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
RGEF1000 PTC RESET FUSE 16V 10A RADIAL Littelfuse Inc.	1,520	-	RFQ	Datasheet	Radial, Disc	PolySwitch®, RGEF	Bag	Active	Polymeric	16V	10 A	17 A	100 A	6 s	4 mOhms	10.2 mOhms	-	-40°C ~ 85°C	-	-	-	Through Hole	0.630" L x 0.098" W (16.00mm x 2.50mm)	0.992" (25.20mm)	-	0.199" (5.05mm)
0805L002YR POLYSWITCH RESETTABLE PPTC Littelfuse Inc.	3,774	-	RFQ	Datasheet	0805 (2012 Metric), Concave	POLY-FUSE®, 0805L	Tape & Reel (TR)	Active	Polymeric	63V	20 mA	60 mA	40 A	1.5 s	12 Ohms	70 Ohms	-	-40°C ~ 85°C	-	-	-	Surface Mount	0.083" L x 0.053" W (2.10mm x 1.35mm)	-	0.049" (1.25mm)	-
1210L200PR PTC RESET FUSE 6V 2A 1210 Littelfuse Inc.	3,468	-	RFQ	Datasheet	1210 (3225 Metric), Concave	POLY-FUSE®, 1210L	Tape & Reel (TR)	Active	Polymeric	6V	2 A	4 A	100 A	1 s	15 mOhms	70 mOhms	-	-40°C ~ 85°C	-	-	-	Surface Mount	0.127" L x 0.102" W (3.22mm x 2.58mm)	-	0.063" (1.60mm)	-
30R400UMR PTC RESET FUSE 30V 4A RADIAL Littelfuse Inc.	79,066	-	RFQ	Datasheet	Radial, Disc	POLY-FUSE®, 30R	Cut Tape (CT)	Active	Polymeric	30V	4 A	8 A	40 A	12.7 s	10 mOhms	50 mOhms	-	-40°C ~ 85°C	-	-	-	Through Hole	0.551" L x 0.118" W (14.00mm x 3.00mm)	0.866" (22.00mm)	-	0.201" (5.10mm)
RUEF700-2 PTC RESET FUSE 30V 7A RADIAL Littelfuse Inc.	2,449	-	RFQ	Datasheet	Radial, Disc	PolySwitch®, RUEF	Tape & Reel (TR)	Active	Polymeric	30V	7 A	14 A	100 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)	1.020" (25.90mm)	-	0.400" (10.15mm)
1206L010/60WR-A PTC RESET FUSE 60V 100MA 1206 Littelfuse Inc.	21,651	-	RFQ	Datasheet	1206 (3216 Metric), Concave	POLY-FUSE®, 1206L	Tape & Reel (TR)	Active	Polymeric	60V	100 mA	250 mA	10 A	1.5 s	1.5 Ohms	10 Ohms	-	-40°C ~ 85°C	Automotive	AEC-Q200	-	Surface Mount	0.126" L x 0.065" W (3.20mm x 1.65mm)	-	0.049" (1.25mm)	-
RUEF800 PTC RESET FUSE 30V 8A RADIAL Littelfuse Inc.	709	-	RFQ	Datasheet	Radial, Disc	PolySwitch®, RUEF	Bag	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)
LR4-380F PTC RESET FUSE 15V 3.8A STRAP Littelfuse Inc.	1,358	-	RFQ	Datasheet	Strap	PolySwitch®, LR4	Bag	Active	Polymeric	15V	3.8 A	8.3 A	100 A	5 s	13 mOhms	37 mOhms	-	-40°C ~ 85°C	-	-	-	User Defined	0.984" L x 0.283" W (25.00mm x 7.20mm)	-	0.039" (1.00mm)	-
TRF600-150-2 PTC RESET FUSE 250V 150MA RADIAL Littelfuse Inc.	6,359	-	RFQ	Datasheet	Radial, Disc	PolySwitch®, TRF600	Tape & Reel (TR)	Active	Polymeric	250V (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)	-	0.197" (5.00mm)
1210L075/24PR-A PTC RESET FUSE 24V 750MA 1210 Littelfuse Inc.	1,461	-	RFQ	Datasheet	1210 (3225 Metric), Concave	POLY-FUSE®, 1210L	Tape & Reel (TR)	Active	Polymeric	24V	750 mA	1.5 A	100 A	100 ms	130 mOhms	400 mOhms	-	-40°C ~ 85°C	-	-	-	Surface Mount	0.127" L x 0.102" W (3.22mm x 2.58mm)	-	0.071" (1.80mm)	-

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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.