Resettable Fuses - PPTC – Mouser Ireland

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PTC Fuses for AC/DC Power Supplies

A Positive Thermal Coefficient fuse, or PTC thermistor, is a thermally sensitive semiconductor resistor that increases in resistance as temperature increases to limit current to a load. When the voltage input for a power supply is too far above or below what is specified, the excess current can damage components. Besides shutting down the power supply altogether, one can effectively limit the current by using the predictable resistive response of a PTC.

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (EUR) Filter the results in the table by unit price based on your quantity.	Qty.	Series	Mounting Style	Termination Style	Hold Current	Maximum Voltage	Trip Current	Current Rating - Max	Resistance	Package/Case	Minimum Operating Temperature	Maximum Operating Temperature	Lead Spacing	Packaging
Resettable Fuses - PPTC RGEF1200 RGEF1200 Littelfuse 1: €0.903 979In Stock	Mfr. Part No. RGEF1200 Mouser Part No 650-RGEF1200	Littelfuse	Resettable Fuses - PPTC RGEF1200 Learn More about Littelfuse radial leaded pptcs	Datasheet	979In Stock	€0.903 €0.832 €0.691 €0.638 View €0.573 €0.528 €0.487 €0.464	Min.: 1 Mult.: 1	RGEF	PCB Mount	Radial	12 A	16 VDC	20.4 A	100 A	8.6 mOhms		- 40 C	+ 85 C	10.9 mm	Bulk
Resettable Fuses - PPTC RGEF700 RGEF700 Littelfuse 1: €0.602 1,372In Stock 2,500Expected 07/01/2027	Mfr. Part No. RGEF700 Mouser Part No 650-RGEF700	Littelfuse	Resettable Fuses - PPTC RGEF700 Learn More about Littelfuse radial leaded pptcs	Datasheet	1,372In Stock 2,500Expected 07/01/2027	€0.602 €0.55 €0.457 €0.421 View €0.378 €0.36	Min.: 1 Mult.: 1	RGEF	PCB Mount	Radial	7 A	16 VDC	11.9 A	100 A	20 mOhms		- 40 C	+ 85 C	5.8 mm	Bulk
Resettable Fuses - PPTC 30V 900MA 100A RUEF RUEF090-AP Littelfuse 1: €0.404 1,264In Stock	Mfr. Part No. RUEF090-AP Mouser Part No 650-RUEF090-AP	Littelfuse	Resettable Fuses - PPTC 30V 900MA 100A RUEF Learn More about Littelfuse radial leaded pptcs	Datasheet	1,264In Stock	Cut Tape €0.404 €0.366 €0.304 €0.281 Reel €0.215 View €0.253 €0.217 €0.214	Min.: 1 Mult.: 1 : 2,000	RUEF	PCB Mount	Radial	900 mA	30 VDC	1.8 A	100 A	220 mOhms		- 40 C	+ 85 C	5.8 mm	Reel, Cut Tape
Resettable Fuses - PPTC 3A 30V 100A Imax RUEF300-AP Littelfuse 1: €0.55 2,075In Stock	Mfr. Part No. RUEF300-AP Mouser Part No 650-RUEF300-AP	Littelfuse	Resettable Fuses - PPTC 3A 30V 100A Imax Learn More about Littelfuse radial leaded pptcs	Datasheet	2,075In Stock	€0.55 €0.507 €0.476 €0.388 Reel €0.254 View €0.349 €0.322 €0.242	Min.: 1 Mult.: 1 : 1,000	RUEF	PCB Mount	Radial	3 A	30 VDC	6 A	100 A	80 mOhms		- 40 C	+ 85 C	5.8 mm	Ammo Pack
Resettable Fuses - PPTC 3A 30V 100A Imax RUEF300K-2 Littelfuse 1: €0.55 1,138In Stock 5,000Expected 18/01/2027	Mfr. Part No. RUEF300K-2 Mouser Part No 650-RUEF300K-2	Littelfuse	Resettable Fuses - PPTC 3A 30V 100A Imax Learn More about Littelfuse radial leaded pptcs	Datasheet	1,138In Stock 5,000Expected 18/01/2027	Cut Tape €0.55 €0.507 €0.421 €0.388 View Reel €0.242 €0.349 €0.322 €0.297 €0.242	Min.: 1 Mult.: 1 : 2,500	RUEF	PCB Mount	Radial	3 A	30 VDC	6 A	100 A	80 mOhms		- 40 C	+ 85 C	5.8 mm	Reel, Cut Tape
