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
B59850C0130A070 PTC RESET FUSE 265V 200MA RADIAL EPCOS - TDK Electronics	2,142	-	RFQ	Datasheet	Radial, Disc	-	Bulk	Active	Ceramic	265V	200 mA	320 mA	1.5 A	-	-	-	13 Ohms	0°C ~ 60°C	-	-	-	Through Hole	0.433" Dia x 0.197" T (11.00mm x 5.00mm)	0.571" (14.50mm)	-	0.197" (5.00mm)
B59773B0120A070 PTC RESET FUSE 550V RADIAL DISC EPCOS - TDK Electronics	371	-	RFQ	Datasheet	Radial, Disc	B59773	Bulk	Active	Ceramic	550V	-	48 mA	1 A	3 s	-	-	500 Ohms	0°C ~ 60°C	-	-	-	Through Hole	0.335" Dia x 0.276" T (8.50mm x 7.00mm)	0.197" (5.00mm)	-	0.197" (5.00mm)
RHEF1500 PTC RESET FUSE 16V 15A RADIAL Littelfuse Inc.	609	-	RFQ	Datasheet	Radial, Disc	PolySwitch®, RHEF	Bag	Active	Polymeric	16V	15 A	28 A	100 A	20 s	3.2 mOhms	9.2 mOhms	-	-40°C ~ 125°C	-	-	-	Through Hole	0.925" L x 0.142" W (23.50mm x 3.60mm)	1.130" (28.70mm)	-	0.400" (10.15mm)
30R600UMR PTC RESET FUSE 30V 6A RADIAL Littelfuse Inc.	3,214	-	RFQ	Datasheet	Radial, Disc	POLY-FUSE®, 30R	Cut Tape (CT)	Active	Polymeric	30V	6 A	12 A	40 A	16 s	5 mOhms	40 mOhms	-	-40°C ~ 85°C	-	-	-	Through Hole	0.650" L x 0.118" W (16.50mm x 3.00mm)	1.055" (26.80mm)	-	0.402" (10.20mm)
B59860C0120A070 PTC RESET FUSE 265V 140MA RADIAL EPCOS - TDK Electronics	1,298	-	RFQ	Datasheet	Radial, Disc	-	Bulk	Active	Ceramic	265V	140 mA	280 mA	1.5 A	-	-	-	15 Ohms	0°C ~ 60°C	-	-	-	Through Hole	0.433" Dia x 0.197" T (11.00mm x 5.00mm)	0.571" (14.50mm)	-	0.197" (5.00mm)
B59950C0120A070 PTC RESET FUSE 80V 320MA RADIAL EPCOS - TDK Electronics	1,265	-	RFQ	Datasheet	Radial, Disc	B59950	Bulk	Active	Ceramic	80V	320 mA	640 mA	5.5 A	-	-	-	3.7 Ohms	-40°C ~ 125°C	-	-	-	Through Hole	0.532" Dia x 0.138" T (13.50mm x 3.50mm)	0.669" (17.00mm)	-	0.197" (5.00mm)
LR4-900F PTC RESET FUSE 20V 9A STRAP Littelfuse Inc.	23,986	-	RFQ	Datasheet	Strap	PolySwitch®, LR4	Bag	Active	Polymeric	20V	9 A	16.7 A	100 A	5 s	6 mOhms	14 mOhms	-	-40°C ~ 85°C	-	-	-	User Defined	1.831" L x 0.323" W (46.50mm x 8.20mm)	-	0.039" (1.00mm)	-
B59301P1120A062 PTC RESET FUSE 24V 310MA 4032 EPCOS - TDK Electronics	1,915	-	RFQ	Datasheet	4032 (1080 Metric)	B59301	Tape & Reel (TR)	Active	Ceramic	24V	310 mA	640 mA	1.6 A	-	1.85 Ohms	-	3.1 Ohms	-40°C ~ 60°C	Automotive	AEC-Q200	-	Surface Mount	0.394" L x 0.315" W (10.00mm x 8.00mm)	-	0.150" (3.80mm)	-
60R185XF PTC RESET FUSE 60V 1.85A RADIAL Littelfuse Inc.	1,479	-	RFQ	Datasheet	Radial, Disc	POLY-FUSE®, 60R	Bulk	Active	Polymeric	60V	1.85 A	3.7 A	40 A	12.6 s	80 mOhms	190 mOhms	-	-40°C ~ 85°C	-	-	-	Through Hole	0.660" Dia x 0.122" T (16.76mm x 3.10mm)	0.906" (23.00mm)	-	0.201" (5.10mm)
AHEF750 PTC RESET FUSE 32V 7.5A RADIAL Littelfuse Inc.	1,195	-	RFQ	Datasheet	Radial, Disc	PolySwitch®, AHEF	Bag	Active	Polymeric	32V	7.5 A	15 A	100 A	13 s	7.4 mOhms	23 mOhms	-	-40°C ~ 125°C	Automotive	AEC-Q200	-	Through Hole	0.830" L x 0.150" W (21.10mm x 3.80mm)	0.980" (24.90mm)	-	0.400" (10.15mm)
