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-USHT125KX-2 PTC RESET FUSE 12V 1.25A 1210 Bourns Inc.	5,952	-	RFQ	Datasheet	1210 (3225 Metric), Concave	Multifuse®, MF-USHT	Tape & Reel (TR)	Obsolete	Polymeric	12V	1.25 A	3.75 A	40 A	5 s	30 mOhms	300 mOhms	-	-40°C ~ 125°C	Automotive	AEC-Q200	-	Surface Mount	0.127" L x 0.101" W (3.22mm x 2.58mm)	-	0.063" (1.60mm)	-
MF-PSML110/6-2 PTC RESET FUSE 6V 1.1A 0805 Bourns Inc.	8,939	-	RFQ	Datasheet	0805 (2012 Metric), Concave	Multifuse®, MF-PSML/X	Tape & Reel (TR)	Active	Polymeric	6V	1.1 A	2.2 A	50 A	300 ms	30 mOhms	210 mOhms	-	-40°C ~ 85°C	-	-	-	Surface Mount	0.085" L x 0.053" W (2.15mm x 1.35mm)	-	0.028" (0.70mm)	-
MF-PSML175/6-2 PTC RESET FUSE 6V 1.75A 0805 Bourns Inc.	8,839	-	RFQ	Datasheet	0805 (2012 Metric), Concave	Multifuse®, MF-PSML/X	Tape & Reel (TR)	Active	Polymeric	6V	1.75 A	3.5 A	50 A	1 s	10 mOhms	65 mOhms	-	-40°C ~ 85°C	-	-	-	Surface Mount	0.085" L x 0.053" W (2.15mm x 1.35mm)	-	0.028" (0.70mm)	-
0805L035YRHF PTC RESET FUSE 6V 350MA 0805 Littelfuse Inc.	7,377	-	RFQ	Datasheet	0805 (2012 Metric), Concave	POLY-FUSE®, 0805L	Tape & Reel (TR)	Obsolete	Polymeric	6V	350 mA	750 mA	100 A	100 ms	250 mOhms	1.2 Ohms	-	-40°C ~ 85°C	-	-	-	Surface Mount	0.083" L x 0.053" W (2.10mm x 1.35mm)	-	0.030" (0.75mm)	-
YPCL0015N PTC RESET FUSE 265V 140MA RADIAL Amphenol Advanced Sensors (Thermometrics)	8,372	-	RFQ	Datasheet	Radial, Disc	YP	Bulk	Obsolete	Ceramic	265V	140 mA	280 mA	1.5 A	-	-	-	15 Ohms	0°C ~ 60°C	-	-	-	Through Hole	0.433" Dia x 0.197" T (11.00mm x 5.00mm)	0.492" (12.50mm)	-	0.200" (5.08mm)
YPCJ0015T PTC RESET FUSE 265V 90MA RADIAL Amphenol Advanced Sensors (Thermometrics)	9,726	-	RFQ	Datasheet	Radial, Disc	YP	Tape & Reel (TR)	Obsolete	Ceramic	265V	90 mA	180 mA	1.5 A	-	-	-	15 Ohms	0°C ~ 60°C	-	-	-	Through Hole	0.433" Dia x 0.197" T (11.00mm x 5.00mm)	0.492" (12.50mm)	-	0.200" (5.08mm)
YQD120N0045 PTC RESET FUSE 265V 105MA RADIAL Amphenol Advanced Sensors (Thermometrics)	5,515	-	RFQ	Datasheet	Radial, Disc	YQ	Bulk	Active	Ceramic	265V	105 mA	200 mA	800 mA	-	-	-	45 Ohms	0°C ~ 60°C	-	-	-	Through Hole	0.354" Dia x 0.197" T (9.00mm x 5.00mm)	-	-	0.201" (5.10mm)
RL4010-50-110-50-PTF PTC RESET FUSE 50V 110MA RADIAL Amphenol Advanced Sensors (Thermometrics)	4,397	-	RFQ	Datasheet	Radial, Disc	PTF	Bulk	Obsolete	Ceramic	50V	110 mA	170 mA	-	-	-	-	50 Ohms	-	-	-	-	Through Hole	0.449" Dia x 0.201" T (11.40mm x 5.10mm)	0.449" (11.40mm)	-	0.331" (8.40mm)
RL5506-5.0-110-50-PTF PTC RESET FUSE 50V 390MA RADIAL Amphenol Advanced Sensors (Thermometrics)	3,443	-	RFQ	Datasheet	Radial, Disc	PTF	Bulk	Obsolete	Ceramic	50V	390 mA	580 mA	-	-	-	-	5 Ohms	-	-	-	-	Through Hole	0.600" Dia x 0.161" T (15.24mm x 4.10mm)	0.600" (15.24mm)	-	0.331" (8.40mm)
RL4006-10-110-50-PTF PTC RESET FUSE 50V 230MA RADIAL Amphenol Advanced Sensors (Thermometrics)	2,024	-	RFQ	Datasheet	Radial, Disc	PTF	Bulk	Obsolete	Ceramic	50V	230 mA	340 mA	-	-	-	-	10 Ohms	-	-	-	-	Through Hole	0.449" Dia x 0.169" T (11.40mm x 4.30mm)	0.449" (11.40mm)	-	0.252" (6.40mm)
