PTC Resettable Fuses

Explore PTC Resettable Fuses parts from multiple manufacturers, with model information, availability, datasheets and technical specifications for engineering and purchasing.

For parts that are not shown in the list, send the manufacturer part number, quantity or BOM to JIEXIN Electronics. Our team can assist with availability checks and quotation support.

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	0.42	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	0.39	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	0.52	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	0.44	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	0.44	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	0.44	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	0.46	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	0.50	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	0.57	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	0.42	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	0.43	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	0.57	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	0.58	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	0.59	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	0.60	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	0.51	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	0.62	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	0.80	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	0.48	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	0.53	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)

FAQ

Frequently Asked Questions

What are PTC Resettable Fuses components used for?

PTC Resettable Fuses components are used in a wide range of electronic equipment and systems. Their exact function depends on the device, circuit design and technical requirements of the application.

How do I choose the right PTC Resettable Fuses part?

Compare the manufacturer part number, key specifications, package type, operating conditions, availability and datasheet information. For replacement projects, always verify the critical electrical and mechanical parameters before selecting an alternative.

Can JIEXIN Electronics help source obsolete or hard-to-find PTC Resettable Fuses parts?

Yes. Send us the required manufacturer part number, quantity or BOM. Our sourcing team can help check stock availability, lead time, alternative sourcing options and quotation details.

How can I request pricing and availability?

Submit the part number, manufacturer and required quantity through our RFQ form. JIEXIN Electronics will review your request and provide available stock, pricing and sourcing information.