AHRF1500 PTC RESET FUSE 16V 15A RADIAL Littelfuse Inc.	2,131	-	RFQ	Datasheet	Radial, Disc	PolySwitch®, AHRF	Bulk	Active	Polymeric	16V	15 A	33 A	100 A	20 s	2.7 mOhms	9.2 mOhms	-	-40°C ~ 125°C	Automotive	AEC-Q200	-	Through Hole	0.925" L x 0.138" W (23.50mm x 3.50mm)	1.130" (28.70mm)	-	0.400" (10.15mm)
B59860C0120A051 PTC RESET FUSE 265V 140MA RADIAL EPCOS - TDK Electronics	3,988	-	RFQ	Datasheet	Radial, Disc	-	Tape & Reel (TR)	Active	Ceramic	265V	140 mA	280 mA	1.5 A	-	-	-	15 Ohms	0°C ~ 60°C	-	-	-	Through Hole	0.433" Dia x 0.197" T (11.00mm x 5.00mm)	0.571" (14.50mm)	-	0.197" (5.00mm)
1812L050/60MR-A PTC RESET FUSE 60V 500MA 1812 Littelfuse Inc.	956	-	RFQ	Datasheet	1812 (4532 Metric), Concave	POLY-FUSE®, 1812L	Tape & Reel (TR)	Active	Polymeric	60V	500 mA	1 A	10 A	150 ms	150 mOhms	1 Ohms	-	-40°C ~ 85°C	Automotive	AEC-Q200	-	Surface Mount	0.179" L x 0.128" W (4.55mm x 3.24mm)	-	0.071" (1.80mm)	-
30R700UMR PTC RESET FUSE 30V 7A RADIAL Littelfuse Inc.	1,195	-	RFQ	Datasheet	Radial, Disc	POLY-FUSE®, 30R	Cut Tape (CT)	Active	Polymeric	30V	7 A	14 A	40 A	17.5 s	5 mOhms	30 mOhms	-	-40°C ~ 85°C	-	-	-	Through Hole	0.752" L x 0.118" W (19.10mm x 3.00mm)	1.126" (28.60mm)	-	0.402" (10.20mm)
0ZRS0750FF1A PTC RESET FUSE 32V 7.5A RADIAL Bel Fuse Inc.	9,147	-	RFQ	Datasheet	Radial, Disc	0ZRS	Bulk	Active	Polymeric	32V	7.5 A	15 A	100 A	13 s	7.4 mOhms	23 mOhms	-	-40°C ~ 125°C	Automotive	AEC-Q200	-	Through Hole	0.831" L x 0.150" W (21.10mm x 3.80mm)	0.980" (24.90mm)	-	0.402" (10.20mm)
B59840C0120A070 PTC RESET FUSE 265V 330MA RADIAL EPCOS - TDK Electronics	415	-	RFQ	Datasheet	Radial, Disc	-	Bulk	Active	Ceramic	265V	330 mA	660 mA	4.1 A	-	-	-	6 Ohms	0°C ~ 60°C	-	-	-	Through Hole	0.689" Dia x 0.197" T (17.50mm x 5.00mm)	0.827" (21.00mm)	-	0.197" (5.00mm)
PTCCL10H010SBE PTC RESET FUSE 600V 10MA RADIAL Vishay Beyschlag/Draloric/BC Components	2,185	-	RFQ	Datasheet	Radial, Disc	PTCCL - 600V	Bulk	Active	Ceramic	600V	10 mA	50 mA	2 A	-	-	-	400 Ohms	-20°C ~ 85°C	-	-	-	Through Hole	0.394" Dia x 0.256" T (10.00mm x 6.50mm)	0.532" (13.50mm)	-	0.320" (8.12mm)
MF-LSMF330/24X-2 2920 RESETTABLE SMD PPTC 3.3A/24 Bourns Inc.	527	-	RFQ	Datasheet	2920 (7351 Metric), Concave	Multifuse®, MF-LSMF	Tape & Reel (TR)	Active	Polymeric	24V	3.3 A	-	-	-	-	-	-	-40°C ~ 85°C	Automotive	AEC-Q200	-	Surface Mount	0.290" L x 0.202" W (7.36mm x 5.12mm)	-	-	-
0805L175SLYR PTC RESET FUSE 6V 1.75A 0805 Littelfuse Inc.	11,815	-	RFQ	Datasheet	0805 (2012 Metric), Concave	POLY-FUSE®, LoRho	Tape & Reel (TR)	Active	Polymeric	6V	1.75 A	3.5 A	50 A	600 ms	5 mOhms	55 mOhms	-	-40°C ~ 85°C	-	-	-	Surface Mount	0.083" L x 0.053" W (2.10mm x 1.35mm)	-	0.024" (0.60mm)	-
30R900UMR PTC RESET FUSE 30V 9A RADIAL Littelfuse Inc.	20,550	-	RFQ	Datasheet	Radial, Disc	POLY-FUSE®, 30R	Cut Tape (CT)	Active	Polymeric	30V	9 A	18 A	40 A	20 s	5 mOhms	20 mOhms	-	-40°C ~ 85°C	-	-	-	Through Hole	0.950" L x 0.120" W (24.10mm x 3.00mm)	1.244" (31.60mm)	-	0.402" (10.20mm)

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.