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
0ZRR0090FF1E PTC RESET FUSE 60V 900MA RADIAL Bel Fuse Inc.	370	-	RFQ	Datasheet	Radial, Disc	0ZRR	Bulk	Active	Polymeric	60V	900 mA	1.8 A	40 A	7.2 s	200 mOhms	470 mOhms	-	-40°C ~ 85°C	Automotive	AEC-Q200	-	Through Hole	0.461" Dia x 0.122" T (11.70mm x 3.10mm)	0.622" (15.80mm)	-	0.201" (5.10mm)
PTR016V0110-BK PTC RESET FUSE 16V 1.1A RADIAL Eaton - Electronics Division	682	-	RFQ	Datasheet	Radial, Disc	PTR016V	Bulk	Active	Polymeric	16V	1.1 A	2.2 A	40 A	2.3 s	50 mOhms	140 mOhms	-	-40°C ~ 85°C	-	-	-	Through Hole	0.291" L x 0.122" W (7.40mm x 3.10mm)	0.559" (14.20mm)	-	0.197" (5.00mm)
RUEF250S PTC RESET FUSE 30V 2.5A RADIAL Littelfuse Inc.	227	-	RFQ	Datasheet	Radial, Disc	PolySwitch®, RUEF	Bag	Active	Polymeric	30V	2.5 A	5 A	100 A	10.3 s	20 mOhms	70 mOhms	-	-40°C ~ 85°C	-	-	-	Through Hole	0.449" L x 0.118" W (11.40mm x 3.00mm)	0.720" (18.30mm)	-	0.199" (5.05mm)
0ZRG0135FF1E PTC RESET FUSE 30V 1.35A RADIAL Bel Fuse Inc.	976	-	RFQ	Datasheet	Radial, Disc	0ZRG	Bulk	Active	Polymeric	30V	1.35 A	2.7 A	40 A	4.5 s	40 mOhms	120 mOhms	-	-40°C ~ 85°C	Automotive	AEC-Q200	-	Through Hole	0.350" L x 0.118" W (8.90mm x 3.00mm)	0.532" (13.50mm)	-	0.201" (5.10mm)
0ZRG0155FF1E PTC RESET FUSE 30V 1.55A RADIAL Bel Fuse Inc.	925	-	RFQ	Datasheet	Radial, Disc	0ZRG	Bulk	Active	Polymeric	30V	1.55 A	2.7 A	40 A	2.2 s	30 mOhms	120 mOhms	-	-40°C ~ 85°C	Automotive	AEC-Q200	-	Through Hole	0.272" Dia x 0.118" T (6.90mm x 3.00mm)	0.461" (11.70mm)	-	0.201" (5.10mm)
BK250-400-SZ PTC RESET FUSE 250V 400MA RAD YAGEO	240	-	RFQ	Datasheet	Radial, Disc	BK250	Bulk	Active	Polymeric	250V	400 mA	800 mA	10 A	9 s	1 Ohms	3 Ohms	-	-40°C ~ 85°C	-	-	-	Through Hole	0.441" L x 0.181" W (11.20mm x 4.60mm)	0.768" (19.50mm)	-	0.201" (5.10mm)
0ZRR0185FF1A PTC RESET FUSE 60V 1.85A RADIAL Bel Fuse Inc.	501	-	RFQ	Datasheet	Radial, Disc	0ZRR	Bulk	Active	Polymeric	60V	1.85 A	3.7 A	40 A	12.6 s	80 mOhms	190 mOhms	-	-40°C ~ 85°C	Automotive	AEC-Q200	-	Through Hole	0.701" Dia x 0.122" T (17.80mm x 3.10mm)	0.902" (22.90mm)	-	0.201" (5.10mm)
RUEF090-AP PTC RESET FUSE 30V 900MA RADIAL Littelfuse Inc.	450	-	RFQ	Datasheet	Radial, Disc	PolySwitch®, RUEF	Cut Tape (CT)	Active	Polymeric	30V	900 mA	1.8 A	100 A	5.9 s	70 mOhms	220 mOhms	-	-40°C ~ 85°C	-	-	-	Through Hole	0.291" L x 0.118" W (7.40mm x 3.00mm)	0.480" (12.20mm)	-	0.199" (5.05mm)
RUEF300U PTC RESET FUSE 30V 3A RADIAL Littelfuse Inc.	443	-	RFQ	Datasheet	Radial, Disc	PolySwitch®, RUEF	Bag	Active	Polymeric	30V	3 A	6 A	100 A	10.8 s	20 mOhms	80 mOhms	-	-40°C ~ 85°C	-	-	-	Through Hole	0.449" L x 0.118" W (11.40mm x 3.00mm)	0.650" (16.50mm)	-	0.199" (5.05mm)
PTSA120660V010 PTC RESET FUSE 100MA 60V 1206 Eaton - Electronics Division	382	-	RFQ	Datasheet	1206 (3216 Metric), Concave	PTSA1206	Tape & Reel (TR)	Active	-	60V	100 mA	250 mA	10 A	200 ms	1.6 Ohms	15 Ohms	-	-40°C ~ 85°C	Automotive	AEC-Q200	-	Surface Mount	0.132" L x 0.067" W (3.35mm x 1.70mm)	-	0.039" (1.00mm)	-
