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
MF-R300-0-14 PTC RESETTABLE 3.0A 30V RADIAL L Bourns Inc.	3,235	-	RFQ	Datasheet	Radial, Disc	Multifuse®, MF-R	Bulk	Active	Polymeric	30V	3 A	6 A	40 A	10.8 s	20 mOhms	80 mOhms	-	-40°C ~ 85°C	Automotive	AEC-Q200	-	Through Hole	0.472" L x 0.118" W (12.00mm x 3.00mm)	0.720" (18.30mm)	-	0.201" (5.10mm)
MF-RHT050-2-17 PTC 0.5A 16V RADIAL LEADED HI-TE Bourns Inc.	8,553	-	RFQ	Datasheet	Radial, Disc	Multifuse®, MF-RHT	Tape & Reel (TR)	Active	Polymeric	30V	500 mA	920 mA	40 A	2.5 s	480 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)
MF-R250-2-14 PTC RESETTABLE 2.5A 30V RADIAL L Bourns Inc.	7,061	-	RFQ	Datasheet	Radial, Disc	Multifuse®, MF-R	Tape & Reel (TR)	Active	Polymeric	30V	2.5 A	5 A	40 A	10.3 s	25 mOhms	70 mOhms	-	-40°C ~ 85°C	Automotive	AEC-Q200	-	Through Hole	0.472" L x 0.118" W (12.00mm x 3.00mm)	0.720" (18.30mm)	-	0.201" (5.10mm)
MF-R250-AP-14 PTC RESETTABLE 2.5A 30V RADIAL L Bourns Inc.	7,647	-	RFQ	Datasheet	Radial, Disc	Multifuse®, MF-R	Tape & Box (TB)	Active	Polymeric	30V	2.5 A	5 A	40 A	10.3 s	25 mOhms	70 mOhms	-	-40°C ~ 85°C	Automotive	AEC-Q200	-	Through Hole	0.472" L x 0.118" W (12.00mm x 3.00mm)	0.720" (18.30mm)	-	0.201" (5.10mm)
MF-RHT070-AP-17 PTC 0.7A 16V RADIAL LEADED HI-TE Bourns Inc.	7,052	-	RFQ	Datasheet	Radial, Disc	Multifuse®, MF-RHT	Tape & Box (TB)	Active	Polymeric	30V	700 mA	1.4 A	40 A	4 s	300 mOhms	800 mOhms	-	-40°C ~ 125°C	Automotive	AEC-Q200	-	Through Hole	0.270" L x 0.118" W (6.86mm x 3.00mm)	0.425" (10.80mm)	-	0.201" (5.10mm)
MF-RHT050-AP-17 PTC 0.5A 16V RADIAL LEADED HI-TE Bourns Inc.	2,320	-	RFQ	Datasheet	Radial, Disc	Multifuse®, MF-RHT	Tape & Box (TB)	Active	Polymeric	30V	500 mA	920 mA	40 A	2.5 s	480 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)
15LR260U PTC RESET FUSE 15V 2.6A STRAP Littelfuse Inc.	4,444	-	RFQ	Datasheet	Strap	POLY-FUSE®, LR	Bulk	Obsolete	Polymeric	15V	2.6 A	5.8 A	100 A	5 s	20 mOhms	63 mOhms	-	-40°C ~ 85°C	-	-	-	User Defined	0.866" L x 0.205" W (22.00mm x 5.20mm)	-	0.039" (1.00mm)	-
PTGL05BD102N9N51A0 PTC RESET FUSE Murata Electronics	5,263	-	RFQ	Datasheet	-	*	Tape & Box (TB)	Obsolete	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
PTSLR12066V380 PTC RESET FUSE 6V 3.8A 1206 Eaton - Electronics Division	2,981	-	RFQ	Datasheet	1206 (3216 Metric), Concave	PTSLR1206	Tape & Reel (TR)	Active	Polymeric	6V	3.8 A	8 A	50 A	5 s	2 mOhms	14 mOhms	-	-40°C ~ 85°C	-	-	-	Surface Mount	0.128" L x 0.065" W (3.25mm x 1.65mm)	-	0.047" (1.20mm)	-
SMD1812P110TF/16A PTC RESET FUSE 16V 1.1A 1812 Littelfuse Inc.	5,117	-	RFQ	Datasheet	1812 (4532 Metric), Concave	POLY-FUSE®, SMD1812	Tape & Reel (TR)	Obsolete	Polymeric	16V	1.1 A	1.95 A	40 A	500 ms	60 mOhms	180 mOhms	-	-40°C ~ 85°C	-	-	-	Surface Mount	0.179" L x 0.128" W (4.55mm x 3.24mm)	-	0.039" (1.00mm)	-
PTSLR12106V380 PTC RESET FUSE 6V 3.8A 1210 Eaton - Electronics Division	6,644	-	RFQ	Datasheet	1210 (3225 Metric), Concave	PTSLR1210	Tape & Reel (TR)	Active	Polymeric	6V	3.8 A	8 A	50 A	2 s	3 mOhms	16 mOhms	-	-40°C ~ 85°C	-	-	-	Surface Mount	0.127" L x 0.101" W (3.22mm x 2.58mm)	-	0.047" (1.20mm)	-
PRG21BC2R2MS5RA PTC RESET FUSE Murata Electronics	7,867	-	RFQ	Datasheet	-	*	Tape & Reel (TR)	Active	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
PRG21BC6R8MS5RA PTC RESET FUSE Murata Electronics	9,404	-	RFQ	Datasheet	-	*	Tape & Reel (TR)	Active	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
PRG21AR220MS5RA PTC RESET FUSE Murata Electronics	5,420	-	RFQ	Datasheet	-	*	Tape & Reel (TR)	Active	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
PRG21AR100MS5RA PTC RESET FUSE Murata Electronics	4,887	-	RFQ	Datasheet	-	*	Tape & Reel (TR)	Active	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
PRG21AR150MS5RA PTC RESET FUSE Murata Electronics	6,176	-	RFQ	Datasheet	-	*	Tape & Reel (TR)	Active	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
PRG21AR8R2MS5RA PTC RESET FUSE Murata Electronics	6,220	-	RFQ	Datasheet	-	*	Tape & Reel (TR)	Active	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
PRG21BC3R3MS5RA PTC RESET FUSE Murata Electronics	2,574	-	RFQ	Datasheet	-	*	Tape & Reel (TR)	Active	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
RF5055-000 PICOASMDC110S-2 Littelfuse Inc.	8,209	-	RFQ	Datasheet	0805 (2012 Metric), Concave	PolySwitch® picoASMDC	Tape & Reel (TR)	Active	Polymeric	6V	1.1 A	2.2 A	40 A	200 ms	50 mOhms	170 mOhms	-	-40°C ~ 85°C	Automotive	AEC-Q200	-	Surface Mount	0.083" L x 0.055" W (2.10mm x 1.40mm)	-	0.047" (1.20mm)	-
RF5054-000 PICOASMDC075S-2 Littelfuse Inc.	7,322	-	RFQ	Datasheet	0805 (2012 Metric), Concave	PolySwitch® picoASMDC	Tape & Reel (TR)	Active	Polymeric	6V	750 mA	1.5 A	40 A	200 ms	100 mOhms	350 mOhms	-	-40°C ~ 85°C	Automotive	AEC-Q200	-	Surface Mount	0.083" L x 0.055" W (2.10mm x 1.40mm)	-	0.037" (0.93mm)	-

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