RL5305-2.5-110-12-PTF PTC RESET FUSE 12V 550MA RADIAL Amphenol Advanced Sensors (Thermometrics)	5,792	-	RFQ	Datasheet	Radial, Disc	PTF	Bulk	Obsolete	Ceramic	12V	550 mA	820 mA	-	-	-	-	2.5 Ohms	-	-	-	-	Through Hole	0.600" Dia x 0.160" T (15.24mm x 4.06mm)	0.600" (15.24mm)	-	0.330" (8.38mm)
YQD120N0070 PTC RESET FUSE 265V 65MA RADIAL Amphenol Advanced Sensors (Thermometrics)	4,890	-	RFQ	Datasheet	Radial, Disc	YQ	Bulk	Active	Ceramic	265V	65 mA	130 mA	300 mA	-	-	-	70 Ohms	0°C ~ 60°C	-	-	-	Through Hole	0.256" Dia x 0.197" T (6.50mm x 5.00mm)	-	-	0.201" (5.10mm)
YQS8122 PTC RESET FUSE 30V 600MA RADIAL Amphenol Advanced Sensors (Thermometrics)	5,073	-	RFQ	Datasheet	Radial, Disc	YP	Bulk	Active	Ceramic	30V	600 mA	1.2 A	4.3 A	-	-	-	1.2 Ohms	0°C ~ 60°C	-	-	-	Through Hole	0.433" Dia x 0.138" T (11.00mm x 3.50mm)	0.571" (14.50mm)	-	0.236" (6.00mm)
RL3312-200-110-50-PTO PTC RESET FUSE 50V RADIAL DISC Amphenol Advanced Sensors (Thermometrics)	8,693	-	RFQ	Datasheet	Radial, Disc	PTO	Bulk	Obsolete	Ceramic	50V	-	-	-	45 s	-	-	200 Ohms	-	-	-	-	Through Hole	0.400" Dia x 0.230" T (10.16mm x 5.84mm)	0.400" (10.16mm)	-	0.250" (6.35mm)
RL3020-5K-100-480-PTO PTC RESET FUSE 480V RADIAL DISC Amphenol Advanced Sensors (Thermometrics)	2,250	-	RFQ	Datasheet	Radial, Disc	PTO	Bulk	Obsolete	Ceramic	480V	-	-	-	60 s	-	-	5 kOhms	-	-	-	-	Through Hole	0.350" Dia x 0.310" T (8.89mm x 7.87mm)	0.350" (8.89mm)	-	0.250" (6.35mm)
SMD0805P010TFA PTC RESET FUSE 15V 100MA 0805 Littelfuse Inc.	7,171	-	RFQ	Datasheet	0805 (2012 Metric), Concave	POLY-FUSE®, SMD0805	Tape & Reel (TR)	Obsolete	Polymeric	15V	100 mA	300 mA	40 A	1.5 s	1 Ohms	6 Ohms	-	-40°C ~ 85°C	-	-	-	Surface Mount	0.083" L x 0.053" W (2.10mm x 1.35mm)	-	0.039" (1.00mm)	-
SMD0805P020TFA PTC RESET FUSE 9V 200MA 0805 Littelfuse Inc.	3,105	-	RFQ	Datasheet	0805 (2012 Metric), Concave	POLY-FUSE®, SMD0805	Tape & Reel (TR)	Obsolete	Polymeric	9V	200 mA	500 mA	40 A	20 ms	650 mOhms	3.5 Ohms	-	-40°C ~ 85°C	-	-	-	Surface Mount	0.083" L x 0.053" W (2.10mm x 1.35mm)	-	0.039" (1.00mm)	-
SMD0805P035TFA PTC RESET FUSE 6V 350MA 0805 Littelfuse Inc.	8,013	-	RFQ	Datasheet	0805 (2012 Metric), Concave	POLY-FUSE®, SMD0805	Tape & Reel (TR)	Obsolete	Polymeric	6V	350 mA	750 mA	40 A	100 ms	250 mOhms	1.2 Ohms	-	-40°C ~ 85°C	-	-	-	Surface Mount	0.083" L x 0.053" W (2.10mm x 1.35mm)	-	0.024" (0.60mm)	-
PTGL14AR0R5M1C01B0 THERMISTOR PTC 125V 0.5 OHM 120C Murata Electronics	4,749	-	RFQ	Datasheet	Radial, Disc	Posistor®	Bulk	Obsolete	Ceramic	-	-	-	-	-	-	-	500 mOhms	-	-	-	-	Through Hole	-	-	-	-
PTGLCSAS4R7K6B51B0 PTC RESET FUSE 140V 393MA RADIAL Murata Electronics	5,707	-	RFQ	Datasheet	Radial, Disc	POSISTOR®, PTGL	Bulk	Obsolete	Ceramic	140V	393 mA	523 mA	3.5 A	-	-	-	4.7 Ohms	-30°C ~ 125°C	-	-	-	Through Hole	0.453" Dia x 0.177" T (11.50mm x 4.50mm)	0.650" (16.50mm)	-	0.197" (5.00mm)

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