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.

For BOM, shortage or hard-to-find requirements, send your part number and quantity to Winsun (HK) Electronics for availability, lead-time and quotation support.

Compare Part Numbers Review available models and manufacturers

Datasheets & Specifications Access technical references quickly

RFQ & BOM Support Send quantities for sourcing and quotation

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
1812L260/16MR PTC RESET FUSE 16V 2.6A 1812 Littelfuse Inc.	8,508	-	RFQ	Datasheet	1812 (4532 Metric), Concave	POLY-FUSE®, 1812L	Tape & Reel (TR)	Active	Polymeric	16V	2.6 A	5 A	100 A	5 s	15 mOhms	50 mOhms	-	-40°C ~ 85°C	-	-	-	Surface Mount	0.186" L x 0.131" W (4.72mm x 3.33mm)	-	0.079" (2.00mm)	-
PTCCL07H111HBE PTC RESET FUSE 265V 110MA RADIAL Vishay Beyschlag/Draloric/BC Components	341	-	RFQ	Datasheet	Radial, Disc	PTCCL - 265V	Bulk	Active	Ceramic	265V	110 mA	165 mA	650 mA	-	-	-	48 Ohms	0°C ~ 70°C	-	-	-	Through Hole	0.276" Dia x 0.217" T (7.00mm x 5.50mm)	0.472" (12.00mm)	-	0.197" (5.00mm)
NANOASMDCH035F/30-2 PTC RESET FUSE 30V 350MA 1206 Littelfuse Inc.	8,431	-	RFQ	Datasheet	1206 (3216 Metric), Concave	PolySwitch®, ASMD	Tape & Reel (TR)	Active	Polymeric	30V	350 mA	1.75 A	20 A	200 ms	400 mOhms	2.2 Ohms	-	-40°C ~ 125°C	Automotive	AEC-Q200	-	Surface Mount	0.126" L x 0.062" W (3.20mm x 1.58mm)	-	0.045" (1.14mm)	-
3425L300/36MR 3425L PPTC Littelfuse Inc.	4,218	-	RFQ	Datasheet	Nonstandard SMD	3425L	Tape & Reel (TR)	Active	Polymeric	36V	3 A	6 A	20 A	20 s	10 mOhms	60 mOhms	-	-40°C ~ 85°C	-	-	-	Surface Mount	0.341" L x 0.250" W (8.65mm x 6.35mm)	-	0.055" (1.40mm)	-
3425L200/60MR 3425L PPTC Littelfuse Inc.	2,134	-	RFQ	Datasheet	Nonstandard SMD	3425L	Tape & Reel (TR)	Active	Polymeric	60V	2 A	4 A	20 A	10 s	40 mOhms	200 mOhms	-	-40°C ~ 85°C	-	-	-	Surface Mount	0.341" L x 0.250" W (8.65mm x 6.35mm)	-	0.071" (1.80mm)	-
B59607A0120A062 PTC RESET FUSE 30V 70MA 1210 EPCOS - TDK Electronics	10,411	-	RFQ	Datasheet	1210 (3225 Metric)	B59607	Tape & Reel (TR)	Active	Ceramic	30V	70 mA	130 mA	400 mA	-	-	-	55 Ohms	-20°C ~ 85°C	Automotive	AEC-Q200	-	Surface Mount	0.126" L x 0.098" W (3.20mm x 2.50mm)	-	0.071" (1.80mm)	-
B59907A0120A062 PTC RESET FUSE 400V 12MA 1210 EPCOS - TDK Electronics	10,242	-	RFQ	Datasheet	1210 (3225 Metric)	B59907	Tape & Reel (TR)	Active	Ceramic	400V	12 mA	22 mA	150 mA	-	640 Ohms	1.5 kOhms	-	-40°C ~ 125°C	Automotive	AEC-Q200	-	Surface Mount	0.126" L x 0.098" W (3.20mm x 2.50mm)	-	0.071" (1.80mm)	-
LR4-450F PTC RESET FUSE 20V 4.5A STRAP Littelfuse Inc.	6,004	-	RFQ	Datasheet	Strap	PolySwitch®, LR4	Bag	Active	Polymeric	20V	4.5 A	8.9 A	100 A	5 s	11 mOhms	28 mOhms	-	-40°C ~ 85°C	-	-	-	User Defined	0.984" L x 0.413" W (25.00mm x 10.50mm)	-	0.039" (1.00mm)	-
B59707A0120A062 PTC RESET FUSE 80V 50MA 1210 EPCOS - TDK Electronics	32,036	-	RFQ	Datasheet	1210 (3225 Metric)	B59707	Tape & Reel (TR)	Active	Ceramic	80V	50 mA	90 mA	300 mA	-	-	-	125 Ohms	-20°C ~ 85°C	Automotive	AEC-Q200	-	Surface Mount	0.126" L x 0.098" W (3.20mm x 2.50mm)	-	0.071" (1.80mm)	-
