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
PTGL14AR3R3M3B71B0 PTC RESET FUSE 56V 490MA RADIAL Murata Electronics	4,573	-	RFQ	Datasheet	Radial, Disc	POSISTOR®, PTGL	Bulk	Obsolete	Ceramic	56V	490 mA	830 mA	2.5 A	-	-	-	3.3 Ohms	-10°C ~ 60°C	-	-	-	Through Hole	0.571" Dia x 0.157" T (14.50mm x 4.00mm)	0.807" (20.50mm)	-	0.295" (7.50mm)
PTGL9SAS120K6B51B0 PTC RESET FUSE 140V 244MA RADIAL Murata Electronics	2,582	-	RFQ	Datasheet	Radial, Disc	POSISTOR®, PTGL	Bulk	Obsolete	Ceramic	140V	244 mA	324 mA	2 A	-	-	-	12 Ohms	-30°C ~ 125°C	-	-	-	Through Hole	0.366" Dia x 0.177" T (9.30mm x 4.50mm)	0.563" (14.30mm)	-	0.197" (5.00mm)
PTGL9SAS7R6K6B51B0 PTC RESET FUSE 140V 287MA RADIAL Murata Electronics	2,144	-	RFQ	Datasheet	Radial, Disc	POSISTOR®, PTGL	Bulk	Obsolete	Ceramic	140V	287 mA	382 mA	2.2 A	-	-	-	7.6 Ohms	-30°C ~ 125°C	-	-	-	Through Hole	0.366" Dia x 0.177" T (9.30mm x 4.50mm)	0.563" (14.30mm)	-	0.197" (5.00mm)
PTGLCSAS4R7K6B51A0 PTC RESET FUSE 140V 393MA RADIAL Murata Electronics	8,086	-	RFQ	Datasheet	Radial, Disc	POSISTOR®, PTGL	Bulk	Obsolete	Ceramic	140V	393 mA	523 mA	3.5 A	-	-	-	4.7 Ohms	-30°C ~ 125°C	-	-	-	Through Hole	0.453" Dia x 0.177" T (11.50mm x 4.50mm)	0.650" (16.50mm)	-	0.197" (5.00mm)
PTGL12AS1R2K3B51B0 PTC RESET FUSE 51V 749MA RADIAL Murata Electronics	9,009	-	RFQ	Datasheet	Radial, Disc	POSISTOR®, PTGL	Bulk	Obsolete	Ceramic	51V	749 mA	996 mA	5 A	-	-	-	1.2 Ohms	-30°C ~ 85°C	-	-	-	Through Hole	0.453" Dia x 0.138" T (11.50mm x 3.50mm)	0.650" (16.50mm)	-	0.197" (5.00mm)
PTGL12AS0R8K2B51B0 PTC RESET FUSE 30V 867MA RADIAL Murata Electronics	3,377	-	RFQ	Datasheet	Radial, Disc	POSISTOR®, PTGL	Bulk	Obsolete	Ceramic	30V	867 mA	1.153 A	7 A	-	-	-	800 mOhms	-30°C ~ 85°C	-	-	-	Through Hole	0.453" Dia x 0.138" T (11.50mm x 3.50mm)	0.650" (16.50mm)	-	0.197" (5.00mm)
PTGL14AR0R5M1C01B0 THERMISTOR PTC 125V 0.5 OHM 120C Murata Electronics	4,749	-	RFQ	Datasheet	Radial, Disc	Posistor®	Bulk	Obsolete	Ceramic	-	-	-	-	-	-	-	500 mOhms	-	-	-	-	Through Hole	-	-	-	-
PTGLCSAS4R7K6B51B0 PTC RESET FUSE 140V 393MA RADIAL Murata Electronics	5,707	-	RFQ	Datasheet	Radial, Disc	POSISTOR®, PTGL	Bulk	Obsolete	Ceramic	140V	393 mA	523 mA	3.5 A	-	-	-	4.7 Ohms	-30°C ~ 125°C	-	-	-	Through Hole	0.453" Dia x 0.177" T (11.50mm x 4.50mm)	0.650" (16.50mm)	-	0.197" (5.00mm)
PTGL12AR100M6C01B0 PTC RESET FUSE 140V 290MA RADIAL Murata Electronics	9,560	-	RFQ	Datasheet	Radial, Disc	POSISTOR®, PTGL	Bulk	Obsolete	Ceramic	140V	290 mA	440 mA	1 A	-	-	-	10 Ohms	-10°C ~ 60°C	-	-	-	Through Hole	0.512" Dia x 0.236" W (13.00mm x 6.00mm)	0.748" (19.00mm)	-	0.394" (10.00mm)
PTGL16AS101H0B02BZ PTC RESET FUSE Murata Electronics	7,720	-	RFQ	Datasheet	-	*	Bulk	Obsolete	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-

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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.