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
1210L350SLWR PTC RESET FUSE 6V 3.5A 1210 Littelfuse Inc.	426	-	RFQ	Datasheet	1210 (3225 Metric), Concave	POLY-FUSE®, LoRho	Tape & Reel (TR)	Active	Polymeric	6V	3.5 A	7 A	50 A	2 s	3 mOhms	18 mOhms	-	-40°C ~ 85°C	-	-	-	Surface Mount	0.127" L x 0.102" W (3.22mm x 2.58mm)	-	0.028" (0.70mm)	-
1210L500/12SLWR PTC RESET FUSE 5.0A 12V 1210 Littelfuse Inc.	6,653	-	RFQ	Datasheet	1210 (3225 Metric), Concave	POLY-FUSE®, LoRho	Tape & Reel (TR)	Active	Polymeric	12V	5 A	10 A	50 A	2 s	1 mOhms	12 mOhms	-	-40°C ~ 85°C	-	-	-	Surface Mount	0.127" L x 0.101" W (3.22mm x 2.58mm)	-	0.055" (1.40mm)	-
1206L450SLWR PTC RESET FUSE 6V 4.5A 1206 Littelfuse Inc.	6,642	-	RFQ	Datasheet	1206 (3216 Metric), Concave	POLY-FUSE®, LoRho	Tape & Reel (TR)	Active	Polymeric	6V	4.5 A	9 A	50 A	2 s	1 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)	-
NANOSMDH075F-02 PTC RESET FUSE 6V 750MA 1206 Littelfuse Inc.	2,582	-	RFQ	Datasheet	1206 (3216 Metric)	PolySwitch®, nanoSMD	Tape & Reel (TR)	Active	Polymeric	6V	750 mA	2 A	10 A	100 ms	100 mOhms	360 mOhms	-	-40°C ~ 125°C	-	-	-	Surface Mount	0.126" L x 0.063" W (3.20mm x 1.60mm)	-	0.039" (1.00mm)	-
0805L300SLWR PTC RESET FUSE 6V 3A 0805 Littelfuse Inc.	3,664	-	RFQ	Datasheet	0805 (2012 Metric), Concave	POLY-FUSE®, LoRho	Tape & Reel (TR)	Active	Polymeric	6V	3 A	6 A	50 A	5 s	3 mOhms	30 mOhms	-	-40°C ~ 85°C	-	-	-	Surface Mount	0.083" L x 0.053" W (2.10mm x 1.35mm)	-	0.055" (1.40mm)	-
1206L300/12SLYR PTC RESET FUSE 3.0A 12V 1206 Littelfuse Inc.	2,527	-	RFQ	Datasheet	1206 (3216 Metric), Concave	POLY-FUSE®, LoRho	Tape & Reel (TR)	Active	Polymeric	12V	3 A	6 A	50 A	4 s	3 mOhms	30 mOhms	-	-40°C ~ 85°C	-	-	-	Surface Mount	0.126" L x 0.065" W (3.20mm x 1.65mm)	-	0.030" (0.75mm)	-
1206L500/12SLPR PTC RESET FUSE 5.0A 12V 1206 Littelfuse Inc.	1,462	-	RFQ	Datasheet	1206 (3216 Metric), Concave	POLY-FUSE®, LoRho	Tape & Reel (TR)	Active	Polymeric	12V	5 A	10 A	50 A	2 s	1 mOhms	12 mOhms	-	-40°C ~ 85°C	-	-	-	Surface Mount	0.126" L x 0.065" W (3.20mm x 1.65mm)	-	0.055" (1.40mm)	-
B59751C0120A070 PTC RESET FUSE 440V 87MA RADIAL EPCOS - TDK Electronics	19,064	-	RFQ	Datasheet	Radial, Disc	B59751	Bulk	Active	Ceramic	440V	87 mA	173 mA	4 A	-	-	-	50 Ohms	-40°C ~ 125°C	Automotive	AEC-Q200	-	Through Hole	0.512" Dia x 0.295" T (13.00mm x 7.50mm)	0.709" (18.00mm)	-	0.197" (5.00mm)
60R250XF PTC RESET FUSE 60V 2.5A RADIAL Littelfuse Inc.	567	-	RFQ	Datasheet	Radial, Disc	POLY-FUSE®, 60R	Bulk	Active	Polymeric	60V	2.5 A	5 A	40 A	15.6 s	50 mOhms	130 mOhms	-	-40°C ~ 85°C	-	-	-	Through Hole	0.785" Dia x 0.122" T (19.93mm x 3.10mm)	1.032" (26.20mm)	-	0.402" (10.20mm)
B59935C0120A070 PTC RESET FUSE 30V 1.8A RADIAL EPCOS - TDK Electronics	1,636	-	RFQ	Datasheet	Radial, Disc	B59935	Bulk	Active	Ceramic	30V	1.8 A	3.6 A	10 A	-	-	-	300 mOhms	-40°C ~ 85°C	-	-	-	Through Hole	0.866" Dia x 0.138" T (22.00mm x 3.50mm)	1.004" (25.50mm)	-	0.197" (5.00mm)
