	100 ms	700 mOhms	6 Ohms	-	-40°C ~ 125°C	Automotive	AEC-Q200	-	Surface Mount	0.126" L x 0.062" W (3.20mm x 1.58mm)	-	0.045" (1.14mm)	-
1206L200PR PTC RESET FUSE 6V 2A 1206 Littelfuse Inc.	1,837	0.61	RFQ	Datasheet	1206 (3216 Metric), Concave	POLY-FUSE®, 1206L	Tape & Reel (TR)	Active	Polymeric	6V	2 A	3.5 A	100 A	1.5 s	18 mOhms	80 mOhms	-	-40°C ~ 85°C	-	-	-	Surface Mount	0.128" L x 0.065" W (3.25mm x 1.65mm)	-	0.063" (1.60mm)	-
30R090UPR PTC RESET FUSE 30V 900MA RADIAL Littelfuse Inc.	5,863	0.53	RFQ	Datasheet	Radial, Disc	POLY-FUSE®, 30R	Cut Tape (CT)	Active	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)
0ZRE0055FF1A PTC RESET FUSE 240V 550MA RADIAL Bel Fuse Inc.	4,990	0.75	RFQ	Datasheet	Radial, Disc	0ZRE	Box	Active	Polymeric	240V	550 mA	1.25 A	7 A	26 s	450 mOhms	1.45 Ohms	-	-40°C ~ 85°C	Automotive	AEC-Q200	-	Through Hole	0.551" L x 0.161" W (14.00mm x 4.10mm)	0.854" (21.70mm)	-	0.201" (5.10mm)
LVR005NK PTC RESET FUSE 240V 50MA RADIAL Littelfuse Inc.	2,829	0.68	RFQ	Datasheet	Radial, Disc	PolySwitch®, LVR	Bag	Active	Polymeric	240V (265V Int)	50 mA	120 mA	1 A	10 s	18.5 Ohms	65 Ohms	-	-20°C ~ 85°C	-	-	-	Through Hole	0.272" Dia x 0.181" T (6.90mm x 4.60mm)	0.476" (12.10mm)	-	0.200" (5.08mm)
MF-R500 PTC RESET FUSE 30V 5A RADIAL Bourns Inc.	1,595	0.56	RFQ	Datasheet	Radial, Disc	Multifuse®, MF-R	Bulk	Active	Polymeric	30V	5 A	10 A	40 A	14.5 s	10 mOhms	50 mOhms	-	-40°C ~ 85°C	-	-	-	Through Hole	0.685" L x 0.118" W (17.40mm x 3.00mm)	0.980" (24.90mm)	-	0.402" (10.20mm)
0ZRC0250FF1A PTC RESET FUSE 90V 2.5A RADIAL Bel Fuse Inc.	1,254	0.58	RFQ	Datasheet	Radial, Disc	0ZRC	Box	Active	Polymeric	90V	2.5 A	5 A	40 A	15.6 s	50 mOhms	130 mOhms	-	-40°C ~ 85°C	Automotive	AEC-Q200	-	Through Hole	0.839" L x 0.122" W (21.30mm x 3.10mm)	1.039" (26.40mm)	-	0.402" (10.20mm)
SMD150F-2 PTC RESET FUSE 15V 1.5A 2SMD Littelfuse Inc.	103,075	0.59	RFQ	Datasheet	2-SMD	PolySwitch®, SMD	Tape & Reel (TR)	Active	Polymeric	15V	1.5 A	3 A	40 A	5 s	60 mOhms	250 mOhms	-	-40°C ~ 85°C	-	-	-	Surface Mount	0.343" L x 0.250" W (8.70mm x 6.36mm)	-	0.118" (3.00mm)	-