Resettable Fuses - PPTC Radial Lead .3A 72V 40A Imax RXEF030-2 Littelfuse 1: €0.447 1,463In Stock 15,000Expected 18/01/2027	Mfr. Part No. RXEF030-2 Mouser Part No 650-RXEF030-2	Littelfuse	Resettable Fuses - PPTC Radial Lead .3A 72V 40A Imax Learn More about Littelfuse radial leaded pptcs	Datasheet	1,463In Stock 15,000Expected 18/01/2027	Cut Tape €0.447 €0.397 €0.338 €0.312 View Reel €0.19 €0.28 €0.259 €0.223 €0.19	Min.: 1 Mult.: 1 : 3,000	RXEF	PCB Mount	Radial	300 mA	72 VDC	600 mA	40 A	2.1 Ohms		- 40 C	+ 85 C	5.8 mm	Reel, Cut Tape
Resettable Fuses - PPTC Radial Lead .75A 72V 40A Imax RXEF075S Littelfuse 1: €0.421 1,916In Stock	Mfr. Part No. RXEF075S Mouser Part No 650-RXEF075S	Littelfuse	Resettable Fuses - PPTC Radial Lead .75A 72V 40A Imax Learn More about Littelfuse radial leaded pptcs	Datasheet	1,916In Stock	€0.421 €0.376 €0.33 €0.306 View €0.273 €0.252 €0.227 €0.214	Min.: 1 Mult.: 1	RXEF	PCB Mount	Radial	750 mA	72 VDC	1.5 A	40 A	600 mOhms		- 40 C	+ 85 C	5.8 mm	Bulk
Resettable Fuses - PPTC Polyswitch 0.26A Restive Range -2 TS250-130F-RA-2 Littelfuse 1: €1.17 116In Stock	Mfr. Part No. TS250-130F-RA-2 Mouser Part No 650-TS250-130F-RA-2	Littelfuse	Resettable Fuses - PPTC Polyswitch 0.26A Restive Range -2 Learn More about Littelfuse telecom ptcs	Datasheet	116In Stock	Cut Tape €1.17 €1.08 €0.894 €0.825 View Reel €0.553 €0.741 €0.684 €0.553 MouseReel Available	Min.: 1 Mult.: 1 : 1,500	TS250	PCB Mount	SMD/SMT	130 mA	60 VDC	260 mA	3 A	15 Ohms		- 40 C	+ 85 C		Reel, Cut Tape, MouseReel
Resettable Fuses - PPTC 250V .250A-HD 3A MAX (R) TSM600-250F-RA-2 Littelfuse 1: €7.20 105In Stock	Mfr. Part No. TSM600-250F-RA-2 Mouser Part No 650-TSM600-250F-RA-2	Littelfuse	Resettable Fuses - PPTC 250V .250A-HD 3A MAX (R) Learn More about Littelfuse telecom ptcs	Datasheet	105In Stock	Cut Tape €7.20 €6.09 €4.66 €4.29 €3.40 Reel €3.40 MouseReel Available	Min.: 1 Mult.: 1 : 200	TSM600	PCB Mount	SMD/SMT	250 mA	250 VDC	860 mA	3 A	5 Ohms		- 40 C	+ 85 C		Reel, Cut Tape, MouseReel
Resettable Fuses - PPTC 30V 3.5A-HD 100A MAX MF-S350 Bourns 1: €0.55 216In Stock 14,000Expected 12/01/2027	Mfr. Part No. MF-S350 Mouser Part No 652-MFS350	Bourns	Resettable Fuses - PPTC 30V 3.5A-HD 100A MAX Learn More about Bourns multifuse	Datasheet	216In Stock 14,000Expected 12/01/2027	€0.55 €0.507 €0.422 €0.381 View €0.307 €0.29 €0.272 €0.269 €0.246	Min.: 1 Mult.: 1	MF-S	Strap Mount	Axial	3.5 A	30 VDC	6.3 A	100 A	31 mOhms		- 40 C	+ 85 C		Bulk
Resettable Fuses - PPTC .50A 24V 100A Imax MINISMDC050F-2 Littelfuse 1: €0.378 83,653Expected 30/11/2026	Mfr. Part No. MINISMDC050F-2 Mouser Part No 650-MINISMDC050F-2	Littelfuse	Resettable Fuses - PPTC .50A 24V 100A Imax Learn More about Littelfuse polyswitch smd ptcs	Datasheet	83,653Expected 30/11/2026	Cut Tape €0.378 €0.336 €0.286 €0.26 Reel €0.169 View €0.236 €0.201 €0.158 MouseReel Available	Min.: 1 Mult.: 1 : 2,000	miniSMD	SMD/SMT	SMD/SMT	500 mA	24 VDC	1 A	100 A	1 Ohms	1812 (4532 metric)	- 40 C	+ 85 C		Reel, Cut Tape, MouseReel
