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
PTGL07AS3R3K3B51B0 PTC RESET FUSE 51V 307MA RADIAL Murata Electronics	7,195	-	RFQ	Datasheet	Radial, Disc	POSISTOR®, PTGL	Bulk	Obsolete	-	51V	307 mA	606 mA	3 A	-	-	-	-	-	-	-	-	Through Hole	0.287" Dia x 0.138" T (7.30mm x 3.50mm)	0.484" (12.30mm)	-	0.197" (5.00mm)
PTGL09AR4R7M3B51B0 PTC RESET FUSE 56V 350MA RADIAL Murata Electronics	8,276	-	RFQ	Datasheet	Radial, Disc	POSISTOR®, PTGL	Bulk	Obsolete	Ceramic	56V	350 mA	600 mA	2 A	-	-	-	4.7 Ohms	-10°C ~ 60°C	-	-	-	Through Hole	0.374" Dia x 0.157" T (9.50mm x 4.00mm)	0.610" (15.50mm)	-	0.197" (5.00mm)
PTGL07AS121M0N51A0 FD Murata Electronics	9,040	-	RFQ	Datasheet	Radial, Disc	POSISTOR®, PTGL	Bulk	Active	Ceramic	280V	-	-	-	-	96 Ohms	144 Ohms	120 Ohms	-40°C ~ 105°C	-	-	-	Through Hole	-	-	-	-
PTGL09AR150M3B51B0 PTC RESET FUSE 56V 190MA RADIAL Murata Electronics	9,306	-	RFQ	Datasheet	Radial, Disc	POSISTOR®, PTGL	Bulk	Obsolete	Ceramic	56V	190 mA	340 mA	1.2 A	-	-	-	15 Ohms	-10°C ~ 60°C	-	-	-	Through Hole	0.374" Dia x 0.157" T (9.50mm x 4.00mm)	0.610" (15.50mm)	-	0.197" (5.00mm)
PTGL7SAS3R3K3B51A0 PTC RESET FUSE 51V 389MA RADIAL Murata Electronics	3,583	-	RFQ	Datasheet	Radial, Disc	POSISTOR®, PTGL	Bulk	Obsolete	Ceramic	51V	389 mA	517 mA	3 A	-	-	-	3.3 Ohms	-30°C ~ 125°C	-	-	-	Through Hole	0.287" Dia x 0.138" T (7.30mm x 3.50mm)	0.484" (12.30mm)	-	0.197" (5.00mm)
PTGL09AR1R8H2B51B0 PTC RESET FUSE 30V 510MA RADIAL Murata Electronics	6,937	-	RFQ	Datasheet	Radial, Disc	POSISTOR®, PTGL	Bulk	Obsolete	Ceramic	30V	510 mA	970 mA	3 A	-	-	-	1.8 Ohms	-10°C ~ 60°C	-	-	-	Through Hole	0.374" Dia x 0.157" T (9.50mm x 4.00mm)	0.610" (15.50mm)	-	0.197" (5.00mm)
PTGL07AS5R6K4N51B0 PTC RESET FUSE 60V 186MA RADIAL Murata Electronics	9,056	-	RFQ	Datasheet	Radial, Disc	POSISTOR® PTGL	Bulk	Obsolete	Ceramic	60V	186 mA	368 mA	2.2 A	-	-	-	5.6 Ohms	-10°C ~ 60°C	-	-	-	Through Hole	0.287" Dia x 0.138" W (7.30mm x 3.50mm)	0.484" (12.30mm)	-	0.197" (5.00mm)
PTGL09BD4R7N2B51A0 PTC RESET FUSE 24V 216MA RADIAL Murata Electronics	7,260	-	RFQ	Datasheet	Radial, Disc	POSISTOR®, PTGL	Bulk	Obsolete	Ceramic	24V	216 mA	398 mA	2 A	-	-	-	4.7 Ohms	-10°C ~ 60°C	-	-	-	Through Hole	0.374" Dia x 0.157" T (9.50mm x 4.00mm)	0.610" (15.50mm)	-	0.197" (5.00mm)
PTGL09AS1R2K2B51A0 PTC RESET FUSE 30V 704MA RADIAL Murata Electronics	9,980	-	RFQ	Datasheet	Radial, Disc	POSISTOR®, PTGL	Tape & Box (TB)	Obsolete	Ceramic	30V	704 mA	936 mA	6 A	-	-	-	1.2 Ohms	-30°C ~ 85°C	-	-	-	Through Hole	0.366" Dia x 0.138" T (9.30mm x 3.50mm)	0.563" (14.30mm)	-	0.197" (5.00mm)
PTGL05AR181M7P52A0 PTC RESET FUSE 125V 38MA RADIAL Murata Electronics	5,833	-	RFQ	Datasheet	Radial, Disc	POSISTOR®, PTGL	Tape & Box (TB)	Obsolete	Ceramic	125V	38 mA	64 mA	300 mA	-	-	-	180 Ohms	-10°C ~ 60°C	-	-	-	Through Hole	0.236" Dia x 0.197" T (6.00mm x 5.00mm)	0.472" (12.00mm)	-	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.