B59830C0120A070 PTC RESET FUSE 265V 460MA RADIAL EPCOS - TDK Electronics	639	-	RFQ	Datasheet	Radial, Disc	-	Bulk	Active	Ceramic	265V	460 mA	920 mA	7 A	-	-	-	3.7 Ohms	0°C ~ 60°C	-	-	-	Through Hole	0.866" Dia x 0.197" T (22.00mm x 5.00mm)	1.004" (25.50mm)	-	0.197" (5.00mm)
SMDC310F/18-02 PTC RESET FUSE 18V 3.1A 2920 Littelfuse Inc.	964	-	RFQ	Datasheet	2920 (7351 Metric), Concave	SMDC	Tape & Reel (TR)	Active	Polymeric	18V	3.1 A	6 A	50 A	25 s	-	-	-	-	-	-	-	Surface Mount	0.295" L x 0.201" W (7.50mm x 5.10mm)	-	0.067" (1.70mm)	-
CL20 7R0120 PTC RESET FUSE 350V 850MA RADIAL Ametherm	345	-	RFQ	Datasheet	Radial, Disc	-	Bulk	Active	-	350V	850 mA	1.6 A	-	-	-	-	7 Ohms	-	-	-	-	Through Hole	0.827" Dia x 0.236" T (21.00mm x 6.00mm)	-	-	0.307" (7.80mm)
0805L110WR PTC RESET FUSE 6V 1.1A 0805 Littelfuse Inc.	6,714	-	RFQ	Datasheet	0805 (2012 Metric), Concave	POLY-FUSE®, 0805L	Tape & Reel (TR)	Active	Polymeric	6V	1.1 A	2 A	100 A	100 ms	50 mOhms	160 mOhms	-	-40°C ~ 85°C	-	-	-	Surface Mount	0.083" L x 0.053" W (2.10mm x 1.35mm)	-	0.043" (1.10mm)	-
0805L075WR PTC RESET FUSE 6V 750MA 0805 Littelfuse Inc.	3,488	-	RFQ	Datasheet	0805 (2012 Metric), Concave	POLY-FUSE®, 0805L	Tape & Reel (TR)	Active	Polymeric	6V	750 mA	1.5 A	40 A	200 ms	90 mOhms	350 mOhms	-	-40°C ~ 85°C	-	-	-	Surface Mount	0.083" L x 0.053" W (2.10mm x 1.35mm)	-	0.030" (0.75mm)	-
16R1400GH PTC RESET FUSE 16V 14A RADIAL Littelfuse Inc.	10,724	-	RFQ	Datasheet	Radial, Disc	POLY-FUSE®, 16R	Bulk	Active	Polymeric	16V	14 A	23.8 A	100 A	9 s	2.6 mOhms	6.4 mOhms	-	-40°C ~ 85°C	-	-	-	Through Hole	0.925" L x 0.138" W (23.50mm x 3.50mm)	1.098" (27.90mm)	-	0.402" (10.20mm)
0402L075SLKR PTC 6V POLYFUSE SMT 0402 SL 0.75 Littelfuse Inc.	34,844	-	RFQ	Datasheet	0402 (1005 Metric), Concave	POLY-FUSE®, LoRho	Tape & Reel (TR)	Active	Polymeric	6V	750 mA	1.5 A	40 A	100 ms	30 mOhms	300 mOhms	-	-40°C ~ 85°C	-	-	-	Surface Mount	0.039" L x 0.020" W (1.00mm x 0.50mm)	-	0.024" (0.60mm)	-
YS4020 PTC RESET FUSE 1.0KV RADIAL DISC Amphenol Advanced Sensors (Thermometrics)	888	-	RFQ	Datasheet	Radial, Disc	YS	Bulk	Active	Ceramic	1.0kV	-	-	-	-	-	-	1.1 kOhms	-20°C ~ 60°C	-	-	-	Through Hole	0.315" Dia x 0.236" T (8.00mm x 6.00mm)	0.472" (12.00mm)	-	0.295" (7.50mm)
1206L110/12SLYR PTC RESET FUSE 12V 1.1A 1206 Littelfuse Inc.	2,918	-	RFQ	Datasheet	1206 (3216 Metric), Concave	POLY-FUSE®, LoRho	Tape & Reel (TR)	Active	Polymeric	12V	1.1 A	2.2 A	50 A	300 ms	15 mOhms	130 mOhms	-	-40°C ~ 85°C	-	-	-	Surface Mount	0.126" L x 0.065" W (3.20mm x 1.65mm)	-	0.033" (0.85mm)	-
YQS8065 PTC RESET FUSE 265V 168MA RADIAL Amphenol Advanced Sensors (Thermometrics)	5,798	-	RFQ	Datasheet	Radial, Disc	YM	Bulk	Active	Ceramic	265V	168 mA	265 mA	1.3 A	-	-	-	20 Ohms	0°C ~ 55°C	-	-	-	Through Hole	0.374" Dia x 0.177" T (9.50mm x 4.50mm)	0.591" (15.00mm)	-	0.197" (5.00mm)

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