Resettable Fuses - PPTC 15V 2016 1.50A SURF MOUNT 2016L150DR Littelfuse 1: €0.705 6,000On Order	Mfr. Part No. 2016L150DR Mouser Part No 576-2016L150DR	Littelfuse	Resettable Fuses - PPTC 15V 2016 1.50A SURF MOUNT Learn More about Littelfuse polyswitch smd ptcs	Datasheet	6,000On Order On Order Ship Dates Mfr. No: 2016L150DR Stock: 0 On Order: 1,500 Expected 22/12/2026 4,500 Expected 29/01/2027 Factory Lead Time: 13 Weeks	Cut Tape €0.705 €0.637 €0.536 €0.495 View Reel €0.316 €0.445 €0.41 €0.316 MouseReel Available	Min.: 1 Mult.: 1 : 1,500	2016L	SMD/SMT	SMD/SMT	1.5 A	15 VDC	3 A	40 A	180 mOhms	2016 (5041 metric)	- 40 C	+ 85 C		Reel, Cut Tape, MouseReel
Resettable Fuses - PPTC 24V 2920 2A POLYFUSE 2920L200/24DR Littelfuse 1: €0.774 17,925Expected 24/12/2026	Mfr. Part No. 2920L200/24DR Mouser Part No 576-2920L200/24DR	Littelfuse	Resettable Fuses - PPTC 24V 2920 2A POLYFUSE Learn More about Littelfuse 2920l polyswitch resettable fuses	Datasheet	17,925Expected 24/12/2026	Cut Tape €0.774 €0.715 €0.593 €0.548 View Reel €0.406 €0.492 €0.454 €0.406 MouseReel Available	Min.: 1 Mult.: 1 : 1,500	2920L	SMD/SMT	SMD/SMT	2 A	24 VDC	4 A	40 A	125 mOhms	2920 (7450 metric)	- 40 C	+ 85 C		Reel, Cut Tape, MouseReel
Resettable Fuses - PPTC 30V 40A 1.75Ohms MINISMDC030F-2 Littelfuse 1: €0.456 41,995On Order	Mfr. Part No. MINISMDC030F-2 Mouser Part No 650-MINISMDC030F-2	Littelfuse	Resettable Fuses - PPTC 30V 40A 1.75Ohms Learn More about Littelfuse polyswitch smd ptcs	Datasheet	41,995On Order On Order Ship Dates Mfr. No: MINISMDC030F-2 Stock: 0 On Order: 17,995 Expected 12/11/2026 24,000 Expected 26/01/2027 Factory Lead Time: 13 Weeks	Cut Tape €0.456 €0.412 €0.347 €0.31 Reel €0.195 View €0.278 €0.244 €0.185 MouseReel Available	Min.: 1 Mult.: 1 : 2,000	miniSMD	SMD/SMT	SMD/SMT	300 mA	30 VDC	600 mA	40 A	1.75 Ohms	1812 (4532 metric)	- 40 C	+ 85 C		Reel, Cut Tape, MouseReel
Resettable Fuses - PPTC 1.1A 30V 100A Imax RUEF110 Littelfuse 1: €0.404 30,251On Order	Mfr. Part No. RUEF110 Mouser Part No 650-RUEF110	Littelfuse	Resettable Fuses - PPTC 1.1A 30V 100A Imax Learn More about Littelfuse radial leaded pptcs	Datasheet	30,251On Order On Order Ship Dates Mfr. No: RUEF110 Stock: 0 On Order: 17,751 Expected 01/02/2027 12,500 Expected 23/02/2027 Factory Lead Time: 17 Weeks	€0.404 €0.363 €0.304 €0.255 View €0.239 €0.221 €0.207 €0.201 €0.188	Min.: 1 Mult.: 1	RUEF	PCB Mount	Radial	1.1 A	30 VDC	2.2 A	100 A	170 mOhms		- 40 C	+ 85 C	5.8 mm	Bulk
Resettable Fuses - PPTC 60V 40A 1.40W Radial-leaded Device RKEF075 Littelfuse 1: €0.413 3,817On Order	Mfr. Part No. RKEF075 Mouser Part No 650-RKEF075	Littelfuse	Resettable Fuses - PPTC 60V 40A 1.40W Radial-leaded Device Learn More about Littelfuse radial leaded pptcs	Datasheet	3,817On Order On Order Ship Dates Mfr. No: RKEF075 Stock: 0 On Order: 317 Expected 17/11/2026 3,500 Expected 30/12/2026 Factory Lead Time: 17 Weeks	€0.413 €0.374 €0.31 €0.287 View €0.258 €0.237 €0.218 €0.206	Min.: 1 Mult.: 1	RKEF	PCB Mount	Radial	750 mA	60 VDC	1.5 A	40 A	390 mOhms		- 40 C	+ 85 C	5.84 mm	Bulk