B59807A0090A062 PTC RESET FUSE 265V 15MA 1210 EPCOS - TDK Electronics	21,168	-	RFQ	Datasheet	1210 (3225 Metric)	B59807	Tape & Reel (TR)	Active	Ceramic	265V	15 mA	40 mA	200 mA	-	-	-	400 Ohms	-20°C ~ 85°C	Automotive	AEC-Q200	-	Surface Mount	0.126" L x 0.098" W (3.20mm x 2.50mm)	-	0.071" (1.80mm)	-
NANOSMDCH030F/24-02 PTC RESET FUSE 24V 300MA 1206 Littelfuse Inc.	12,722	-	RFQ	Datasheet	1206 (3216 Metric)	PolySwitch®, nanoSMD	Tape & Reel (TR)	Active	Polymeric	24V	300 mA	820 mA	10 A	100 ms	500 mOhms	1.95 Ohms	-	-40°C ~ 125°C	-	-	-	Surface Mount	0.134" L x 0.071" W (3.40mm x 1.80mm)	-	0.049" (1.25mm)	-
LVR075S-240 PTC RESET FUSE 240V 750MA RADIAL Littelfuse Inc.	6,626	-	RFQ	Datasheet	Radial, Disc	PolySwitch®, LVR	Bulk	Active	Polymeric	240V (265V Int)	750 mA	1.5 A	7.5 A	18 s	316 mOhms	839 mOhms	-	-20°C ~ 85°C	-	-	-	Through Hole	0.450" L x 0.189" W (11.43mm x 4.80mm)	0.921" (23.40mm)	-	0.200" (5.08mm)
MF-LSMF300/24X-2 PTC RESET FUSE 24V 3A 2920 Bourns Inc.	4,389	-	RFQ	Datasheet	2920 (7351 Metric), Concave	Multifuse®, MF-LSMF	Tape & Reel (TR)	Active	Polymeric	24V	3 A	5.2 A	20 A	5 s	20 mOhms	75 mOhms	-	-40°C ~ 85°C	Automotive	AEC-Q200	-	Surface Mount	0.289" L x 0.202" W (7.36mm x 5.12mm)	-	0.063" (1.60mm)	-
LVR055S PTC RESET FUSE 240V 550MA RADIAL Littelfuse Inc.	1,000	-	RFQ	Datasheet	Radial, Disc	PolySwitch®, LVR	Bulk	Active	Polymeric	240V (265V Int)	550 mA	1.25 A	7 A	26 s	450 mOhms	1.45 Ohms	-	-20°C ~ 85°C	-	-	-	Through Hole	0.551" L x 0.161" W (14.00mm x 4.10mm)	0.854" (21.70mm)	-	0.200" (5.08mm)
RUEF900 PTC RESET FUSE 30V 9A RADIAL Littelfuse Inc.	5,738	-	RFQ	Datasheet	Radial, Disc	PolySwitch®, RUEF	Bag	Active	Polymeric	30V	9 A	18 A	100 A	20 s	5 mOhms	20 mOhms	-	-40°C ~ 85°C	-	-	-	Through Hole	0.949" L x 0.118" W (24.10mm x 3.00mm)	1.142" (29.00mm)	-	0.400" (10.15mm)
RXEF375 PTC RESET FUSE 72V 3.75A RADIAL Littelfuse Inc.	790	-	RFQ	Datasheet	Radial, Disc	PolySwitch®, RXEF	Bag	Active	Polymeric	72V	3.75 A	7.5 A	40 A	24 s	30 mOhms	80 mOhms	-	-40°C ~ 85°C	-	-	-	Through Hole	1.071" Dia x 0.118" T (27.20mm x 3.00mm)	1.252" (31.80mm)	-	0.400" (10.15mm)
0805L075SLYR PTC RESET FUSE 6V 750MA 0805 Littelfuse Inc.	23,696	-	RFQ	Datasheet	0805 (2012 Metric), Concave	POLY-FUSE®, LoRho	Tape & Reel (TR)	Active	Polymeric	6V	750 mA	1.5 A	50 A	200 ms	40 mOhms	160 mOhms	-	-40°C ~ 85°C	-	-	-	Surface Mount	0.083" L x 0.053" W (2.10mm x 1.35mm)	-	0.030" (0.75mm)	-
AHEF500 PTC RESET FUSE 32V 5A RADIAL Littelfuse Inc.	2,201	-	RFQ	Datasheet	Radial, Disc	PolySwitch®, AHEF	Bag	Active	Polymeric	32V	5 A	10 A	100 A	9 s	15 mOhms	40 mOhms	-	-40°C ~ 125°C	Automotive	AEC-Q200	-	Through Hole	0.551" L x 0.150" W (14.00mm x 3.80mm)	0.949" (24.10mm)	-	0.199" (5.05mm)
RKEF500 PTC RESET FUSE 60V 5A RADIAL Littelfuse Inc.	11,046	-	RFQ	Datasheet	Radial, Disc	PolySwitch®, RKEF	Bag	Active	Polymeric	60V	5 A	10 A	40 A	28 s	12 mOhms	50 mOhms	-	-40°C ~ 85°C	-	-	-	Through Hole	0.949" L x 0.118" W (24.10mm x 3.00mm)	1.142" (29.00mm)	-	0.400" (10.15mm)
MF-FSML035/8-2 PTC RESET FUSE 8V 350MA 0603 Bourns Inc.	5,221	-	RFQ	Datasheet	0603 (1608 Metric), Concave	Multifuse®, MF-FSML	Tape & Reel (TR)	Active	Polymeric	8V	350 mA	750 mA	50 A	10 ms	80 mOhms	1 Ohms	-	-40°C ~ 85°C	-	-	-	Surface Mount	0.065" L x 0.033" W (1.65mm x 0.85mm)	-	0.028" (0.70mm)	-

