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
RGEF1000-1 PTC RESET FUSE 16V 10A RADIAL Littelfuse Inc.	225	-	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	0.650" L x 0.098" W (16.50mm x 2.50mm)	0.992" (25.20mm)	-	0.199" (5.05mm)
MICROASMDCH075F-2 PPTC-MINI-PSW Littelfuse Inc.	3,655	-	RFQ	Datasheet	1210 (3225 Metric), Concave	PolySwitch®, microASMD	Tape & Reel (TR)	Active	Polymeric	16V	750 mA	2.25 A	20 A	100 ms	100 mOhms	680 mOhms	-	-40°C ~ 85°C	Automotive	AEC-Q200	-	Surface Mount	0.127" L x 0.101" W (3.22mm x 2.58mm)	-	0.024" (0.60mm)	-
RGEF1200-1 PTC RESET FUSE 16V 12A RADIAL Littelfuse Inc.	228	-	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 0.115" W (16.95mm x 2.90mm)	1.102" (28.00mm)	-	0.400" (10.15mm)
RUEF800K-2 PTC RESET FUSE 30V 8A RADIAL Littelfuse Inc.	224	-	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)	1.189" (30.20mm)	-	0.400" (10.15mm)
72R160XMR PTC RESET FUSE 72V 1.6A RADIAL Littelfuse Inc.	6,947	-	RFQ	Datasheet	Radial, Disc	POLY-FUSE®, 72R	Cut Tape (CT)	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)
NANOASMDCH020F-2 PPTC-MINI-PSW Littelfuse Inc.	3,000	-	RFQ	Datasheet	1206 (3216 Metric), Concave	PolySwitch®, nanoASMDC	Tape & Reel (TR)	Active	Polymeric	24V	200 mA	420 mA	100 A	100 ms	650 mOhms	3.1 Ohms	-	-40°C ~ 85°C	Automotive	AEC-Q200	-	Surface Mount	-	-	-	-
TR600-150F-EX PTC RESET FUSE 250V 150MA RADIAL Littelfuse Inc.	165	-	RFQ	Datasheet	Radial, Disc	PolySwitch®, TR600	Bag	Active	Polymeric	250V (600V Int)	150 mA	300 mA	40 A	8 s	6 Ohms	22 Ohms	-	-40°C ~ 85°C	-	-	-	Through Hole	0.532" L x 0.236" W (13.50mm x 6.00mm)	0.496" (12.60mm)	-	0.197" (5.00mm)
AHRF1300 PTC RESET FUSE 16V 13A RADIAL Littelfuse Inc.	137	-	RFQ	Datasheet	Radial, Disc	PolySwitch®, AHRF	Bag	Active	Polymeric	16V	13 A	27 A	100 A	15 s	3.4 mOhms	10 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)
AHRF800 PTC RESET FUSE 16V 8A RADIAL Littelfuse Inc.	192	-	RFQ	Datasheet	Radial, Disc	PolySwitch®, AHRF	Bag	Active	Polymeric	16V	8 A	15 A	100 A	8 s	7.2 mOhms	20 mOhms	-	-40°C ~ 125°C	Automotive	AEC-Q200	-	Through Hole	0.650" L x 0.118" W (16.50mm x 3.00mm)	0.886" (22.50mm)	-	0.199" (5.05mm)
AGRF1000-2 PTC RESET FUSE 16V 10A RADIAL Littelfuse Inc.	671	-	RFQ	Datasheet	Radial, Disc	PolySwitch®, AGRF	Tape & Reel (TR)	Active	Polymeric	16V	10 A	18.5 A	100 A	7 s	3.4 mOhms	10.2 mOhms	-	-40°C ~ 85°C	Automotive	AEC-Q200	-	Through Hole	0.650" L x 0.118" W (16.50mm x 3.00mm)	1.012" (25.70mm)	-	0.199" (5.05mm)

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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.