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
RUEF400-1 PTC RESET FUSE 30V 4A RADIAL Littelfuse Inc.	362	-	RFQ	Datasheet	Radial, Disc	PolySwitch®, RUEF	Bag	Active	Polymeric	30V	4 A	8 A	100 A	12.7 s	10 mOhms	50 mOhms	-	-40°C ~ 85°C	-	-	-	Through Hole	0.551" L x 0.118" W (14.00mm x 3.00mm)	0.760" (19.30mm)	-	0.199" (5.05mm)
0ZCN0150FF2C PTC RESET FUSE 15V 1.5A 2016 Bel Fuse Inc.	600	-	RFQ	Datasheet	2016 (5041 Metric), Concave	0ZCN	Tape & Reel (TR)	Active	Polymeric	15V	1.5 A	3 A	100 A	800 ms	70 mOhms	180 mOhms	-	-40°C ~ 85°C	Automotive	AEC-Q200	-	Surface Mount	0.200" L x 0.160" W (5.08mm x 4.07mm)	-	0.026" (0.65mm)	-
AHRF070 PTC RESET FUSE 30V 700MA RADIAL Littelfuse Inc.	472	-	RFQ	Datasheet	Radial, Disc	PolySwitch®, AHRF	Bag	Active	Polymeric	30V	700 mA	1.4 A	40 A	3.2 s	230 mOhms	800 mOhms	-	-40°C ~ 125°C	Automotive	AEC-Q200	-	Through Hole	0.272" L x 0.130" W (6.90mm x 3.30mm)	0.425" (10.80mm)	-	0.199" (5.05mm)
AHRF100 PTC RESET FUSE 30V 1A RADIAL Littelfuse Inc.	500	-	RFQ	Datasheet	Radial, Disc	PolySwitch®, AHRF	Bag	Active	Polymeric	30V	1 A	1.9 A	40 A	6.2 s	150 mOhms	430 mOhms	-	-40°C ~ 125°C	Automotive	AEC-Q200	-	Through Hole	0.382" Dia x 0.118" T (9.70mm x 3.00mm)	0.535" (13.60mm)	-	0.199" (5.05mm)
MINIASMDC260F/12-2 PTC RESET FUSE 12V 2.6A 1812 Littelfuse Inc.	347	-	RFQ	Datasheet	1812 (4532 Metric), Concave	PolySwitch®, miniASMD	Bulk	Active	Polymeric	12V	2.6 A	5 A	100 A	5 s	15 mOhms	47 mOhms	-	-40°C ~ 85°C	Automotive	AEC-Q200	-	Surface Mount	0.181" L x 0.128" W (4.60mm x 3.24mm)	-	0.060" (1.52mm)	-
PICOSMDC075S-2 PTC RESET FUSE 6V 750MA 0805 Littelfuse Inc.	1,031	-	RFQ	Datasheet	0805 (2012 Metric), Concave	PolySwitch®, miniSMD	Tape & Reel (TR)	Active	Polymeric	6V	750 mA	1.5 A	40 A	200 ms	100 mOhms	350 mOhms	-	-40°C ~ 85°C	-	-	-	Surface Mount	0.083" L x 0.055" W (2.10mm x 1.40mm)	-	0.037" (0.93mm)	-
MF-R090-2-9 PTC RESET FUSE 60V 900MA RADIAL Bourns Inc.	231	-	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	-	-	-	Through Hole	0.461" L x 0.122" W (11.70mm x 3.10mm)	0.657" (16.70mm)	-	0.201" (5.10mm)
AHS120-2 PTC RESET FUSE 16V 1.2A 2SMD Littelfuse Inc.	4,068	-	RFQ	Datasheet	2-SMD	PolySwitch®, AHS	Tape & Reel (TR)	Active	Polymeric	16V	1.2 A	2.3 A	50 A	2 s	150 mOhms	340 mOhms	-	-40°C ~ 125°C	Automotive	AEC-Q200	-	Surface Mount	0.290" L x 0.202" W (7.36mm x 5.12mm)	-	0.118" (3.00mm)	-
AGRF1400 PTC RESET FUSE 16V 14A RADIAL Littelfuse Inc.	250	-	RFQ	Datasheet	Radial, Disc	PolySwitch®, AGRF	Bag	Active	Polymeric	16V	14 A	27.3 A	100 A	9 s	2.2 mOhms	6.4 mOhms	-	-40°C ~ 85°C	Automotive	AEC-Q200	-	Through Hole	0.925" L x 0.138" W (23.50mm x 3.50mm)	1.130" (28.70mm)	-	0.400" (10.15mm)
PICOASMDC050S-2 PPTC-MINI-PSW Littelfuse Inc.	990	-	RFQ	Datasheet	0805 (2012 Metric), Concave	PolySwitch® picoASMDC	Tape & Reel (TR)	Active	Polymeric	6V	500 mA	1 A	100 A	100 ms	150 mOhms	800 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)	-
