PTC Resettable Fuses

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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
600R150F PTC RESET FUSE 60V 150MA RADIAL Littelfuse Inc.	762	-	RFQ	Datasheet	Radial, Disc	POLY-FUSE®, 600R	Bulk	Active	Polymeric	60V (600V Int)	150 mA	300 mA	3 A	4 s	6 Ohms	17 Ohms	-	-40°C ~ 85°C	-	-	-	Through Hole	0.354" L x 0.181" W (9.00mm x 4.60mm)	0.492" (12.50mm)	-	0.201" (5.10mm)
600R150ZR PTC RESET FUSE 60V 150MA RADIAL Littelfuse Inc.	2,488	-	RFQ	Datasheet	Radial, Disc	POLY-FUSE®, 600R	Cut Tape (CT)	Active	Polymeric	60V (600V Int)	150 mA	300 mA	3 A	4 s	6 Ohms	17 Ohms	-	-40°C ~ 85°C	-	-	-	Through Hole	0.354" L x 0.181" W (9.00mm x 4.60mm)	0.492" (12.50mm)	-	0.201" (5.10mm)
RGEF1200 PTC RESET FUSE 16V 12A RADIAL Littelfuse Inc.	1,494	-	RFQ	Datasheet	Radial, Disc	PolySwitch®, RGEF	Bag	Active	Polymeric	16V	12 A	20.4 A	100 A	7.5 s	3.3 mOhms	8.6 mOhms	-	-40°C ~ 85°C	-	-	-	Through Hole	0.670" L x 0.520" W (16.95mm x 2.90mm)	1.102" (28.00mm)	-	0.400" (10.15mm)
RUEF800-2 PTC RESET FUSE 30V 8A RADIAL Littelfuse Inc.	12,184	-	RFQ	Datasheet	Radial, Disc	PolySwitch®, RUEF	Tape & Reel (TR)	Active	Polymeric	30V	8 A	16 A	100 A	18.8 s	5 mOhms	20 mOhms	-	-40°C ~ 85°C	-	-	-	Through Hole	0.850" L x 0.118" W (21.60mm x 3.00mm)	1.118" (28.40mm)	-	0.400" (10.15mm)
30R600UF PTC RESET FUSE 30V 6A RADIAL Littelfuse Inc.	5,637	-	RFQ	Datasheet	Radial, Disc	POLY-FUSE®, 30R	Bulk	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)
2920L260/33DR POLYSWITCH RESETTABLE PPTC Littelfuse Inc.	754	-	RFQ	Datasheet	2920 (7351 Metric), Concave	POLY-FUSE®, 2920L	Tape & Reel (TR)	Active	Polymeric	33V	2.6 A	5 A	40 A	15 s	20 mOhms	75 mOhms	-	-40°C ~ 85°C	-	-	-	Surface Mount	0.290" L x 0.202" W (7.36mm x 5.12mm)	-	0.071" (1.80mm)	-
FEMTOASMDC010F/15-2 PTC RESET FUSE 15V 100MA 0603 Littelfuse Inc.	783	-	RFQ	Datasheet	0603 (1608 Metric)	PolySwitch®, femtoASMD	Tape & Reel (TR)	Active	Polymeric	15V	100 mA	300 mA	10 A	100 ms	2 Ohms	14 Ohms	-	-	Automotive	AEC-Q200	AEC-Q200	Surface Mount	0.063" L x 0.032" W (1.60mm x 0.80mm)	-	0.033" (0.85mm)	-
60R135XF PTC RESET FUSE 60V 1.35A RADIAL Littelfuse Inc.	547	-	RFQ	Datasheet	Radial, Disc	POLY-FUSE®, 60R	Bulk	Active	Polymeric	60V	1.35 A	2.7 A	40 A	9.6 s	120 mOhms	300 mOhms	-	-40°C ~ 85°C	-	-	-	Through Hole	0.535" Dia x 0.122" T (13.58mm x 3.10mm)	0.780" (19.80mm)	-	0.201" (5.10mm)
FEMTOSMDC020F-2 PTC RESET FUSE 9V 200MA 0603 Littelfuse Inc.	41,618	-	RFQ	Datasheet	0603 (1608 Metric), Concave	PolySwitch®, femtoSMDC	Tape & Reel (TR)	Active	Polymeric	9V	200 mA	450 mA	40 A	100 ms	700 mOhms	3 Ohms	-	-	-	-	-	Surface Mount	0.063" L x 0.032" W (1.60mm x 0.80mm)	-	0.030" (0.75mm)	-
72R160XF PTC RESET FUSE 72V 1.6A RADIAL Littelfuse Inc.	11,096	-	RFQ	Datasheet	Radial, Disc	POLY-FUSE®, 72R	Bulk	Active	Polymeric	72V	1.6 A	3.2 A	40 A	11.4 s	90 mOhms	220 mOhms	-	-40°C ~ 85°C	-	-	-	Through Hole	0.600" Dia x 0.122" T (15.24mm x 3.10mm)	0.850" (21.60mm)	-	0.201" (5.10mm)

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FREQUENTLY ASKED QUESTIONS

PTC Resettable Fuses FAQ

Common questions about filtering, comparing and sourcing PTC Resettable Fuses components.

How can I narrow the PTC Resettable Fuses selection?

Use the available manufacturer and technical parameter filters to reduce the product list. Compare the remaining part numbers against your electrical, package and application requirements.

Should I confirm the datasheet before selecting a part?

Yes. Always review the manufacturer datasheet to confirm ratings, package, operating conditions and other technical details before finalizing a component for your design.

Can Winsun (HK) Electronics help source a specific PTC Resettable Fuses part number?

Yes. Send the exact manufacturer part number and required quantity for availability, lead-time and quotation support.

Do you support BOM, shortage or alternative-part requirements?

Yes. You can submit a BOM or shortage list for sourcing assistance. Where appropriate, our team can also help review possible alternative-part options.