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-RX075/72-0-17 PTC RESETTABLE 0.75A 72V RADIAL Bourns Inc.	7,887	-	RFQ	Datasheet	Radial, Disc	Multifuse®, MF-RX/72	Bulk	Active	Polymeric	72V	750 mA	1.5 A	40 A	6.3 s	180 mOhms	600 mOhms	-	-40°C ~ 85°C	Automotive	AEC-Q200	-	Through Hole	0.409" Dia x 0.122" T (10.40mm x 3.10mm)	0.630" (16.00mm)	-	0.201" (5.10mm)
MF-RX030/72-2-17 PTC RESETTABLE 0.3A 72V RADIAL L Bourns Inc.	2,793	-	RFQ	Datasheet	Radial, Disc	Multifuse®, MF-RX/72	Tape & Reel (TR)	Active	Polymeric	72V	300 mA	600 mA	40 A	3 s	760 mOhms	2.1 Ohms	-	-40°C ~ 85°C	Automotive	AEC-Q200	-	Through Hole	0.291" Dia x 0.122" T (7.40mm x 3.10mm)	0.528" (13.40mm)	-	0.201" (5.10mm)
MF-RX025/72-AP-17 PTC RESETTABLE 0.25A 72V RADIAL Bourns Inc.	4,302	-	RFQ	Datasheet	Radial, Disc	Multifuse®, MF-RX/72	Tape & Box (TB)	Active	Polymeric	72V	250 mA	500 mA	40 A	2.5 s	1 Ohms	3 Ohms	-	-40°C ~ 85°C	Automotive	AEC-Q200	-	Through Hole	0.291" Dia x 0.122" T (7.40mm x 3.10mm)	0.500" (12.70mm)	-	0.201" (5.10mm)
MF-R065-2-17 PTC RESETTABLE 0.6A 60V RADIAL L Bourns Inc.	3,133	-	RFQ	Datasheet	Radial, Disc	Multifuse®, MF-R	Tape & Reel (TR)	Active	Polymeric	60V	650 mA	1.3 A	40 A	5.3 s	270 mOhms	720 mOhms	-	-40°C ~ 85°C	Automotive	AEC-Q200	-	Through Hole	0.382" Dia x 0.122" T (9.70mm x 3.10mm)	0.598" (15.20mm)	-	0.201" (5.10mm)
MF-R040-AP-17 PTC RESETTABLE 0.4A 60V RADIAL L Bourns Inc.	8,758	-	RFQ	Datasheet	Radial, Disc	Multifuse®, MF-R	Tape & Box (TB)	Active	Polymeric	60V	400 mA	800 mA	40 A	3.8 s	520 mOhms	1.29 Ohms	-	-40°C ~ 85°C	Automotive	AEC-Q200	-	Through Hole	0.291" Dia x 0.122" T (7.40mm x 3.10mm)	0.539" (13.70mm)	-	0.201" (5.10mm)
MF-RX030/72-AP-17 PTC RESETTABLE 0.3A 72V RADIAL L Bourns Inc.	8,392	-	RFQ	Datasheet	Radial, Disc	Multifuse®, MF-RX/72	Tape & Box (TB)	Active	Polymeric	72V	300 mA	600 mA	40 A	3 s	760 mOhms	2.1 Ohms	-	-40°C ~ 85°C	Automotive	AEC-Q200	-	Through Hole	0.291" Dia x 0.122" T (7.40mm x 3.10mm)	0.528" (13.40mm)	-	0.201" (5.10mm)
MF-RX020/72-2-17 PTC RESETTABLE 0.2A 72V RADIAL L Bourns Inc.	5,687	-	RFQ	Datasheet	Radial, Disc	Multifuse®, MF-RX/72	Tape & Reel (TR)	Active	Polymeric	72V	200 mA	400 mA	40 A	2.2 s	1.5 Ohms	4.4 Ohms	-	-40°C ~ 85°C	Automotive	AEC-Q200	-	Through Hole	0.291" Dia x 0.122" T (7.40mm x 3.10mm)	0.500" (12.70mm)	-	0.201" (5.10mm)
