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
PRG15BC330MM1RC PTC RESET FUSE 30V 38MA 0402 Murata Electronics	90,806	-	RFQ	Datasheet	0402 (1005 Metric)	POSISTOR®, PRG	Tape & Reel (TR)	Active	Ceramic	30V	38 mA	73 mA	1.2 A	-	-	-	33 Ohms	-20°C ~ 85°C	-	-	-	Surface Mount	0.039" L x 0.020" W (1.00mm x 0.50mm)	-	0.022" (0.55mm)	-
PRG18BB101MB1RB PTC RESET FUSE 24V 21MA 0603 Murata Electronics	78,297	-	RFQ	Datasheet	0603 (1608 Metric)	POSISTOR®, PRG	Tape & Reel (TR)	Active	Ceramic	24V	21 mA	45 mA	300 mA	-	-	-	100 Ohms	-20°C ~ 75°C	-	-	-	Surface Mount	0.063" L x 0.032" W (1.60mm x 0.80mm)	-	0.037" (0.95mm)	-
PRG18BC3R3MM1RB PTC RESET FUSE 16V 180MA 0603 Murata Electronics	23,942	-	RFQ	Datasheet	0603 (1608 Metric)	POSISTOR®, PRG	Tape & Reel (TR)	Active	Ceramic	16V	180 mA	400 mA	6 A	-	-	-	3.3 Ohms	-20°C ~ 85°C	-	-	-	Surface Mount	0.063" L x 0.032" W (1.60mm x 0.80mm)	-	0.037" (0.95mm)	-
PRG18BC2R2MM1RB PTC RESET FUSE 12V 220MA 0603 Murata Electronics	15,033	-	RFQ	Datasheet	0603 (1608 Metric)	POSISTOR®, PRG	Tape & Reel (TR)	Active	Ceramic	12V	220 mA	500 mA	6.5 A	-	-	-	2.2 Ohms	-20°C ~ 85°C	-	-	-	Surface Mount	0.063" L x 0.032" W (1.60mm x 0.80mm)	-	0.037" (0.95mm)	-
PRG18BC4R7MM1RB PTC RESET FUSE 20V 155MA 0603 Murata Electronics	5,422	-	RFQ	Datasheet	0603 (1608 Metric)	POSISTOR®, PRG	Tape & Reel (TR)	Active	Ceramic	20V	155 mA	330 mA	5 A	-	-	-	4.7 Ohms	-20°C ~ 85°C	-	-	-	Surface Mount	0.063" L x 0.032" W (1.60mm x 0.80mm)	-	0.037" (0.95mm)	-
PRG21AR220MS1RK PTC RESET FUSE 16V 75MA 0805 Murata Electronics	2,600	-	RFQ	Datasheet	0805 (2012 Metric)	POSISTOR®, PRG	Tape & Reel (TR)	Active	Ceramic	16V	75 mA	195 mA	900 mA	-	-	-	22 Ohms	-40°C ~ 105°C	-	-	-	Surface Mount	0.079" L x 0.049" W (2.00mm x 1.25mm)	-	0.057" (1.45mm)	-
PRG21AR420MB1RA PTC RESET FUSE 20V 54MA 0805 Murata Electronics	9,991	-	RFQ	Datasheet	0805 (2012 Metric)	POSISTOR®, PRG	Tape & Reel (TR)	Active	Ceramic	20V	54 mA	100 mA	590 mA	-	-	-	42 Ohms	-10°C ~ 60°C	-	-	-	Surface Mount	0.079" L x 0.049" W (2.00mm x 1.25mm)	-	0.043" (1.10mm)	-
PRG21BC2R2MM1RA PTC RESET FUSE 16V 220MA 0805 Murata Electronics	2,500	-	RFQ	Datasheet	0805 (2012 Metric)	POSISTOR®, PRG	Tape & Reel (TR)	Active	Ceramic	16V	220 mA	500 mA	9 A	-	-	-	2.2 Ohms	-20°C ~ 85°C	-	-	-	Surface Mount	0.079" L x 0.049" W (2.00mm x 1.25mm)	-	0.043" (1.10mm)	-
PRG21BB220MB1RK PTC RESET FUSE 20V 44MA 0805 Murata Electronics	26,767	-	RFQ	Datasheet	0805 (2012 Metric)	POSISTOR®, PRG	Tape & Reel (TR)	Active	Ceramic	20V	44 mA	91 mA	1.1 A	-	-	-	22 Ohms	-20°C ~ 60°C	-	-	-	Surface Mount	0.079" L x 0.049" W (2.00mm x 1.25mm)	-	0.057" (1.45mm)	-
PRG21BC1R0MM1RA PTC RESET FUSE 12V 330MA 0805 Murata Electronics	24,850	-	RFQ	Datasheet	0805 (2012 Metric)	POSISTOR®, PRG	Tape & Reel (TR)	Active	Ceramic	12V	330 mA	740 mA	10 A	-	-	-	1 Ohms	-20°C ~ 85°C	-	-	-	Surface Mount	0.079" L x 0.049" W (2.00mm x 1.25mm)	-	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.