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
0ZRN0300FF1E PTC RESET FUSE 16V 3A RADIAL Bel Fuse Inc.	990	-	RFQ	Datasheet	Radial, Disc	0ZRN	Bulk	Active	Polymeric	16V	3 A	6 A	100 A	5 s	33 mOhms	79 mOhms	-	-40°C ~ 125°C	Automotive	AEC-Q200	-	Through Hole	0.346" L x 0.118" W (8.80mm x 3.00mm)	0.543" (13.80mm)	-	0.201" (5.10mm)
B59980C0130A070 PTC RESET FUSE 80V 85MA RADIAL EPCOS - TDK Electronics	961	-	RFQ	Datasheet	Radial, Disc	B59980	Bulk	Active	Ceramic	80V	85 mA	130 mA	700 mA	-	-	-	62 Ohms	-40°C ~ 125°C	-	-	-	Through Hole	0.157" Dia x 0.138" T (4.00mm x 3.50mm)	0.295" (7.50mm)	-	0.197" (5.00mm)
AHEF070 PTC RESET FUSE 32V 700MA RADIAL Littelfuse Inc.	473	-	RFQ	Datasheet	Radial, Disc	PolySwitch®, AHEF	Bag	Active	Polymeric	32V	700 mA	1.4 A	100 A	3.2 s	230 mOhms	800 mOhms	-	-40°C ~ 125°C	Automotive	AEC-Q200	-	Through Hole	0.272" L x 0.118" W (6.90mm x 3.00mm)	0.425" (10.80mm)	-	0.118" (3.00mm)
PTSLR12106V500 PTC RESET FUSE 6V 5A 1210 Eaton - Electronics Division	126	-	RFQ	Datasheet	1210 (3225 Metric), Concave	PTSLR1210	Tape & Reel (TR)	Active	Polymeric	6V	5 A	10 A	50 A	2 s	2 mOhms	12 mOhms	-	-40°C ~ 85°C	-	-	-	Surface Mount	0.127" L x 0.101" W (3.22mm x 2.58mm)	-	0.047" (1.20mm)	-
2920L300DR PTC RESET FUSE 6V 3A 2920 Littelfuse Inc.	906	-	RFQ	Datasheet	2920 (7351 Metric), Concave	POLY-FUSE®, 2920L	Tape & Reel (TR)	Active	Polymeric	6V	3 A	5 A	40 A	20 s	15 mOhms	48 mOhms	-	-40°C ~ 85°C	-	-	-	Surface Mount	0.289" L x 0.202" W (7.35mm x 5.12mm)	-	0.049" (1.25mm)	-
AHS200-2 PTC RESET FUSE 16V 2A 2SMD Littelfuse Inc.	783	-	RFQ	Datasheet	2-SMD	PolySwitch®, AHS	Tape & Reel (TR)	Active	Polymeric	16V	2 A	4 A	70 A	13.4 s	50 mOhms	140 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)	-
MF-NSML500/6-2 PTC RESET FUSE 6V 5A 1206 Bourns Inc.	747	-	RFQ	Datasheet	1206 (3216 Metric), Concave	Multifuse®, MF-NSML/X	Tape & Reel (TR)	Active	Polymeric	6V	5 A	10 A	50 A	5 s	2 mOhms	11 mOhms	-	-40°C ~ 85°C	-	-	-	Surface Mount	0.128" L x 0.063" W (3.25mm x 1.60mm)	-	0.039" (1.00mm)	-
TRF250-180 PTC RESET FUSE 100V 180MA RADIAL Littelfuse Inc.	108	-	RFQ	Datasheet	Radial, Disc	PolySwitch®, TRF250	Bulk	Active	Polymeric	100V (250V Int)	180 mA	650 mA	10 A	2 s	800 mOhms	4 Ohms	-	-40°C ~ 85°C	-	-	-	Through Hole	0.354" Dia x 0.150" T (9.00mm x 3.80mm)	0.472" (12.00mm)	-	0.197" (5.00mm)
LVR025S-1 PTC RESET FUSE 240V 250MA RADIAL Littelfuse Inc.	400	-	RFQ	Datasheet	Radial, Disc	PolySwitch®, LVR	Bag	Active	Polymeric	240V (265V Int)	250 mA	560 mA	3.5 A	18.5 s	1.3 Ohms	3.8 Ohms	-	-20°C ~ 85°C	-	-	-	Through Hole	0.378" L x 0.150" W (9.60mm x 3.80mm)	0.685" (17.40mm)	-	0.200" (5.08mm)
TRF250-145U PTC RESET FUSE 60V 145MA RADIAL Littelfuse Inc.	540	-	RFQ	Datasheet	Radial, Disc	PolySwitch®, TRF250	Bag	Active	Polymeric	60V (250V Int)	145 mA	290 mA	3 A	4 s	3.5 Ohms	14 Ohms	-	-40°C ~ 85°C	-	-	-	Through Hole	0.236" L x 0.150" W (6.00mm x 3.80mm)	0.394" (10.00mm)	-	0.197" (5.00mm)
