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
0ZRC0300FF1A PTC RESET FUSE 90V 3A RADIAL Bel Fuse Inc.	801	0.63	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	0.84	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	0.62	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	0.68	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	0.80	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	0.76	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	0.66	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	0.00	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	0.80	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	0.74	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	0.87	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	0.81	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	0.82	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	0.00	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	0.53	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	0.81	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	0.00	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	1.37	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	0.80	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	0.84	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)

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.