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
0ZRE0025FF1E PTC RESET FUSE 240V 250MA RADIAL Bel Fuse Inc.	14,608	0.54	RFQ	Datasheet	Radial, Disc	0ZRE	Box	Active	Polymeric	240V	250 mA	560 mA	6 A	18.5 s	1.3 Ohms	3.8 Ohms	-	-40°C ~ 85°C	Automotive	AEC-Q200	-	Through Hole	0.378" L x 0.150" W (9.60mm x 3.80mm)	0.685" (17.40mm)	-	0.201" (5.10mm)
1812L160/12DR PTC RESET FUSE 12V 1.6A 1812 Littelfuse Inc.	12,592	0.58	RFQ	Datasheet	1812 (4532 Metric), Concave	POLY-FUSE®, 1812L	Tape & Reel (TR)	Active	Polymeric	12V	1.6 A	2.8 A	100 A	1 s	30 mOhms	100 mOhms	-	-40°C ~ 85°C	-	-	-	Surface Mount	0.179" L x 0.128" W (4.55mm x 3.24mm)	-	0.049" (1.25mm)	-
PRG21BB150MB1RK PTC RESET FUSE 20V 59MA 0805 Murata Electronics	7,636	1.04	RFQ	Datasheet	0805 (2012 Metric)	POSISTOR®, PRG	Tape & Reel (TR)	Active	Ceramic	20V	59 mA	116 mA	1.6 A	-	-	-	15 Ohms	-20°C ~ 60°C	-	-	-	Surface Mount	0.079" L x 0.049" W (2.00mm x 1.25mm)	-	0.057" (1.45mm)	-
RXEF135 PTC RESET FUSE 72V 1.35A RADIAL Littelfuse Inc.	6,579	0.54	RFQ	Datasheet	Radial, Disc	PolySwitch®, RXEF	Bag	Active	Polymeric	72V	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 0.118" T (14.50mm x 3.00mm)	0.752" (19.10mm)	-	0.199" (5.05mm)
1812L150/16DR PTC RESET FUSE 16V 1.5A 1812 Littelfuse Inc.	6,436	0.58	RFQ	Datasheet	1812 (4532 Metric), Concave	POLY-FUSE®, 1812L	Tape & Reel (TR)	Active	Polymeric	16V	1.5 A	3 A	100 A	500 ms	40 mOhms	110 mOhms	-	-40°C ~ 85°C	-	-	-	Surface Mount	0.179" L x 0.128" W (4.55mm x 3.24mm)	-	0.049" (1.25mm)	-
30R110UU PTC RESET FUSE 30V 1.1A RADIAL Littelfuse Inc.	3,225	0.50	RFQ	Datasheet	Radial, Disc	POLY-FUSE®, 30R	Bulk	Active	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)
30R250UPR PTC RESET FUSE 30V 2.5A RADIAL Littelfuse Inc.	3,215	0.58	RFQ	Datasheet	Radial, Disc	POLY-FUSE®, 30R	Cut Tape (CT)	Active	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)	-	0.118" (3.00mm)
60R050XU PTC RESET FUSE 60V 500MA RADIAL Littelfuse Inc.	2,152	0.50	RFQ	Datasheet	Radial, Disc	POLY-FUSE®, 60R	Bulk	Active	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)
1812L110/16DR PTC RESET FUSE 16V 1.1A 1812 Littelfuse Inc.	1,988	0.58	RFQ	Datasheet	1812 (4532 Metric), Concave	POLY-FUSE®, 1812L	Tape & Reel (TR)	Active	Polymeric	16V	1.1 A	1.95 A	100 A	300 ms	60 mOhms	180 mOhms	-	-40°C ~ 85°C	-	-	-	Surface Mount	0.179" L x 0.128" W (4.55mm x 3.24mm)	-	0.049" (1.25mm)	-
1206L035/30WR PTC RESET FUSE 30V 350MA 1206 Littelfuse Inc.	1,322	0.57	RFQ	Datasheet	1206 (3216 Metric), Concave	POLY-FUSE®, 1206L	Tape & Reel (TR)	Active	Polymeric	30V	350 mA	750 mA	100 A	100 ms	300 mOhms	1.2 Ohms	-	-40°C ~ 85°C	Automotive	AEC-Q200	-	Surface Mount	0.126" L x 0.065" W (3.20mm x 1.65mm)	-	0.039" (1.00mm)	-
