PTC Resettable Fuses

Use the filters and product table below to compare PTC Resettable Fuses components by manufacturer, availability, pricing reference and technical specifications. Review datasheets and key parameters to narrow the selection for your application.

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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
PRG15BC4R7MM1RC PTC RESET FUSE 9V 91MA 0402 Murata Electronics	38,342	-	RFQ	Datasheet	0402 (1005 Metric)	POSISTOR®, PRG	Tape & Reel (TR)	Active	Ceramic	9V	91 mA	172 mA	2.5 A	-	-	-	4.7 Ohms	-20°C ~ 85°C	-	-	-	Surface Mount	0.039" L x 0.020" W (1.00mm x 0.50mm)	-	0.022" (0.55mm)	-
PRG18BB330MB1RB PTC RESET FUSE 24V 36MA 0603 Murata Electronics	20,730	-	RFQ	Datasheet	0603 (1608 Metric)	POSISTOR®, PRG	Tape & Reel (TR)	Active	Ceramic	24V	36 mA	71 mA	900 mA	-	-	-	33 Ohms	-20°C ~ 75°C	-	-	-	Surface Mount	0.063" L x 0.032" W (1.60mm x 0.80mm)	-	0.037" (0.95mm)	-
PRG18BB471MB1RB PTC RESET FUSE 24V 10MA 0603 Murata Electronics	18,774	-	RFQ	Datasheet	0603 (1608 Metric)	POSISTOR®, PRG	Tape & Reel (TR)	Active	Ceramic	24V	10 mA	21 mA	60 mA	-	-	-	470 Ohms	-20°C ~ 75°C	-	-	-	Surface Mount	0.063" L x 0.032" W (1.60mm x 0.80mm)	-	0.037" (0.95mm)	-
PRG18BB221MB1RB PTC RESET FUSE 24V 14MA 0603 Murata Electronics	13,455	-	RFQ	Datasheet	0603 (1608 Metric)	POSISTOR®, PRG	Tape & Reel (TR)	Active	Ceramic	24V	14 mA	29 mA	130 mA	-	-	-	220 Ohms	-20°C ~ 75°C	-	-	-	Surface Mount	0.063" L x 0.032" W (1.60mm x 0.80mm)	-	0.037" (0.95mm)	-
PRG18BC6R8MM1RB PTC RESET FUSE 20V 120MA 0603 Murata Electronics	7,218	-	RFQ	Datasheet	0603 (1608 Metric)	POSISTOR®, PRG	Tape & Reel (TR)	Active	Ceramic	20V	120 mA	260 mA	3.5 A	-	-	-	6.8 Ohms	-20°C ~ 85°C	-	-	-	Surface Mount	0.063" L x 0.032" W (1.60mm x 0.80mm)	-	0.037" (0.95mm)	-
PRG18BB470MB1RB PTC RESET FUSE 24V 29MA 0603 Murata Electronics	6,707	-	RFQ	Datasheet	0603 (1608 Metric)	POSISTOR®, PRG	Tape & Reel (TR)	Active	Ceramic	24V	29 mA	61 mA	630 mA	-	-	-	47 Ohms	-20°C ~ 75°C	-	-	-	Surface Mount	0.063" L x 0.032" W (1.60mm x 0.80mm)	-	0.037" (0.95mm)	-
PRG18BC1R0MM1RB PTC RESET FUSE 6V 330MA 0603 Murata Electronics	12,289	-	RFQ	Datasheet	0603 (1608 Metric)	POSISTOR®, PRG	Tape & Reel (TR)	Active	Ceramic	6V	330 mA	740 mA	7.5 A	-	-	-	1 Ohms	-20°C ~ 85°C	-	-	-	Surface Mount	0.063" L x 0.032" W (1.60mm x 0.80mm)	-	0.037" (0.95mm)	-
PRG21BC4R7MM1RA PTC RESET FUSE 30V 155MA 0805 Murata Electronics	5,448	-	RFQ	Datasheet	0805 (2012 Metric)	POSISTOR®, PRG	Tape & Reel (TR)	Active	Ceramic	30V	155 mA	330 mA	8 A	-	-	-	4.7 Ohms	-20°C ~ 85°C	-	-	-	Surface Mount	0.079" L x 0.049" W (2.00mm x 1.25mm)	-	0.043" (1.10mm)	-
PRG21BC6R8MM1RA PTC RESET FUSE 30V 120MA 0805 Murata Electronics	2,183	-	RFQ	Datasheet	0805 (2012 Metric)	POSISTOR®, PRG	Tape & Reel (TR)	Active	Ceramic	30V	120 mA	260 mA	5.5 A	-	-	-	6.8 Ohms	-20°C ~ 85°C	-	-	-	Surface Mount	0.079" L x 0.049" W (2.00mm x 1.25mm)	-	0.043" (1.10mm)	-
PRG15BC180MM1RC PTC RESET FUSE 24V 47MA 0402 Murata Electronics	28,387	-	RFQ	Datasheet	0402 (1005 Metric)	POSISTOR®, PRG	Tape & Reel (TR)	Active	Ceramic	24V	47 mA	98 mA	1.2 A	-	-	-	18 Ohms	-20°C ~ 85°C	-	-	-	Surface Mount	0.039" L x 0.020" W (1.00mm x 0.50mm)	-	0.043" (1.10mm)	-

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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.