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
TRF250-120T-R2-B-0.5-2 PTC RESET FUSE 60V 120MA RADIAL Littelfuse Inc.	4,425	-	RFQ	Datasheet	Radial, Disc	PolySwitch®, TRF250	Tape & Reel (TR)	Active	Polymeric	60V (250V Int)	120 mA	240 mA	3 A	750 ms	8 Ohms	16 Ohms	-	-40°C ~ 85°C	-	-	-	Through Hole	0.256" L x 0.181" W (6.50mm x 4.60mm)	0.433" (11.00mm)	-	0.197" (5.00mm)
YQS5940PTH PTC RESET FUSE HEATERS +/-40% Amphenol Advanced Sensors (Thermometrics)	4,480	-	RFQ	Datasheet	-	YQ	Bulk	Active	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
YS6101 PTC RESET FUSE 75V RADIAL DISC Amphenol Advanced Sensors (Thermometrics)	7,123	-	RFQ	Datasheet	Radial, Disc	YS	Bulk	Active	Ceramic	75V	-	-	-	-	-	-	6 Ohms	-	-	-	-	Through Hole	0.315" Dia x 0.059" T (8.00mm x 1.50mm)	0.059" (1.50mm)	-	0.197" (5.00mm)
60R375XHSL PTC RESET FUSE 60V 3.75A RADIAL Littelfuse Inc.	4,175	-	RFQ	Datasheet	Radial, Disc	POLY-FUSE®, 60R	Bulk	Obsolete	Polymeric	60V	3.75 A	7.5 A	40 A	24 s	30 mOhms	80 mOhms	-	-40°C ~ 85°C	-	-	-	Through Hole	1.035" Dia x 0.122" T (26.30mm x 3.10mm)	1.224" (31.10mm)	-	0.402" (10.20mm)
CMF-RLC50-0 PTC RESET FUSE 230V 65MA RADIAL Bourns Inc.	5,506	-	RFQ	Datasheet	Radial, Disc	CMF-RLC	Bulk	Obsolete	Ceramic	230V (650V Int)	65 mA	150 mA	3 A	100 ms	-	-	50 Ohms	-	-	-	-	Through Hole	0.354" L x 0.177" W (9.00mm x 4.50mm)	0.378" (9.60mm)	-	0.200" (5.08mm)
CMF-RLC50-10-0 PTC RESET FUSE 230V 65MA RADIAL Bourns Inc.	5,006	-	RFQ	Datasheet	Radial, Disc	CMF-RLC	Bulk	Obsolete	Ceramic	230V (650V Int)	65 mA	150 mA	3 A	100 ms	-	-	50 Ohms	-	-	-	-	Through Hole	0.354" L x 0.177" W (9.00mm x 4.50mm)	0.378" (9.60mm)	-	0.200" (5.08mm)
CMF-RQ50-0 PTC RESET FUSE 230V 90MA 8DIP Bourns Inc.	6,512	-	RFQ	Datasheet	8-DIP (0.197", 5.00mm)	CMF-RQ	Bulk	Obsolete	Ceramic	230V (600V Int)	90 mA	190 mA	3 A	100 ms	-	-	50 Ohms	-	-	-	-	Through Hole	0.787" L x 0.354" W (20.00mm x 9.00mm)	0.398" (10.10mm)	-	0.197" (5.00mm)
CMF-RQ50-10-0 PTC RESET FUSE 230V 90MA 8DIP Bourns Inc.	7,543	-	RFQ	Datasheet	8-DIP (0.197", 5.00mm)	CMF-RQ	Bulk	Obsolete	Ceramic	230V (600V Int)	90 mA	190 mA	3 A	100 ms	-	-	50 Ohms	-	-	-	-	Through Hole	0.787" L x 0.354" W (20.00mm x 9.00mm)	0.398" (10.10mm)	-	0.197" (5.00mm)
MF-R015/600-A05-0 PTC RESET FUSE 250V 150MA RADIAL Bourns Inc.	8,179	-	RFQ	Datasheet	Radial, Box	Multifuse®, MF-R/600	Bulk	Obsolete	Polymeric	250V (600V Int)	150 mA	300 mA	3 A	5 s	7 Ohms	20 Ohms	-	-40°C ~ 85°C	-	-	-	Through Hole	0.531" L x 0.236" W (13.50mm x 6.00mm)	0.496" (12.60mm)	-	0.197" (5.00mm)
MF-R015/600-B-0 PTC RESET FUSE 250V 150MA RADIAL Bourns Inc.	8,267	-	RFQ	Datasheet	Radial, Box	Multifuse®, MF-R/600	Bulk	Obsolete	Polymeric	250V (600V Int)	150 mA	300 mA	3 A	5 s	9 Ohms	22 Ohms	-	-40°C ~ 85°C	-	-	-	Through Hole	0.531" L x 0.236" W (13.50mm x 6.00mm)	0.496" (12.60mm)	-	0.197" (5.00mm)