0ZCF0260AF2C PTC RESET FUSE 24V 2.6A 2920 Bel Fuse Inc.	39,271	0.55	RFQ	Datasheet	2920 (7351 Metric), Concave	0ZCF	Tape & Reel (TR)	Active	Polymeric	24V	2.6 A	5.2 A	100 A	20 s	20 mOhms	75 mOhms	-	-40°C ~ 85°C	-	-	-	Surface Mount	0.290" L x 0.202" W (7.36mm x 5.12mm)	-	0.067" (1.70mm)	-
1206L005/60WR-A PTC RESET FUSE 60V 50MA 1206 Littelfuse Inc.	18,124	0.70	RFQ	Datasheet	1206 (3216 Metric), Concave	POLY-FUSE®, 1206L	Tape & Reel (TR)	Active	Polymeric	60V	50 mA	150 mA	10 A	1.5 s	3.6 Ohms	20 Ohms	-	-40°C ~ 85°C	Automotive	AEC-Q200	-	Surface Mount	0.126" L x 0.065" W (3.20mm x 1.65mm)	-	0.049" (1.25mm)	-
RGEF300-2 PTC RESET FUSE 16V 3A RADIAL Littelfuse Inc.	2,387	0.64	RFQ	Datasheet	Radial, Disc	PolySwitch®, RGEF	Tape & Reel (TR)	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)
1812L075/24DR PTC RESET FUSE 24V 750MA 1812 Littelfuse Inc.	10,845	0.64	RFQ	Datasheet	1812 (4532 Metric), Concave	POLY-FUSE®, 1812L	Tape & Reel (TR)	Active	Polymeric	24V	750 mA	1.5 A	100 A	200 ms	110 mOhms	290 mOhms	-	-40°C ~ 85°C	Automotive	AEC-Q200	-	Surface Mount	0.179" L x 0.128" W (4.55mm x 3.24mm)	-	0.061" (1.55mm)	-
AHEF300 PTC RESET FUSE 32V 3A RADIAL Littelfuse Inc.	9,394	0.91	RFQ	Datasheet	Radial, Disc	PolySwitch®, AHEF	Bag	Active	Polymeric	32V	3 A	6 A	100 A	5 s	35 mOhms	110 mOhms	-	-40°C ~ 125°C	Automotive	AEC-Q200	-	Through Hole	0.402" L x 0.150" W (10.20mm x 3.80mm)	0.610" (15.50mm)	-	0.200" (5.08mm)
MF-R500-2 PTC RESET FUSE 30V 5A RADIAL Bourns Inc.	8,926	0.59	RFQ	Datasheet	Radial, Disc	Multifuse®, MF-R	Tape & Reel (TR)	Active	Polymeric	30V	5 A	10 A	40 A	14.5 s	10 mOhms	50 mOhms	-	-40°C ~ 85°C	-	-	-	Through Hole	0.685" L x 0.118" W (17.40mm x 3.00mm)	0.980" (24.90mm)	-	0.402" (10.20mm)
SMD030F-2018-2 PTC RESET FUSE 60V 300MA 2SMD Littelfuse Inc.	8,914	0.64	RFQ	Datasheet	2-SMD	PolySwitch®, SMD	Tape & Reel (TR)	Active	Polymeric	60V	300 mA	800 mA	20 A	1.5 s	500 mOhms	2.3 Ohms	-	-40°C ~ 85°C	-	-	-	Surface Mount	0.200" L x 0.180" W (5.08mm x 4.58mm)	-	0.070" (1.78mm)	-
RGEF800 PTC RESET FUSE 16V 8A RADIAL Littelfuse Inc.	3,927	0.91	RFQ	Datasheet	Radial, Disc	PolySwitch®, RGEF	Bag	Active	Polymeric	16V	8 A	13.6 A	100 A	5 s	5.6 mOhms	17.5 mOhms	-	-40°C ~ 85°C	-	-	-	Through Hole	0.480" L x 0.098" W (12.20mm x 2.50mm)	0.823" (20.90mm)	-	0.199" (5.05mm)

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.