AHRF450S-1 PTC RESET FUSE 16V 4.5A RADIAL Littelfuse Inc.	1,000	-	RFQ	Datasheet	Radial, Disc	PolySwitch®, AHRF	Bag	Active	Polymeric	16V	4.5 A	8.7 A	100 A	4 s	17 mOhms	54 mOhms	-	-40°C ~ 125°C	Automotive	AEC-Q200	-	Through Hole	0.409" Dia x 0.122" T (10.40mm x 3.10mm)	0.563" (14.30mm)	-	0.199" (5.05mm)
RKEF375K PTC RESET FUSE 60V 3.75A RADIAL Littelfuse Inc.	806	-	RFQ	Datasheet	Radial, Disc	PolySwitch®, RKEF	Bag	Active	Polymeric	60V	3.75 A	7.5 A	40 A	22 s	17 mOhms	60 mOhms	-	-40°C ~ 85°C	-	-	-	Through Hole	0.650" L x 0.118" W (16.50mm x 3.00mm)	0.992" (25.20mm)	-	0.199" (5.05mm)
VTP210SF PTC RESET FUSE 16V 2.1A STRAP Littelfuse Inc.	688	-	RFQ	Datasheet	Strap	PolySwitch®, VTP	Bulk	Active	Polymeric	16V	2.1 A	4.7 A	100 A	5 s	18 mOhms	60 mOhms	-	-40°C ~ 85°C	-	-	-	User Defined	0.909" L x 0.209" W (23.10mm x 5.30mm)	-	0.032" (0.80mm)	-
PTCCL05H940EBE PTC RESET FUSE 60V 94MA RADIAL Vishay Beyschlag/Draloric/BC Components	671	-	RFQ	Datasheet	Radial, Disc	PTCCL - 60V	Bulk	Active	Ceramic	60V	94 mA	145 mA	800 mA	-	-	-	50 Ohms	-40°C ~ 85°C	-	-	-	Through Hole	0.197" Dia x 0.157" T (5.00mm x 4.00mm)	0.394" (10.00mm)	-	0.197" (5.00mm)
PICOASMDC010S-2 PTC RESET FUSE 15V 100MA 0805 Littelfuse Inc.	504	-	RFQ	Datasheet	0805 (2012 Metric)	PolySwitch®, picoASMDC	Tape & Reel (TR)	Active	Polymeric	15V	100 mA	300 mA	20 A	600 ms	1.5 Ohms	11 Ohms	-	-	Automotive	AEC-Q200	-	Surface Mount	0.083" L x 0.055" W (2.10mm x 1.40mm)	-	0.040" (1.02mm)	-
AHRF550 PTC RESET FUSE 16V 5.5A RADIAL Littelfuse Inc.	219	-	RFQ	Datasheet	Radial, Disc	PolySwitch®, AHRF	Bag	Active	Polymeric	16V	5.5 A	10 A	100 A	6 s	13 mOhms	37 mOhms	-	-40°C ~ 125°C	Automotive	AEC-Q200	-	Through Hole	0.441" L x 0.118" W (11.20mm x 3.00mm)	0.744" (18.90mm)	-	0.199" (5.05mm)
60R075XU PTC RESET FUSE 60V 750MA RADIAL Littelfuse Inc.	459	-	RFQ	Datasheet	Radial, Disc	POLY-FUSE®, 60R	Bulk	Active	Polymeric	60V	750 mA	1.5 A	40 A	6.3 s	250 mOhms	600 mOhms	-	-40°C ~ 85°C	-	-	-	Through Hole	0.402" Dia x 0.122" T (10.20mm x 3.10mm)	0.591" (15.00mm)	-	0.201" (5.10mm)
PTSLR12066V350 PTC RESET FUSE 6V 3.5A 1206 Eaton - Electronics Division	227	-	RFQ	Datasheet	1206 (3216 Metric), Concave	PTSLR1206	Tape & Reel (TR)	Active	Polymeric	6V	3.5 A	7 A	50 A	5 s	3 mOhms	18 mOhms	-	-40°C ~ 85°C	-	-	-	Surface Mount	0.128" L x 0.065" W (3.25mm x 1.65mm)	-	0.047" (1.20mm)	-
LVR033K PTC RESET FUSE 240V 330MA RADIAL Littelfuse Inc.	214	-	RFQ	Datasheet	Radial, Disc	PolySwitch®, LVR	Bag	Active	Polymeric	240V (265V Int)	330 mA	740 mA	4.5 A	21 s	770 mOhms	2.6 Ohms	-	-20°C ~ 85°C	-	-	-	Through Hole	0.449" L x 0.150" W (11.40mm x 3.80mm)	0.748" (19.00mm)	-	0.200" (5.08mm)
AHRF300 PTC RESET FUSE 16V 3A RADIAL Littelfuse Inc.	500	-	RFQ	Datasheet	Radial, Disc	PolySwitch®, AHRF	Bag	Active	Polymeric	16V	3 A	6.5 A	100 A	5 s	29 mOhms	79 mOhms	-	-40°C ~ 125°C	Automotive	AEC-Q200	-	Through Hole	0.346" L x 0.118" W (8.80mm x 3.00mm)	0.543" (13.80mm)	-	0.199" (5.05mm)

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