Resettable Fuses - PPTC Radial Lead 2.5A 72V 40A Imax RXEF250-2 Littelfuse 1: €0.877 2,968On Order	Mfr. Part No. RXEF250-2 Mouser Part No 650-RXEF250-2	Littelfuse	Resettable Fuses - PPTC Radial Lead 2.5A 72V 40A Imax Learn More about Littelfuse radial leaded pptcs	Datasheet	2,968On Order On Order Ship Dates Mfr. No: RXEF250-2 Stock: 0 On Order: 968 Expected 19/11/2026 2,000 Expected 28/01/2027 Factory Lead Time: 17 Weeks	Cut Tape €0.877 €0.805 €0.668 €0.617 View Reel €0.411 €0.555 €0.511 €0.411	Min.: 1 Mult.: 1 : 1,000	RXEF	PCB Mount	Radial	2.5 A	72 VDC	5 A	40 A	130 mOhms		- 40 C	+ 85 C	10.9 mm	Reel, Cut Tape
Resettable Fuses - PPTC PTC RESETTABLE 3.0A 72V RADIAL LEADED MF-RX300/72-0-14 Bourns 6,000: €0.308 Non-Stocked Lead-Time 4 Weeks	Mfr. Part No. MF-RX300/72-0-14 Mouser Part No 652-MF-RX300/72-0-14	Bourns	Resettable Fuses - PPTC PTC RESETTABLE 3.0A 72V RADIAL LEADED Learn More about Bourns multifuse	Datasheet	Non-Stocked Lead-Time 4 Weeks	€0.308	Min.: 6,000 Mult.: 3,000	MF-RX/72	PCB Mount	Radial	3 A	72 VDC	6 A	40 A	60 mOhms		- 40 C	+ 85 C	10.2 mm	Bulk
Resettable Fuses - PPTC .25A 72V 40A Imax RXEF025-AP Littelfuse 1: €0.456 Non-Stocked Lead-Time 17 Weeks	Mfr. Part No. RXEF025-AP Mouser Part No 650-RXEF025-AP	Littelfuse	Resettable Fuses - PPTC .25A 72V 40A Imax Learn More about Littelfuse radial leaded pptcs	Datasheet	Non-Stocked Lead-Time 17 Weeks	Cut Tape €0.456 €0.414 €0.345 €0.316 View Reel €0.184 €0.285 €0.246 €0.184	Min.: 1 Mult.: 1 : 2,000	RXEF	PCB Mount	Radial	250 mA	72 VDC	500 mA	40 A	3 Ohms		- 40 C	+ 85 C	5.8 mm	Reel, Cut Tape
Resettable Fuses - PPTC 72V 3.75A-HD 40A RXEF RXEF375-1 Littelfuse 1: €1.31 Non-Stocked Lead-Time 17 Weeks	Mfr. Part No. RXEF375-1 Mouser Part No 650-RXEF375-1	Littelfuse	Resettable Fuses - PPTC 72V 3.75A-HD 40A RXEF Learn More about Littelfuse radial leaded pptcs	Datasheet	Non-Stocked Lead-Time 17 Weeks	€1.31 €1.14 €0.877 €0.808 View €0.725 €0.668 €0.616	Min.: 1 Mult.: 1	RXEF	PCB Mount	Radial	3.75 A	72 VDC	7.5 A	40 A	80 mOhms		- 40 C	+ 85 C	10.9 mm	Bulk
Resettable Fuses - PPTC 250V .12A-HD 3A MAX TRF250-120T-R1-B-0.5 Littelfuse 1: €0.688 Non-Stocked Lead-Time 17 Weeks	Mfr. Part No. TRF250-120T-R1-B-0.5 Mouser Part No 650-TRF250120TR1B0.5	Littelfuse	Resettable Fuses - PPTC 250V .12A-HD 3A MAX Learn More about Littelfuse telecom ptcs	Datasheet	Non-Stocked Lead-Time 17 Weeks	€0.688 €0.632 €0.525 €0.484 View €0.435 €0.401 €0.369	Min.: 1 Mult.: 1	TRF250	PCB Mount	Radial	120 mA	60 VDC	240 mA	3 A	16 Ohms		- 40 C	+ 85 C	5 mm	Bulk
Resettable Fuses - PPTC 0.90A 60V 0.14ohm Short Lead Length MF-R090-0-003 Bourns 1: €0.757 Non-Stocked	Mfr. Part No. MF-R090-0-003 Mouser Part No 652-MF-R090-0-003	Bourns	Resettable Fuses - PPTC 0.90A 60V 0.14ohm Short Lead Length Learn More about Bourns multifuse	Datasheet	Non-Stocked	€0.757 €0.602 €0.507 €0.44 View €0.396 €0.364 €0.335 €0.31 €0.271	Min.: 1 Mult.: 1	MF-R/90	PCB Mount	Radial	900 mA	60 VDC	1.8 A	40 A	310 mOhms		- 40 C	+ 85 C	5.1 mm	Bulk