MF-R050-AP-17 PTC RESETTABLE 0.5A 60V RADIAL L Bourns Inc.	9,258	-	RFQ	Datasheet	Radial, Disc	Multifuse®, MF-R	Tape & Reel (TR)	Active	Polymeric	60V	500 mA	1 A	40 A	4 s	410 mOhms	1.17 Ohms	-	-40°C ~ 85°C	Automotive	AEC-Q200	-	Through Hole	0.311" Dia x 0.122" T (7.90mm x 3.10mm)	0.539" (13.70mm)	-	0.201" (5.10mm)
MF-R075-AP-17 PTC RESETTABLE 0.75A 60V RADIAL Bourns Inc.	3,231	-	RFQ	Datasheet	Radial, Disc	Multifuse®, MF-R	Tape & Box (TB)	Active	Polymeric	60V	750 mA	1.5 A	40 A	6.3 s	180 mOhms	600 mOhms	-	-40°C ~ 85°C	Automotive	AEC-Q200	-	Through Hole	0.409" Dia x 0.122" T (10.40mm x 3.10mm)	0.630" (16.00mm)	-	0.201" (5.10mm)
MF-R040-2-17 PTC RESETTABLE 0.4A 60V RADIAL L Bourns Inc.	2,380	-	RFQ	Datasheet	Radial, Disc	Multifuse®, MF-R	Tape & Reel (TR)	Active	Polymeric	60V	400 mA	800 mA	40 A	3.8 s	520 mOhms	1.29 Ohms	-	-40°C ~ 85°C	Automotive	AEC-Q200	-	Through Hole	0.291" Dia x 0.122" T (7.40mm x 3.10mm)	0.539" (13.70mm)	-	0.201" (5.10mm)
MF-RX050/72-0-17 PTC RESETTABLE 0.5A 72V RADIAL L Bourns Inc.	8,207	-	RFQ	Datasheet	Radial, Disc	Multifuse®, MF-RX/72	Bulk	Active	Polymeric	72V	500 mA	1 A	40 A	4 s	410 mOhms	1.17 Ohms	-	-40°C ~ 85°C	Automotive	AEC-Q200	-	Through Hole	0.311" Dia x 0.122" T (7.90mm x 3.10mm)	0.539" (13.70mm)	-	0.201" (5.10mm)
MF-R135-AP-17 PTC RESETTABLE 1.35A 30V RADIAL Bourns Inc.	7,896	-	RFQ	Datasheet	Radial, Disc	Multifuse®, MF-R	Tape & Box (TB)	Active	Polymeric	30V	1.35 A	2.7 A	40 A	7.3 s	65 mOhms	170 mOhms	-	-40°C ~ 85°C	Automotive	AEC-Q200	-	Through Hole	0.350" Dia x 0.118" T (8.90mm x 3.00mm)	0.744" (18.90mm)	-	0.201" (5.10mm)
MF-R135-2-17 PTC RESETTABLE 1.35A 30V RADIAL Bourns Inc.	4,860	-	RFQ	Datasheet	Radial, Disc	Multifuse®, MF-R	Tape & Reel (TR)	Active	Polymeric	30V	1.35 A	2.7 A	40 A	7.3 s	65 mOhms	170 mOhms	-	-40°C ~ 85°C	Automotive	AEC-Q200	-	Through Hole	0.350" Dia x 0.118" T (8.90mm x 3.00mm)	0.118" (3.00mm)	-	0.201" (5.10mm)
MF-R050-2-17 PTC RESETTABLE 0.5A 60V RADIAL L Bourns Inc.	6,613	-	RFQ	Datasheet	Radial, Disc	Multifuse®, MF-R	Tape & Reel (TR)	Active	Polymeric	60V	500 mA	1 A	40 A	4 s	410 mOhms	1.17 Ohms	-	-40°C ~ 85°C	Automotive	AEC-Q200	-	Through Hole	0.311" Dia x 0.122" T (7.90mm x 3.10mm)	0.539" (13.70mm)	-	0.201" (5.10mm)