MF-R015/600-B05-0 PTC RESET FUSE 250V 150MA RADIAL Bourns Inc.	6,800	-	RFQ	Datasheet	Radial, Box	Multifuse®, MF-R/600	Bulk	Obsolete	Polymeric	250V (600V Int)	150 mA	300 mA	3 A	5 s	9 Ohms	22 Ohms	-	-40°C ~ 85°C	-	-	-	Through Hole	0.531" L x 0.236" W (13.50mm x 6.00mm)	0.496" (12.60mm)	-	0.197" (5.00mm)
MF-R015/600-F-0 PTC RESET FUSE 250V 150MA RADIAL Bourns Inc.	7,198	-	RFQ	Datasheet	Radial, Box	Multifuse®, MF-R/600	Bulk	Obsolete	Polymeric	250V (600V Int)	150 mA	300 mA	3 A	5 s	7 Ohms	22 Ohms	-	-40°C ~ 85°C	-	-	-	Through Hole	0.531" L x 0.236" W (13.50mm x 6.00mm)	0.496" (12.60mm)	-	0.197" (5.00mm)
MF-R017-0-99 PTC RESET FUSE 60V 170MA RADIAL Bourns Inc.	5,592	-	RFQ	Datasheet	Radial, Disc	Multifuse®, MF-R	Bulk	Obsolete	Polymeric	60V	170 mA	340 mA	40 A	3 s	2 Ohms	8 Ohms	-	-40°C ~ 85°C	-	-	-	Through Hole	0.291" Dia x 0.122" T (7.40mm x 3.10mm)	0.500" (12.70mm)	-	0.201" (5.10mm)
MF-R020-0-99 PTC RESET FUSE 60V 200MA RADIAL Bourns Inc.	4,366	-	RFQ	Datasheet	Radial, Disc	Multifuse®, MF-R	Bulk	Obsolete	Polymeric	60V	200 mA	400 mA	40 A	2.2 s	1.5 Ohms	4.4 Ohms	-	-40°C ~ 85°C	-	-	-	Through Hole	0.291" Dia x 0.122" T (7.40mm x 3.10mm)	0.500" (12.70mm)	-	0.201" (5.10mm)
MF-R025-0-99 PTC RESET FUSE 60V 250MA RADIAL Bourns Inc.	3,052	-	RFQ	Datasheet	Radial, Disc	Multifuse®, MF-R	Bulk	Obsolete	Polymeric	60V	250 mA	500 mA	40 A	2.5 s	1 Ohms	3 Ohms	-	-40°C ~ 85°C	-	-	-	Through Hole	0.291" Dia x 0.122" T (7.40mm x 3.10mm)	0.500" (12.70mm)	-	0.201" (5.10mm)
MF-R030-0-99 PTC RESET FUSE 60V 300MA RADIAL Bourns Inc.	8,166	-	RFQ	Datasheet	Radial, Disc	Multifuse®, MF-R	Bulk	Obsolete	Polymeric	60V	300 mA	600 mA	40 A	3 s	760 mOhms	2.1 Ohms	-	-40°C ~ 85°C	-	-	-	Through Hole	0.291" Dia x 0.122" T (7.40mm x 3.10mm)	0.528" (13.40mm)	-	0.201" (5.10mm)
MF-R040-0-99 PTC RESET FUSE 60V 400MA RADIAL Bourns Inc.	5,672	-	RFQ	Datasheet	Radial, Disc	Multifuse®, MF-R	Bulk	Obsolete	Polymeric	60V	400 mA	800 mA	40 A	3.8 s	520 mOhms	1.29 Ohms	-	-40°C ~ 85°C	-	-	-	Through Hole	0.291" Dia x 0.122" T (7.40mm x 3.10mm)	0.539" (13.70mm)	-	0.201" (5.10mm)
MF-R050-0-99 PTC RESET FUSE 60V 500MA RADIAL Bourns Inc.	9,863	-	RFQ	Datasheet	Radial, Disc	Multifuse®, MF-R	Bulk	Obsolete	Polymeric	60V	500 mA	1 A	40 A	4 s	410 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)
MF-R065-0-99 PTC RESET FUSE 60V 650MA RADIAL Bourns Inc.	6,298	-	RFQ	Datasheet	Radial, Disc	Multifuse®, MF-R	Bulk	Obsolete	Polymeric	60V	650 mA	1.3 A	40 A	5.3 s	270 mOhms	720 mOhms	-	-40°C ~ 85°C	-	-	-	Through Hole	0.382" Dia x 0.122" T (9.70mm x 3.10mm)	0.598" (15.20mm)	-	0.201" (5.10mm)
MF-R075/90-0 PTC RESET FUSE 90V 750MA RADIAL Bourns Inc.	7,901	-	RFQ	Datasheet	Radial, Disc	Multifuse®, MF-R/90	Bulk	Obsolete	Polymeric	90V	750 mA	1.5 A	10 A	60 s	370 mOhms	1.65 Ohms	-	-40°C ~ 85°C	-	-	-	Through Hole	0.409" Dia x 0.122" T (10.40mm x 3.10mm)	0.630" (16.00mm)	-	0.201" (5.10mm)

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