PICOASMDC020S-2 PPTC-MINI-PSW Littelfuse Inc.	873	-	RFQ	Datasheet	0805 (2012 Metric), Concave	PolySwitch® picoASMDC	Tape & Reel (TR)	Active	Polymeric	9V	200 mA	470 mA	100 A	100 ms	750 mOhms	3.2 Ohms	-	-40°C ~ 85°C	Automotive	AEC-Q200	-	Surface Mount	0.083" L x 0.055" W (2.10mm x 1.40mm)	-	0.027" (0.68mm)	-
0ZRB0700FF1A PTC RESET FUSE 30V 7A RADIAL Bel Fuse Inc.	563	-	RFQ	Datasheet	Radial, Disc	0ZRB	Box	Active	Polymeric	30V	7 A	14 A	40 A	17.5 s	5 mOhms	30 mOhms	-	-40°C ~ 85°C	Automotive	AEC-Q200	-	Through Hole	0.752" L x 0.118" W (19.10mm x 3.00mm)	1.051" (26.70mm)	-	0.402" (10.20mm)
TRF250-120T PTC RESET FUSE 60V 120MA RADIAL Littelfuse Inc.	499	-	RFQ	Datasheet	Radial, Disc	PolySwitch®, TRF250	Bag	Active	Polymeric	60V (250V Int)	120 mA	240 mA	3 A	1.2 s	7 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)
MF-LS100 PTC RESET FUSE 24V 1A STRAP Bourns Inc.	560	-	RFQ	Datasheet	Strap	Multifuse®, MF-LS	Bulk	Active	Polymeric	24V	1 A	2.5 A	100 A	7 s	70 mOhms	260 mOhms	-	-40°C ~ 85°C	-	-	-	User Defined	0.866" L x 0.199" W (22.00mm x 5.05mm)	-	0.039" (1.00mm)	-
LVR016S-1 PTC RESET FUSE 240V 160MA RADIAL Littelfuse Inc.	490	-	RFQ	Datasheet	Radial, Disc	PolySwitch®, LVR	Bag	Active	Polymeric	240V (265V Int)	160 mA	370 mA	2 A	15 s	2.5 Ohms	7.8 Ohms	-	-20°C ~ 85°C	-	-	-	Through Hole	0.390" Dia x 0.150" T (9.90mm x 3.80mm)	0.492" (12.50mm)	-	0.200" (5.08mm)
TRF250-183U PTC RESET FUSE 100V 183MA RADIAL Littelfuse Inc.	375	-	RFQ	Datasheet	Radial, Disc	PolySwitch®, TRF250	Bag	Active	Polymeric	100V (250V Int)	183 mA	685 mA	10 A	1.8 s	800 mOhms	3.4 Ohms	-	-40°C ~ 85°C	-	-	-	Through Hole	0.256" Dia x 0.118" T (6.50mm x 3.00mm)	0.394" (10.00mm)	-	0.197" (5.00mm)
MF-RHT050-0 PTC RESET FUSE 30V 500MA RADIAL Bourns Inc.	2,214	-	RFQ	Datasheet	Radial, Disc	Multifuse®, MF-RHT	Bulk	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)
16R300GPR PTC RESET FUSE 16V 3A RADIAL Littelfuse Inc.	1,748	-	RFQ	Datasheet	Radial, Disc	POLY-FUSE®, 16R	Cut Tape (CT)	Active	Polymeric	16V	3 A	5.1 A	100 A	1 s	38 mOhms	97.5 mOhms	-	-40°C ~ 85°C	-	-	-	Through Hole	0.280" L x 0.118" W (7.10mm x 3.00mm)	0.433" (11.00mm)	-	0.201" (5.10mm)
AHS160-2 PTC RESET FUSE 16V 1.6A 2SMD Littelfuse Inc.	807	-	RFQ	Datasheet	2-SMD	PolySwitch®, AHS	Tape & Reel (TR)	Active	Polymeric	16V	1.6 A	3.2 A	70 A	15 s	50 mOhms	150 mOhms	-	-40°C ~ 125°C	Automotive	AEC-Q200	-	Surface Mount	0.343" L x 0.250" W (8.70mm x 6.36mm)	-	0.118" (3.00mm)	-
TRF250-110U PTC RESET FUSE 60V 110MA RADIAL Littelfuse Inc.	500	-	RFQ	Datasheet	Radial, Disc	PolySwitch®, TRF250	Bag	Active	Polymeric	60V (250V Int)	110 mA	220 mA	3 A	1.2 s	5 Ohms	16 Ohms	-	-40°C ~ 85°C	-	-	-	Through Hole	0.209" Dia x 0.150" T (5.30mm x 3.80mm)	0.370" (9.40mm)	-	0.197" (5.00mm)

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