PTSLR08058V450 PTC RESET FUSE 4.5A 8V 1206 Eaton - Electronics Division	325	-	RFQ	Datasheet	0805 (2012 Metric), Concave	PTSLR0805	Tape & Reel (TR)	Active	-	8V	4.5 A	9 A	50 A	60 s	2 mOhms	12 mOhms	-	-40°C ~ 85°C	-	-	-	Surface Mount	0.098" L x 0.063" W (2.50mm x 1.60mm)	-	0.055" (1.40mm)	-
RUEF300K PTC RESET FUSE 30V 3A RADIAL Littelfuse Inc.	4,817	-	RFQ	Datasheet	Radial, Disc	PolySwitch®, RUEF	Bag	Active	Polymeric	30V	3 A	6 A	100 A	10.8 s	20 mOhms	80 mOhms	-	-40°C ~ 85°C	-	-	-	Through Hole	0.449" L x 0.118" W (11.40mm x 3.00mm)	0.710" (18.03mm)	-	0.199" (5.05mm)
RGEF250 PTC RESET FUSE 16V 2.5A RADIAL Littelfuse Inc.	146	-	RFQ	Datasheet	Radial, Disc	PolySwitch®, RGEF	Bag	Active	Polymeric	16V	2.5 A	4.7 A	100 A	5 s	22 mOhms	53 mOhms	-	-40°C ~ 85°C	-	-	-	Through Hole	0.350" L x 0.118" W (8.90mm x 3.00mm)	0.504" (12.80mm)	-	0.199" (5.05mm)
RKEF090 PTC RESET FUSE 60V 900MA RADIAL Littelfuse Inc.	508	-	RFQ	Datasheet	Radial, Disc	PolySwitch®, RKEF	Bag	Active	Polymeric	60V	900 mA	1.8 A	40 A	2 s	190 mOhms	520 mOhms	-	-40°C ~ 85°C	-	-	-	Through Hole	0.310" L x 0.140" W (7.87mm x 3.56mm)	0.550" (13.97mm)	-	0.200" (5.08mm)
RUEF300K-AP PTC RESET FUSE 30V 3A RADIAL Littelfuse Inc.	2,000	-	RFQ	Datasheet	Radial, Disc	PolySwitch®, RUEF	Cut Tape (CT)	Active	Polymeric	30V	3 A	6 A	100 A	10.8 s	20 mOhms	80 mOhms	-	-40°C ~ 85°C	-	-	-	Through Hole	0.449" L x 0.118" W (11.40mm x 3.00mm)	0.650" (16.50mm)	-	0.199" (5.05mm)
30R135UU PTC RESET FUSE 30V 1.35A RADIAL Littelfuse Inc.	170	-	RFQ	Datasheet	Radial, Disc	POLY-FUSE®, 30R	Bulk	Active	Polymeric	30V	1.35 A	2.7 A	40 A	7.3 s	40 mOhms	130 mOhms	-	-40°C ~ 85°C	-	-	-	Through Hole	0.350" L x 0.118" W (8.90mm x 3.00mm)	0.532" (13.50mm)	-	0.201" (5.10mm)
RUSBF250 PTC RESET FUSE 16V 2.5A RADIAL Littelfuse Inc.	325	-	RFQ	Datasheet	Radial, Disc	PolySwitch®, RUSBF	Bag	Active	Polymeric	16V	2.5 A	5 A	40 A	40 s	20 mOhms	60 mOhms	-	-40°C ~ 85°C	-	-	-	Through Hole	0.449" L x 0.118" W (11.40mm x 3.00mm)	0.720" (18.30mm)	-	0.118" (3.00mm)
AHRF200 PTC RESET FUSE 16V 2A RADIAL Littelfuse Inc.	322	-	RFQ	Datasheet	Radial, Disc	PolySwitch®, AHRF	Bag	Active	Polymeric	16V	2 A	3.8 A	100 A	4.8 s	39 mOhms	110 mOhms	-	-40°C ~ 125°C	Automotive	AEC-Q200	-	Through Hole	0.370" Dia x 0.118" T (9.40mm x 3.00mm)	0.567" (14.40mm)	-	0.199" (5.05mm)
PTSAHT120624V050 PTC RESET FUSE 500MA 24V 1206 Eaton - Electronics Division	388	-	RFQ	Datasheet	1206 (3216 Metric), Concave	PTSAHT1206	Tape & Reel (TR)	Active	-	24V	500 mA	2.5 A	20 A	100 ms	200 mOhms	1.6 Ohms	-	-40°C ~ 125°C	Automotive	AEC-Q200	-	Surface Mount	0.132" L x 0.067" W (3.35mm x 1.70mm)	-	0.057" (1.46mm)	-
0ZRM0040FF1E PTC RESET FUSE 120V 400MA RADIAL Bel Fuse Inc.	177	-	RFQ	Datasheet	Radial, Disc	0ZRM	Box	Active	Polymeric	120V	400 mA	800 mA	3 A	6.5 s	550 mOhms	1.29 Ohms	-	-40°C ~ 85°C	Automotive	AEC-Q200	-	Through Hole	0.323" Dia x 0.150" T (8.20mm x 3.80mm)	0.559" (14.20mm)	-	0.201" (5.10mm)

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