MF-R400-2 PTC RESET FUSE 30V 4A RADIAL Bourns Inc.	54,959	0.54	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-PSMF010/24X-2 PTC RESETTABLE 0.1A 24V SMD 0805 Bourns Inc.	10,128	0.84	RFQ	Datasheet	0805 (2012 Metric), Concave	Multifuse®, MF-PSMF	Tape & Reel (TR)	Active	Polymeric	24V	100 mA	300 mA	80 A	1.5 s	1 Ohms	7.5 Ohms	-	-40°C ~ 85°C	Automotive	AEC-Q200	-	Surface Mount	0.085" L x 0.053" W (2.15mm x 1.35mm)	-	0.033" (0.85mm)	-
MF-PSMF035X-2 PTC RESET FUSE 6V 350MA 0805 Bourns Inc.	9,328	0.53	RFQ	Datasheet	0805 (2012 Metric), Concave	Multifuse®, MF-PSMF	Tape & Reel (TR)	Active	Polymeric	6V	350 mA	750 mA	40 A	100 ms	250 mOhms	1.2 Ohms	-	-40°C ~ 85°C	-	-	-	Surface Mount	0.085" L x 0.053" W (2.15mm x 1.35mm)	-	0.033" (0.85mm)	-
MF-R300-2 PTC RESET FUSE 30V 3A RADIAL Bourns Inc.	9,247	0.59	RFQ	Datasheet	Radial, Disc	Multifuse®, MF-R	Tape & Reel (TR)	Active	Polymeric	30V	3 A	6 A	40 A	10.8 s	20 mOhms	80 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)
PRG21BC3R3MM1RA PTC RESET FUSE 20V 180MA 0805 Murata Electronics	8,252	0.95	RFQ	Datasheet	0805 (2012 Metric)	POSISTOR®, PRG	Tape & Reel (TR)	Active	Ceramic	20V	180 mA	400 mA	7.5 A	-	-	-	3.3 Ohms	-20°C ~ 85°C	-	-	-	Surface Mount	0.079" L x 0.049" W (2.00mm x 1.25mm)	-	0.043" (1.10mm)	-
0ZRM0050FF1E PTC RESET FUSE 120V 500MA RADIAL Bel Fuse Inc.	3,309	0.55	RFQ	Datasheet	Radial, Disc	0ZRM	Box	Active	Polymeric	120V	500 mA	1 A	3 A	6 s	500 mOhms	1.17 Ohms	-	-40°C ~ 85°C	Automotive	AEC-Q200	-	Through Hole	0.362" Dia x 0.150" T (9.20mm x 3.80mm)	0.587" (14.90mm)	-	0.201" (5.10mm)
B59407A0115A062 THERMISTOR PTC 470 OHM 25% 0402 EPCOS - TDK Electronics	6,147	0.32	RFQ	Datasheet	0402 (1005 Metric)	B59407	Tape & Reel (TR)	Active	Ceramic	32V	13 mA	32 mA	120 mA	-	265 Ohms	470 Ohms	-	-40°C ~ 125°C	Automotive	AEC-Q200	-	Surface Mount	0.039" L x 0.020" W (1.00mm x 0.50mm)	-	0.022" (0.55mm)	-
PFRA.250 PTC RESET FUSE 30V 2.5A RADIAL SCHURTER Inc.	2,870	0.60	RFQ	Datasheet	Radial, Disc	PFRA	Bulk	Active	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)
RXEF110-2 PTC RESET FUSE 72V 1.1A RADIAL Littelfuse Inc.	1,877	0.24	RFQ	Datasheet	Radial, Disc	PolySwitch®, RXEF	Tape & Reel (TR)	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)
NANOSMDC200F-2 PTC RESET FUSE 6V 2A 1206 Littelfuse Inc.	1,266	0.61	RFQ	Datasheet	1206 (3216 Metric), Concave	PolySwitch®, nanoSMD	Tape & Reel (TR)	Active	Polymeric	6V	2 A	4 A	100 A	1.5 s	20 mOhms	72 mOhms	-	-40°C ~ 85°C	-	-	-	Surface Mount	0.126" L x 0.063" W (3.20mm x 1.59mm)	-	0.043" (1.10mm)	-

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.