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
MF-RX090/72-0 PTC RESET FUSE 72V 900MA RADIAL Bourns Inc.	5,053	-	RFQ	Datasheet	Radial, Disc	Multifuse®, MF-RX/72	Bulk	Active	Polymeric	72V	900 mA	1.8 A	40 A	7.2 s	140 mOhms	470 mOhms	-	-40°C ~ 85°C	-	-	-	Through Hole	0.461" Dia x 0.122" T (11.70mm x 3.10mm)	0.657" (16.70mm)	-	0.201" (5.10mm)
TRF250-110UT PTC RESET FUSE 60V 110MA RADIAL Littelfuse Inc.	3,431	-	RFQ	Datasheet	Radial, Disc	PolySwitch®, TRF250	Bag	Obsolete	Polymeric	60V (250V Int)	110 mA	220 mA	3 A	1.2 s	5 Ohms	16 Ohms	-	-40°C ~ 85°C	-	-	-	Through Hole	0.209" Dia x 0.150" T (5.30mm x 3.80mm)	0.370" (9.40mm)	-	0.197" (5.00mm)
24LT100U PTC RESET FUSE 24V 1A STRAP Littelfuse Inc.	7,995	-	RFQ	Datasheet	Strap	POLY-FUSE®, LT	Bulk	Obsolete	Polymeric	24V	1 A	2.5 A	100 A	7 s	70 mOhms	260 mOhms	-	-40°C ~ 85°C	-	-	-	User Defined	0.866" L x 0.199" W (22.00mm x 5.05mm)	-	0.039" (1.00mm)	-
MF-R025-AP-17 PTC RESETTABLE 0.25A 60V RADIAL Bourns Inc.	3,683	-	RFQ	Datasheet	Radial, Disc	Multifuse®, MF-R	Tape & Box (TB)	Active	Polymeric	60V	250 mA	500 mA	40 A	2.5 s	1 Ohms	3 Ohms	-	-40°C ~ 85°C	Automotive	AEC-Q200	-	Through Hole	0.291" Dia x 0.122" T (7.40mm x 3.10mm)	0.500" (12.70mm)	-	0.201" (5.10mm)
0ZRF0011FF1E PTC RESET FUSE 60V 110MA RADIAL Bel Fuse Inc.	8,429	-	RFQ	Datasheet	Radial, Disc	0ZRF	Box	Active	Polymeric	60V	110 mA	400 mA	3 A	2 s	5 Ohms	16 Ohms	-	-40°C ~ 85°C	-	-	-	Through Hole	0.268" L x 0.181" W (6.80mm x 4.60mm)	0.390" (9.90mm)	-	0.197" (5.00mm)
0ZRF0012FF1E PTC RESET FUSE 60V 120MA RADIAL Bel Fuse Inc.	5,098	-	RFQ	Datasheet	Radial, Disc	0ZRF	Box	Active	Polymeric	60V	120 mA	480 mA	3 A	2 s	4 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)	-	0.197" (5.00mm)
0ZRF0015FF1E PTC RESET FUSE 60V 150MA RADIAL Bel Fuse Inc.	6,203	-	RFQ	Datasheet	Radial, Disc	0ZRF	Box	Active	Polymeric	60V	150 mA	580 mA	3 A	2.5 s	3 Ohms	12 Ohms	-	-40°C ~ 85°C	-	-	-	Through Hole	0.256" L x 0.181" W (6.50mm x 4.60mm)	0.433" (11.00mm)	-	0.197" (5.00mm)
PTR016V0185-TR PTC RESET FUSE 16V 1.85A RADIAL Eaton - Electronics Division	5,721	-	RFQ	Datasheet	Radial, Disc	PTR016V	Tape & Reel (TR)	Active	Polymeric	16V	1.85 A	3.7 A	40 A	10 s	30 mOhms	90 mOhms	-	-40°C ~ 85°C	-	-	-	Through Hole	0.402" L x 0.122" W (10.20mm x 3.10mm)	0.618" (15.70mm)	-	0.197" (5.00mm)
PTR030V0110-TR PTC RESET FUSE 30V 1.1A RADIAL Eaton - Electronics Division	7,998	-	RFQ	Datasheet	Radial, Disc	PTR030V	Tape & Reel (TR)	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)	-	0.197" (5.00mm)
0ZRA0900FF1A PTC RESET FUSE 16V 9A RADIAL Bel Fuse Inc.	4,827	-	RFQ	Datasheet	Radial, Disc	0ZRA	Box	Active	Polymeric	16V	9 A	15.3 A	100 A	12 s	4 mOhms	15 mOhms	-	-40°C ~ 85°C	Automotive	AEC-Q200	-	Through Hole	0.551" L x 0.118" W (14.00mm x 3.00mm)	0.854" (21.70mm)	-	0.201" (5.10mm)
