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
YQS5751PTO PTC RESET FUSE 25V RADIAL DISC Amphenol Advanced Sensors (Thermometrics)	1,864	-	RFQ	Datasheet	Radial, Disc	PTO	Bulk	Active	Ceramic	25V	-	-	-	-	-	-	50 Ohms	10°C ~ 55°C	-	-	-	Through Hole	0.350" Dia x 0.150" T (8.90mm x 3.80mm)	0.433" (11.00mm)	-	0.197" (5.00mm)
YQS5856PTF PTC RESET FUSE 50V 60MA RADIAL Amphenol Advanced Sensors (Thermometrics)	9,483	-	RFQ	Datasheet	Radial, Disc	PTF	Bulk	Active	Ceramic	50V	60 mA	120 mA	-	-	-	-	100 Ohms	10°C ~ 55°C	-	-	-	Through Hole	0.421" Dia x 0.201" T (10.70mm x 5.10mm)	0.472" (12.00mm)	-	0.197" (5.00mm)
YQD120N0025 PTC RESET FUSE 265V 130MA RADIAL Amphenol Advanced Sensors (Thermometrics)	7,597	-	RFQ	Datasheet	Radial, Disc	YQ	Bulk	Active	Ceramic	265V	130 mA	250 mA	800 mA	-	-	-	25 Ohms	0°C ~ 60°C	-	-	-	Through Hole	0.354" Dia x 0.197" T (9.00mm x 5.00mm)	-	-	0.201" (5.10mm)
YQS5855PTF PTC RESET FUSE 50V 80MA RADIAL Amphenol Advanced Sensors (Thermometrics)	6,760	-	RFQ	Datasheet	Radial, Disc	PTF	Bulk	Active	Ceramic	50V	80 mA	170 mA	-	-	-	-	50 Ohms	10°C ~ 55°C	-	-	-	Through Hole	0.449" Dia x 0.201" T (11.40mm x 5.10mm)	0.512" (13.00mm)	-	0.197" (5.00mm)
YQS5925PTO PTC RESET FUSE 240V RADIAL DISC Amphenol Advanced Sensors (Thermometrics)	9,011	-	RFQ	Datasheet	Radial, Disc	PTO	Bulk	Active	Ceramic	240V	-	-	-	-	-	-	100 Ohms	10°C ~ 55°C	-	-	-	Through Hole	0.650" Dia x 0.270" T (16.51mm x 6.86mm)	0.728" (18.50mm)	-	0.348" (8.83mm)
YQS5878PTF PTC RESET FUSE 240V 45MA RADIAL Amphenol Advanced Sensors (Thermometrics)	4,829	-	RFQ	Datasheet	Radial, Disc	PTF	Bulk	Active	Ceramic	240V	45 mA	120 mA	-	-	-	-	250 Ohms	10°C ~ 55°C	-	-	-	Through Hole	0.650" Dia x 0.272" T (16.50mm x 6.90mm)	0.650" (16.50mm)	-	0.374" (9.50mm)
YPAL0013N PTC RESET FUSE 30V 120MA RADIAL Amphenol Advanced Sensors (Thermometrics)	4,609	-	RFQ	Datasheet	Radial, Disc	YP	Bulk	Obsolete	Ceramic	30V	120 mA	240 mA	700 mA	-	-	-	13 Ohms	0°C ~ 60°C	-	-	-	Through Hole	0.157" Dia x 0.138" T (4.00mm x 3.50mm)	0.217" (5.50mm)	-	0.200" (5.08mm)
YPBL0055N PTC RESET FUSE 80V 50MA RADIAL Amphenol Advanced Sensors (Thermometrics)	9,637	-	RFQ	Datasheet	Radial, Disc	YP	Bulk	Obsolete	Ceramic	80V	50 mA	100 mA	700 mA	-	-	-	55 Ohms	0°C ~ 60°C	-	-	-	Through Hole	0.157" Dia x 0.138" T (4.00mm x 3.50mm)	0.217" (5.50mm)	-	0.200" (5.08mm)
YPBJ0025T PTC RESET FUSE 80V 50MA RADIAL Amphenol Advanced Sensors (Thermometrics)	8,360	-	RFQ	Datasheet	Radial, Disc	YP	Tape & Reel (TR)	Obsolete	Ceramic	80V	50 mA	110 mA	1 A	-	-	-	25 Ohms	0°C ~ 60°C	-	-	-	Through Hole	0.256" Dia x 0.138" T (6.50mm x 3.50mm)	0.315" (8.00mm)	-	0.200" (5.08mm)
YPBJ0055T PTC RESET FUSE 80V 30MA RADIAL Amphenol Advanced Sensors (Thermometrics)	2,888	-	RFQ	Datasheet	Radial, Disc	YP	Tape & Reel (TR)	Obsolete	Ceramic	80V	30 mA	60 mA	700 mA	-	-	-	55 Ohms	0°C ~ 60°C	-	-	-	Through Hole	0.157" Dia x 0.138" T (4.00mm x 3.50mm)	0.217" (5.50mm)	-	0.200" (5.08mm)

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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.