MF-R075-2-17 PTC RESETTABLE 0.75A 60V RADIAL Bourns Inc.	8,483	-	RFQ	Datasheet	Radial, Disc	Multifuse®, MF-R	Tape & Reel (TR)	Active	Polymeric	60V	750 mA	1.5 A	40 A	6.3 s	180 mOhms	600 mOhms	-	-40°C ~ 85°C	Automotive	AEC-Q200	-	Through Hole	0.409" Dia x 0.122" T (10.40mm x 3.10mm)	0.630" (16.00mm)	-	0.201" (5.10mm)
MF-RX020/72-AP-17 PTC RESETTABLE 0.2A 72V RADIAL L Bourns Inc.	4,580	-	RFQ	Datasheet	Radial, Disc	Multifuse®, MF-RX/72	Tape & Box (TB)	Active	Polymeric	72V	200 mA	400 mA	40 A	2.2 s	1.5 Ohms	4.4 Ohms	-	-40°C ~ 85°C	Automotive	AEC-Q200	-	Through Hole	0.291" Dia x 0.122" T (7.40mm x 3.10mm)	0.500" (12.70mm)	-	0.201" (5.10mm)
MF-R110-2-17 PTC RESETTABLE 1.1A 30V RADIAL L Bourns Inc.	3,450	-	RFQ	Datasheet	Radial, Disc	Multifuse®, MF-R	Tape & Reel (TR)	Active	Polymeric	30V	1.1 A	2.2 A	40 A	6.6 s	100 mOhms	270 mOhms	-	-40°C ~ 85°C	Automotive	AEC-Q200	-	Through Hole	0.350" Dia x 0.118" T (8.90mm x 3.00mm)	0.551" (14.00mm)	-	0.201" (5.10mm)
MF-RX040/72-0-17 PTC RESETTABLE 0.4A 72V RADIAL L Bourns Inc.	9,510	-	RFQ	Datasheet	Radial, Disc	Multifuse®, MF-RX/72	Bulk	Active	Polymeric	72V	400 mA	800 mA	40 A	3.9 s	520 mOhms	1.29 Ohms	-	-40°C ~ 85°C	Automotive	AEC-Q200	-	Through Hole	0.291" Dia x 0.122" T (7.40mm x 3.10mm)	0.539" (13.70mm)	-	0.201" (5.10mm)
MF-R110-AP-17 PTC RESETTABLE 1.1A 30V RADIAL L Bourns Inc.	3,202	-	RFQ	Datasheet	Radial, Disc	Multifuse®, MF-R	Tape & Box (TB)	Active	Polymeric	30V	1.1 A	2.2 A	40 A	6.6 s	100 mOhms	270 mOhms	-	-40°C ~ 85°C	Automotive	AEC-Q200	-	Through Hole	0.350" Dia x 0.118" T (8.90mm x 3.00mm)	0.551" (14.00mm)	-	0.201" (5.10mm)
MF-R090-2-17 PTC RESETTABLE 0.9A 60V RADIAL L Bourns Inc.	9,480	-	RFQ	Datasheet	Radial, Disc	Multifuse®, MF-R	Tape & Reel (TR)	Active	Polymeric	60V	900 mA	1.8 A	40 A	7.2 s	140 mOhms	470 mOhms	-	-40°C ~ 85°C	Automotive	AEC-Q200	-	Through Hole	0.461" Dia x 0.122" T (11.70mm x 3.10mm)	0.657" (16.70mm)	-	0.201" (5.10mm)

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PTC Resettable Fuses FAQ

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