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
0ZRC0300FF1A PTC RESET FUSE 90V 3A RADIAL Bel Fuse Inc.	801	-	RFQ	Datasheet	Radial, Disc	0ZRC	Box	Active	Polymeric	90V	3 A	6 A	40 A	19.8 s	40 mOhms	100 mOhms	-	-40°C ~ 85°C	Automotive	AEC-Q200	-	Through Hole	0.980" L x 0.122" W (24.90mm x 3.10mm)	1.181" (30.00mm)	-	0.402" (10.20mm)
MF-RX012/250-2 PTC RESET FUSE 60V 120MA RADIAL Bourns Inc.	391	-	RFQ	Datasheet	Radial, Disc	Multifuse®, MF-RX/250	Tape & Reel (TR)	Active	Polymeric	60V (250V Int)	120 mA	-	3 A	-	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)	-	0.201" (5.10mm)
RXEF185 PTC RESET FUSE 72V 1.85A RADIAL Littelfuse Inc.	116	-	RFQ	Datasheet	Radial, Disc	PolySwitch®, RXEF	Bag	Active	Polymeric	72V	1.85 A	3.7 A	40 A	12.6 s	80 mOhms	190 mOhms	-	-40°C ~ 85°C	-	-	-	Through Hole	0.689" Dia x 0.118" T (17.50mm x 3.00mm)	0.882" (22.40mm)	-	0.199" (5.05mm)
0ZRP0300FF1A PTC RESET FUSE 60V 3A RADIAL Bel Fuse Inc.	829	-	RFQ	Datasheet	Radial, Disc	0ZRP	Bulk	Active	Polymeric	60V	3 A	6 A	40 A	19.8 s	30 mOhms	80 mOhms	-	-40°C ~ 85°C	Automotive	AEC-Q200	-	Through Hole	0.650" L x 0.142" W (16.50mm x 3.60mm)	0.835" (21.20mm)	-	0.201" (5.10mm)
RHEF450 PTC RESET FUSE 16V 4.5A RADIAL Littelfuse Inc.	248	-	RFQ	Datasheet	Radial, Disc	PolySwitch®, RHEF	Bag	Active	Polymeric	16V	4.5 A	7.8 A	100 A	3 s	22 mOhms	54 mOhms	-	-40°C ~ 125°C	-	-	-	Through Hole	0.409" L x 0.118" W (10.40mm x 3.00mm)	0.614" (15.60mm)	-	0.199" (5.05mm)
RHEF300 PTC RESET FUSE 16V 3A RADIAL Littelfuse Inc.	470	-	RFQ	Datasheet	Radial, Disc	PolySwitch®, RHEF	Bag	Active	Polymeric	16V	3 A	6 A	100 A	5 s	33 mOhms	79 mOhms	-	-40°C ~ 125°C	-	-	-	Through Hole	0.350" Dia x 0.118" T (8.90mm x 3.00mm)	0.543" (13.80mm)	-	0.199" (5.05mm)
SMD2920B500TF/16 PTC RESET FUSE 16V 5A 2920 YAGEO	105	-	RFQ	Datasheet	2920 (7351 Metric), Concave	SMD2920	Tape & Reel (TR)	Active	Polymeric	16V	5 A	10 A	40 A	5 s	5 mOhms	31 mOhms	-	-40°C ~ 85°C	-	-	-	Surface Mount	0.290" L x 0.202" W (7.36mm x 5.12mm)	-	0.063" (1.60mm)	-
2920L050/72DR POLYSWITCH RESETTABLE PPTC Littelfuse Inc.	321	-	RFQ	Datasheet	2920 (7351 Metric), Concave	POLY-FUSE®, 2920L	Tape & Reel (TR)	Active	Polymeric	72V	500 mA	1 A	10 A	5 s	300 mOhms	1.5 Ohms	-	-40°C ~ 85°C	-	-	-	Surface Mount	0.290" L x 0.202" W (7.36mm x 5.12mm)	-	0.049" (1.25mm)	-
TRF250-080T PTC RESET FUSE 60V 80MA RADIAL Littelfuse Inc.	740	-	RFQ	Datasheet	Radial, Disc	PolySwitch®, TRF250	Bag	Active	Polymeric	60V (250V Int)	80 mA	160 mA	3 A	4 s	15 Ohms	33 Ohms	-	-40°C ~ 85°C	-	-	-	Through Hole	0.228" Dia x 0.181" T (5.80mm x 4.60mm)	0.390" (9.90mm)	-	0.197" (5.00mm)
MF-RX300/72-2 PTC RESET FUSE 72V 3A RADIAL Bourns Inc.	1,336	-	RFQ	Datasheet	Radial, Disc	Multifuse®, MF-RX/72	Tape & Reel (TR)	Active	Polymeric	72V	3 A	6 A	40 A	19.8 s	40 mOhms	100 mOhms	-	-40°C ~ 85°C	-	-	-	Through Hole	0.814" L x 0.122" W (20.67mm x 3.10mm)	1.050" (26.67mm)	-	0.402" (10.20mm)
