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
0ZRE0033FF1A PTC RESET FUSE 240V 330MA RADIAL Bel Fuse Inc.	1,932	-	RFQ	Datasheet	Radial, Disc	0ZRE	Box	Active	Polymeric	240V	330 mA	740 mA	6 A	21 s	830 mOhms	2.6 Ohms	-	-40°C ~ 85°C	Automotive	AEC-Q200	-	Through Hole	0.449" L x 0.150" W (11.40mm x 3.80mm)	0.650" (16.50mm)	-	0.201" (5.10mm)
RGEF500 PTC RESET FUSE 16V 5A RADIAL Littelfuse Inc.	1,901	-	RFQ	Datasheet	Radial, Disc	PolySwitch®, RGEF	Bag	Active	Polymeric	16V	5 A	8.5 A	100 A	2 s	15 mOhms	34 mOhms	-	-40°C ~ 85°C	-	-	-	Through Hole	0.390" L x 0.098" W (9.90mm x 2.50mm)	0.563" (14.30mm)	-	0.199" (5.05mm)
0ZCN0075FF2A PTC RESET FUSE 60V 750MA 2016 Bel Fuse Inc.	49,904	-	RFQ	Datasheet	2016 (5041 Metric), Concave	0ZCN	Tape & Reel (TR)	Active	Polymeric	60V	750 mA	1.5 A	100 A	500 ms	130 mOhms	900 mOhms	-	-40°C ~ 85°C	Automotive	AEC-Q200	-	Surface Mount	0.200" L x 0.160" W (5.08mm x 4.07mm)	-	0.067" (1.70mm)	-
RKEF250 PTC RESET FUSE 60V 2.5A RADIAL Littelfuse Inc.	20,648	-	RFQ	Datasheet	Radial, Disc	PolySwitch®, RKEF	Bag	Active	Polymeric	60V	2.5 A	5 A	40 A	15.6 s	40 mOhms	140 mOhms	-	-40°C ~ 85°C	-	-	-	Through Hole	0.512" L x 0.150" W (13.00mm x 3.81mm)	0.740" (18.80mm)	-	0.200" (5.08mm)
0ZCN0030FF2C PTC RESET FUSE 60V 300MA 2016 Bel Fuse Inc.	8,239	-	RFQ	Datasheet	2016 (5041 Metric), Concave	0ZCN	Tape & Reel (TR)	Active	Polymeric	60V	300 mA	600 mA	100 A	3 s	500 mOhms	2.3 Ohms	-	-40°C ~ 85°C	Automotive	AEC-Q200	-	Surface Mount	0.200" L x 0.160" W (5.08mm x 4.07mm)	-	0.045" (1.15mm)	-
2920L075DR PTC RESET FUSE 30V 750MA 2920 Littelfuse Inc.	6,995	-	RFQ	Datasheet	2920 (7351 Metric), Concave	POLY-FUSE®, 2920L	Tape & Reel (TR)	Active	Polymeric	30V	750 mA	1.5 A	40 A	300 ms	350 mOhms	1 Ohms	-	-40°C ~ 85°C	-	-	-	Surface Mount	0.289" L x 0.202" W (7.35mm x 5.12mm)	-	0.049" (1.25mm)	-
RHEF050-2 PTC RESET FUSE 30V 500MA RADIAL Littelfuse Inc.	5,631	-	RFQ	Datasheet	Radial, Disc	PolySwitch®, RHEF	Tape & Reel (TR)	Active	Polymeric	30V	500 mA	920 mA	40 A	2.5 s	480 mOhms	1.1 Ohms	-	-40°C ~ 125°C	-	-	-	Through Hole	0.291" Dia x 0.118" T (7.40mm x 3.00mm)	0.500" (12.70mm)	-	0.199" (5.05mm)
SRP175F PTC RESET FUSE 15V 1.75A STRAP Littelfuse Inc.	2,649	-	RFQ	Datasheet	Strap	PolySwitch®, SRP	Bulk	Active	Polymeric	15V	1.75 A	3.8 A	100 A	5 s	50 mOhms	120 mOhms	-	-40°C ~ 85°C	-	-	-	User Defined	0.866" L x 0.199" W (22.00mm x 5.05mm)	-	0.039" (1.00mm)	-
LVR008NS PTC RESET FUSE 240V 80MA RADIAL Littelfuse Inc.	2,256	-	RFQ	Datasheet	Radial, Disc	PolySwitch®, LVR	Bag	Active	Polymeric	240V (265V Int)	80 mA	190 mA	1.2 A	10 s	7.4 Ohms	26 Ohms	-	-20°C ~ 85°C	-	-	-	Through Hole	0.283" Dia x 0.181" T (7.20mm x 4.60mm)	0.402" (10.20mm)	-	0.200" (5.08mm)
LVR008NK PTC RESET FUSE 240V 80MA RADIAL Littelfuse Inc.	2,210	-	RFQ	Datasheet	Radial, Disc	PolySwitch®, LVR	Bag	Active	Polymeric	240V (265V Int)	80 mA	190 mA	1.2 A	10 s	7.4 Ohms	26 Ohms	-	-20°C ~ 85°C	-	-	-	Through Hole	0.283" Dia x 0.181" T (7.20mm x 4.60mm)	0.488" (12.40mm)	-	0.200" (5.08mm)