PTGL07BD330N3B51A0 PTC RESET FUSE 32V 60MA RADIAL Murata Electronics	6,141	-	RFQ	Datasheet	Radial, Disc	POSISTOR®, PTGL	Bulk	Obsolete	Ceramic	32V	60 mA	135 mA	1.5 A	-	-	-	33 Ohms	-10°C ~ 60°C	-	-	-	Through Hole	0.291" Dia x 0.157" T (7.40mm x 4.00mm)	0.528" (13.40mm)	-	0.197" (5.00mm)
SRP420 PTC RESET FUSE 30V 4.2A STRAP Littelfuse Inc.	6,225	-	RFQ	Datasheet	Strap	PolySwitch®, SRP	Bulk	Obsolete	Polymeric	30V	4.2 A	7.6 A	100 A	6 s	12 mOhms	40 mOhms	-	-40°C ~ 85°C	-	-	-	User Defined	1.240" L x 0.522" W (31.50mm x 13.25mm)	-	0.043" (1.10mm)	-
PFMF.160.2 PTC RESET FUSE 8V 1.6A 1812 SCHURTER Inc.	2,701	-	RFQ	Datasheet	1812 (4532 Metric), Concave	PFMF	Tape & Reel (TR)	Active	Polymeric	8V	1.6 A	2.8 A	100 A	2 s	35 mOhms	99 mOhms	-	-40°C ~ 85°C	-	-	-	Surface Mount	0.179" L x 0.128" W (4.55mm x 3.24mm)	-	0.033" (0.85mm)	-
15LR190U PTC RESET FUSE 15V 1.9A STRAP Littelfuse Inc.	8,831	-	RFQ	Datasheet	Strap	POLY-FUSE®, LR	Bulk	Obsolete	Polymeric	15V	1.9 A	3.9 A	100 A	5 s	39 mOhms	102 mOhms	-	-40°C ~ 85°C	-	-	-	User Defined	0.827" L x 0.205" W (21.00mm x 5.20mm)	-	0.039" (1.00mm)	-
MF-RX040/72-AP PTC RESET FUSE 72V 400MA RADIAL Bourns Inc.	2,054	-	RFQ	Datasheet	Radial, Disc	MF-RX/72	Tape & Box (TB)	Active	-	72V	400 mA	800 mA	40 A	3.9 s	-	-	-	-	-	-	-	Through Hole	0.291" Dia x 0.122" W (7.40mm x 3.10mm)	-	-	0.201" (5.10mm)
MF-RX065/72-AP PTC RESET FUSE 72V 650MA RADIAL Bourns Inc.	5,777	-	RFQ	Datasheet	Radial, Disc	MF-RX/72	Tape & Box (TB)	Active	-	72V	650 mA	1.3 A	40 A	5.3 s	-	-	-	-	-	-	-	Through Hole	0.382" Dia x 0.122" W (9.70mm x 3.10mm)	0.598" (15.20mm)	-	0.201" (5.10mm)
MF-RX075/72-AP PTC RESET FUSE 72V 750MA RADIAL Bourns Inc.	4,725	-	RFQ	Datasheet	Radial, Disc	MF-RX/72	Tape & Box (TB)	Active	-	72V	750 mA	1.5 A	40 A	6.3 s	-	-	-	-	-	-	-	Through Hole	0.409" Dia x 0.122" W (10.40mm x 3.10mm)	0.630" (16.00mm)	-	0.201" (5.10mm)
MF-RX090/72-AP PTC RESET FUSE 72V 900MA RADIAL Bourns Inc.	4,292	-	RFQ	Datasheet	Radial, Disc	MF-RX/72	Tape & Box (TB)	Active	-	72V	900 mA	1.8 A	40 A	7.2 s	-	-	-	-	-	-	-	Through Hole	0.461" Dia x 0.122" W (11.70mm x 3.10mm)	0.657" (16.70mm)	-	0.201" (5.10mm)
MF-RX110/72-AP PTC RESET FUSE 72V 1.1A RADIAL Bourns Inc.	5,284	-	RFQ	Datasheet	Radial, Disc	Multifuse®, MF-RX/72	Tape & Box (TB)	Active	Polymeric	72V	1.1 A	2.2 A	40 A	8.2 s	150 mOhms	380 mOhms	-	-40°C ~ 85°C	-	-	-	Through Hole	0.427" L x 0.122" W (10.84mm x 3.10mm)	0.662" (16.84mm)	-	0.201" (5.10mm)
MF-RX135/72-AP PTC RESET FUSE 72V 1.35A RADIAL Bourns Inc.	3,548	-	RFQ	Datasheet	Radial, Disc	Multifuse®, MF-RX/72	Tape & Box (TB)	Active	Polymeric	72V	1.35 A	2.7 A	40 A	9.6 s	120 mOhms	300 mOhms	-	-40°C ~ 85°C	-	-	-	Through Hole	0.483" L x 0.122" W (12.26mm x 3.10mm)	0.718" (18.26mm)	-	0.201" (5.10mm)

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.