LVR040K PTC RESET FUSE 240V 400MA RADIAL Littelfuse Inc.	362	-	RFQ	Datasheet	Radial, Disc	PolySwitch®, LVR	Bag	Active	Polymeric	240V (265V Int)	400 mA	900 mA	5.5 A	24 s	600 mOhms	1.9 Ohms	-	-20°C ~ 85°C	-	-	-	Through Hole	0.453" L x 0.150" W (11.50mm x 3.80mm)	0.823" (20.90mm)	-	0.200" (5.08mm)
RKEF375 PTC RESET FUSE 60V 3.75A RADIAL Littelfuse Inc.	896	-	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)
PICOASMDCH010F-2 PTC RESET FUSE 16V 100MA 0805 Littelfuse Inc.	681	-	RFQ	Datasheet	0805 (2012 Metric), Concave	PolySwitch®, picoASMD	Tape & Reel (TR)	Active	Polymeric	16V	100 mA	600 mA	40 A	1.5 s	1 Ohms	10 Ohms	-	-40°C ~ 125°C	Automotive	AEC-Q200	-	Surface Mount	0.083" L x 0.055" W (2.10mm x 1.40mm)	-	0.031" (0.78mm)	-
0ZAF0012FF28 LINE VOLTAGE RATED SURFACE MOUNT Bel Fuse Inc.	347	-	RFQ	Datasheet	2920 (7351 Metric), Concave	-	Tape & Reel (TR)	Active	Polymeric	240V (250V Int)	120 mA	300 mA	1.2 A	15 s	6 Ohms	20 Ohms	14 Ohms	-40°C ~ 85°C	Automotive	AEC-Q200	-	Surface Mount	0.290" L x 0.202" W (7.36mm x 5.12mm)	-	0.102" (2.60mm)	-
30R110UPR PTC RESET FUSE 30V 1.1A RADIAL Littelfuse Inc.	289	-	RFQ	Datasheet	Radial, Disc	POLY-FUSE®, 30R	Cut Tape (CT)	Active	Polymeric	30V	1.1 A	2.2 A	40 A	6.6 s	50 mOhms	170 mOhms	-	-40°C ~ 85°C	-	-	-	Through Hole	0.291" L x 0.118" W (7.40mm x 3.00mm)	0.559" (14.20mm)	-	0.201" (5.10mm)
0ZRM0100FF1E PTC RESET FUSE 120V 1A RADIAL Bel Fuse Inc.	852	-	RFQ	Datasheet	Radial, Disc	0ZRM	Box	Active	Polymeric	120V	1 A	2 A	10 A	15 s	180 mOhms	470 mOhms	-	-40°C ~ 85°C	Automotive	AEC-Q200	-	Through Hole	0.453" Dia x 0.161" T (11.50mm x 4.10mm)	0.791" (20.10mm)	-	0.201" (5.10mm)
2920L150/60MR POLYSWITCH RESETTABLE PPTC Littelfuse Inc.	297	-	RFQ	Datasheet	2920 (7351 Metric), Concave	POLY-FUSE®, 2920L	Tape & Reel (TR)	Active	Polymeric	60V	1.5 A	3 A	20 A	5 s	70 mOhms	250 mOhms	-	-40°C ~ 85°C	-	-	-	Surface Mount	0.290" L x 0.202" W (7.36mm x 5.12mm)	-	0.071" (1.80mm)	-
PTCCL05H280HBE PTC RESET FUSE 265V 28MA RADIAL Vishay Beyschlag/Draloric/BC Components	872	-	RFQ	Datasheet	Radial, Disc	PTCCL - 265V	Bulk	Active	Ceramic	265V	28 mA	42 mA	200 mA	-	-	-	500 Ohms	0°C ~ 70°C	-	-	-	Through Hole	0.197" Dia x 0.217" T (5.00mm x 5.50mm)	0.394" (10.00mm)	-	0.197" (5.00mm)
PTR016V1500-BK PTC RESET FUSE 16V 15A RADIAL Eaton - Electronics Division	190	-	RFQ	Datasheet	Radial, Disc	PTR016V	Bulk	Active	Polymeric	16V	15 A	25.5 A	100 A	10 s	2 mOhms	7 mOhms	-	-40°C ~ 85°C	-	-	-	Through Hole	0.989" L x 0.122" W (25.10mm x 3.10mm)	1.142" (29.00mm)	-	0.394" (10.00mm)
MF-RHT200/32-0 PTC RESET FUSE 32V 2A RADIAL Bourns Inc.	928	-	RFQ	Datasheet	Radial, Disc	Multifuse®, MF-RHT	Bag	Active	Polymeric	32V	2 A	3.8 A	50 A	3 s	45 mOhms	110 mOhms	-	-40°C ~ 125°C	Automotive	AEC-Q200	-	Through Hole	0.370" Dia x 0.118" T (9.40mm x 3.00mm)	0.551" (14.00mm)	-	0.201" (5.10mm)

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