SMD125F-2 PTC RESET FUSE 15V 1.25A 2SMD Littelfuse Inc.	34,570	-	RFQ	Datasheet	2-SMD	PolySwitch®, SMD	Tape & Reel (TR)	Active	Polymeric	15V	1.25 A	2.5 A	40 A	2 s	70 mOhms	-	-	-40°C ~ 85°C	-	-	-	Surface Mount	0.290" L x 0.202" W (7.36mm x 5.12mm)	-	0.118" (3.00mm)	-
0ZRB0600FF1A PTC RESET FUSE 30V 6A RADIAL Bel Fuse Inc.	15,831	-	RFQ	Datasheet	Radial, Disc	0ZRB	Box	Active	Polymeric	30V	6 A	12 A	40 A	16 s	5 mOhms	40 mOhms	-	-40°C ~ 85°C	Automotive	AEC-Q200	-	Through Hole	0.650" L x 0.118" W (16.50mm x 3.00mm)	0.980" (24.90mm)	-	0.402" (10.20mm)
CMF-RL10-0 PTC RESET FUSE 220V 150MA RADIAL Bourns Inc.	9,658	-	RFQ	Datasheet	Radial, Disc	CMF-RL	Bulk	Active	Ceramic	220V (600V Int)	150 mA	300 mA	3 A	450 ms	-	-	10 Ohms	-40°C ~ 125°C	-	-	-	Through Hole	0.374" L x 0.177" W (9.50mm x 4.50mm)	0.532" (13.50mm)	-	0.197" (5.00mm)
MF-RX250/72-0 PTC RESET FUSE 72V 2.5A RADIAL Bourns Inc.	7,992	-	RFQ	Datasheet	Radial, Disc	Multifuse®, MF-RX/72	Bulk	Active	Polymeric	72V	2.5 A	5 A	40 A	15.6 s	50 mOhms	130 mOhms	-	-40°C ~ 85°C	-	-	-	Through Hole	0.839" L x 0.122" W (21.30mm x 3.10mm)	1.039" (26.40mm)	-	0.402" (10.20mm)
MF-R600 PTC RESET FUSE 30V 6A RADIAL Bourns Inc.	6,498	-	RFQ	Datasheet	Radial, Disc	Multifuse®, MF-R	Bulk	Active	Polymeric	30V	6 A	12 A	40 A	16 s	5 mOhms	40 mOhms	-	-40°C ~ 85°C	-	-	-	Through Hole	0.760" L x 0.118" W (19.30mm x 3.00mm)	1.256" (31.90mm)	-	0.402" (10.20mm)
MF-USMF075-2 PTC RESET FUSE 6V 750MA 1210 Bourns Inc.	5,649	-	RFQ	Datasheet	1210 (3225 Metric), Concave	Multifuse®, MF-USMF	Tape & Reel (TR)	Active	Polymeric	6V	750 mA	1.5 A	40 A	100 ms	70 mOhms	450 mOhms	-	-40°C ~ 85°C	Automotive	AEC-Q200	-	Surface Mount	0.127" L x 0.102" W (3.22mm x 2.58mm)	-	0.033" (0.85mm)	-
MF-MSMF125-2 PTC RESET FUSE 6V 1.25A 1812 Bourns Inc.	2,545	-	RFQ	Datasheet	1812 (4532 Metric), Concave	Multifuse®, MF-MSMF	Tape & Reel (TR)	Active	Polymeric	6V	1.25 A	2.5 A	100 A	400 ms	35 mOhms	140 mOhms	-	-40°C ~ 85°C	Automotive	AEC-Q200	-	Surface Mount	0.179" L x 0.128" W (4.55mm x 3.24mm)	-	0.033" (0.85mm)	-
SMD300F/15-2 PTC RESET FUSE 15V 3A 2SMD Littelfuse Inc.	14,992	-	RFQ	Datasheet	2-SMD	PolySwitch®, SMD	Tape & Reel (TR)	Active	Polymeric	15V	3 A	6 A	40 A	35 s	15 mOhms	50 mOhms	-	-40°C ~ 85°C	-	-	-	Surface Mount	0.290" L x 0.202" W (7.36mm x 5.12mm)	-	0.118" (3.00mm)	-
2920L125PR PTC RESET FUSE 15V 1.25A 2920 Littelfuse Inc.	9,566	-	RFQ	Datasheet	2920 (7351 Metric), Concave	POLY-FUSE®, 2920L	Tape & Reel (TR)	Active	Polymeric	15V	1.25 A	2.5 A	40 A	2 s	70 mOhms	250 mOhms	-	-40°C ~ 85°C	-	-	-	Surface Mount	0.289" L x 0.202" W (7.35mm x 5.12mm)	-	0.049" (1.25mm)	-
RGEF600 PTC RESET FUSE 16V 6A RADIAL Littelfuse Inc.	4,232	-	RFQ	Datasheet	Radial, Disc	PolySwitch®, RGEF	Bag	Active	Polymeric	16V	6 A	10.2 A	100 A	3.3 s	10 mOhms	28 mOhms	-	-40°C ~ 85°C	-	-	-	Through Hole	0.402" L x 0.098" W (10.20mm x 2.50mm)	0.673" (17.10mm)	-	0.199" (5.05mm)

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