WINSUN SOURCING SUPPORT

Need PTC Resettable Fuses Sourcing Support?

Send the manufacturer, part number, quantity and target delivery requirement. Winsun (HK) Electronics can assist with availability checks, quotation support, shortage sourcing and hard-to-find or obsolete components.

Global component sourcing support BOM, shortage and EOL support

Send part number & quantity Request a Quote

Need sourcing assistance? Contact Sales

FREQUENTLY ASKED QUESTIONS

PTC Resettable Fuses FAQ

Common questions about selecting, comparing and sourcing PTC Resettable Fuses components through Winsun (HK) Electronics.

What should I check when selecting PTC Resettable Fuses components?

Compare the manufacturer part number, electrical specifications, package, operating conditions and application requirements. The product datasheet should be used to confirm technical suitability.

Can Winsun help source specific PTC Resettable Fuses part numbers?

Yes. Send the exact part number, manufacturer and required quantity. Winsun (HK) Electronics can assist with availability checks, quotation support and sourcing options based on your requirement.

Do you support shortage, obsolete or hard-to-find PTC Resettable Fuses parts?

Yes. Our sourcing team can review shortage and obsolete-part requirements and help check available supply channels or possible alternatives when appropriate.

How do I request a quote for PTC Resettable Fuses components?

Submit an RFQ with the part number, manufacturer, quantity and target delivery requirement. Our sales team will review your request and follow up with current sourcing information.