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
PRG18BB470MS1RB PTC RESET FUSE 16V 29MA 0603 Murata Electronics	3,002	-	RFQ	Datasheet	0603 (1608 Metric)	POSISTOR®, PRG	Tape & Reel (TR)	Active	Ceramic	16V	29 mA	61 mA	420 mA	-	-	-	47 Ohms	-20°C ~ 85°C	-	-	-	Surface Mount	0.063" L x 0.032" W (1.60mm x 0.80mm)	-	0.037" (0.95mm)	-
PRG18BB471MS1RB PTC RESET FUSE 16V 10MA 0603 Murata Electronics	3,565	-	RFQ	Datasheet	0603 (1608 Metric)	POSISTOR®, PRG	Tape & Reel (TR)	Active	Ceramic	16V	10 mA	21 mA	40 mA	-	-	-	470 Ohms	-20°C ~ 85°C	-	-	-	Surface Mount	0.063" L x 0.032" W (1.60mm x 0.80mm)	-	0.037" (0.95mm)	-
PRG21AR220MB1RK PTC RESET FUSE 16V 75MA 0805 Murata Electronics	8,849	-	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)	-
PTGL06AR0R8M1B51A0 PTC RESET FUSE 16V 505MA RADIAL Murata Electronics	6,239	-	RFQ	Datasheet	Radial, Disc	POSISTOR®, PTGL	Bulk	Obsolete	Ceramic	16V	505 mA	955 mA	3 A	-	-	-	800 mOhms	-10°C ~ 60°C	-	-	-	Through Hole	0.256" Dia x 0.138" T (6.50mm x 3.50mm)	0.394" (10.00mm)	-	0.197" (5.00mm)
PTGL04AS220K4N51A0 PTC RESET FUSE 60V 112MA RADIAL Murata Electronics	2,071	-	RFQ	Datasheet	Radial, Disc	POSISTOR®, PTGL	Tape & Box (TB)	Obsolete	Ceramic	60V	112 mA	149 mA	1 A	-	-	-	22 Ohms	-30°C ~ 85°C	-	-	-	Through Hole	0.177" Dia x 0.138" T (4.50mm x 3.50mm)	0.551" (14.00mm)	-	0.197" (5.00mm)
PTGL7SARR47M1B51B0 PTC RESET FUSE 16V 705MA RADIAL Murata Electronics	3,735	-	RFQ	Datasheet	Radial, Disc	POSISTOR®, PTGL	Bulk	Obsolete	Ceramic	16V	705 mA	1.31 A	5 A	-	-	-	470 mOhms	-30°C ~ 85°C	-	-	-	Through Hole	0.295" Dia x 0.138" T (7.50mm x 3.50mm)	0.472" (12.00mm)	-	0.197" (5.00mm)
PTGL04AS100K2B51A0 PTC RESET FUSE 30V 212MA RADIAL Murata Electronics	9,892	-	RFQ	Datasheet	Radial, Disc	POSISTOR®, PTGL	Tape & Box (TB)	Obsolete	Ceramic	30V	212 mA	282 mA	2 A	-	-	-	10 Ohms	-30°C ~ 85°C	-	-	-	Through Hole	0.177" Dia x 0.138" T (4.50mm x 3.50mm)	0.551" (14.00mm)	-	0.197" (5.00mm)
PTGL04AS100K3B51A0 PTC RESET FUSE 51V 213MA RADIAL Murata Electronics	9,604	-	RFQ	Datasheet	Radial, Disc	POSISTOR®, PTGL	Tape & Box (TB)	Obsolete	Ceramic	51V	213 mA	283 mA	1 A	-	-	-	10 Ohms	-30°C ~ 85°C	-	-	-	Through Hole	0.177" Dia x 0.138" T (4.50mm x 3.50mm)	0.551" (14.00mm)	-	0.197" (5.00mm)
PTGL05AS100K4B51A0 PTC RESET FUSE 60V 215MA RADIAL Murata Electronics	6,552	-	RFQ	Datasheet	Radial, Disc	POSISTOR®, PTGL	Tape & Box (TB)	Obsolete	Ceramic	60V	215 mA	286 mA	1.5 A	-	-	-	10 Ohms	-30°C ~ 85°C	-	-	-	Through Hole	0.217" Dia x 0.138" T (5.50mm x 3.50mm)	0.630" (16.00mm)	-	0.197" (5.00mm)
PTGL9SARR33M1B51A0 PTC RESET FUSE 16V 875MA RADIAL Murata Electronics	2,707	-	RFQ	Datasheet	Radial, Disc	POSISTOR®, PTGL	Bulk	Obsolete	Ceramic	16V	875 mA	1.625 A	7 A	-	-	-	330 mOhms	-30°C ~ 85°C	-	-	-	Through Hole	0.354" Dia x 0.138" T (9.00mm x 3.50mm)	0.551" (14.00mm)	-	0.197" (5.00mm)

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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.