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
YM120D105N600 PTC RESET FUSE 265V 93MA RADIAL Amphenol Advanced Sensors (Thermometrics)	6,339	-	RFQ	Datasheet	Radial, Disc	YM	Bulk	Obsolete	Ceramic	265V	93 mA	131 mA	600 mA	-	-	-	60 Ohms	0°C ~ 55°C	-	-	-	Through Hole	0.236" Dia x 0.177" T (6.00mm x 4.50mm)	0.335" (8.50mm)	-	0.200" (5.08mm)
RL4510-50-110-120-PTF PTC RESET FUSE 120V 110MA RADIAL Amphenol Advanced Sensors (Thermometrics)	2,778	-	RFQ	Datasheet	Radial, Disc	PTF	Bulk	Obsolete	Ceramic	120V	110 mA	170 mA	-	-	-	-	50 Ohms	-	-	-	-	Through Hole	0.500" Dia x 0.201" T (12.70mm x 5.10mm)	0.500" (12.70mm)	-	0.331" (8.40mm)
RL5008-3.0-110-25-PTF PTC RESET FUSE 25V 500MA RADIAL Amphenol Advanced Sensors (Thermometrics)	6,690	-	RFQ	Datasheet	Radial, Disc	PTF	Bulk	Obsolete	Ceramic	25V	500 mA	740 mA	-	-	-	-	3 Ohms	-	-	-	-	Through Hole	0.551" Dia x 0.181" T (14.00mm x 4.60mm)	0.551" (14.00mm)	-	0.331" (8.40mm)
RL4508-25-110-50-PTF PTC RESET FUSE 50V 160MA RADIAL Amphenol Advanced Sensors (Thermometrics)	7,115	-	RFQ	Datasheet	Radial, Disc	PTF	Bulk	Obsolete	Ceramic	50V	160 mA	240 mA	-	-	-	-	25 Ohms	-	-	-	-	Through Hole	0.500" Dia x 0.181" T (12.70mm x 4.60mm)	0.500" (12.70mm)	-	0.331" (8.40mm)
YQS5920POC PTC RESET FUSE COATED 100 120V Amphenol Advanced Sensors (Thermometrics)	4,581	-	RFQ	Datasheet	-	YQ	Bulk	Active	Ceramic	-	-	-	-	-	-	-	100 Ohms	-	-	-	-	-	-	-	-	-
YPCL0010T PTC RESET FUSE 265V 200MA RADIAL Amphenol Advanced Sensors (Thermometrics)	4,136	-	RFQ	Datasheet	Radial, Disc	YP	Tape & Reel (TR)	Obsolete	Ceramic	265V	200 mA	400 mA	2.2 A	-	-	-	10 Ohms	0°C ~ 60°C	-	-	-	Through Hole	0.532" Dia x 0.197" T (13.50mm x 5.00mm)	0.591" (15.00mm)	-	0.200" (5.08mm)
YPBJ3.70T PTC RESET FUSE 80V 170MA RADIAL Amphenol Advanced Sensors (Thermometrics)	7,792	-	RFQ	Datasheet	Radial, Disc	YP	Tape & Reel (TR)	Obsolete	Ceramic	80V	170 mA	350 mA	5.5 A	-	-	-	3.7 Ohms	0°C ~ 60°C	-	-	-	Through Hole	0.532" Dia x 0.138" T (13.50mm x 3.50mm)	0.591" (15.00mm)	-	0.200" (5.08mm)
YQD120N0050 PTC RESET FUSE 265V RADIAL DISC Amphenol Advanced Sensors (Thermometrics)	4,389	-	RFQ	Datasheet	Radial, Disc	YQ	Bulk	Active	Ceramic	265V	-	-	-	-	-	-	-	0°C ~ 60°C	-	-	-	Through Hole	-	-	-	-
YQD120N0055 PTC RESET FUSE 265V 90MA RADIAL Amphenol Advanced Sensors (Thermometrics)	4,572	-	RFQ	Datasheet	Radial, Disc	YQ	Bulk	Active	Ceramic	265V	90 mA	180 mA	800 mA	-	-	-	55 Ohms	0°C ~ 60°C	-	-	-	Through Hole	0.354" Dia x 0.197" T (9.00mm x 5.00mm)	-	-	0.201" (5.10mm)
RL4510-50-120-120-PTO PTC RESET FUSE 120V RADIAL DISC Amphenol Advanced Sensors (Thermometrics)	5,931	-	RFQ	Datasheet	Radial, Disc	PTO	Bulk	Obsolete	Ceramic	120V	-	-	-	70 s	-	-	50 Ohms	-	-	-	-	Through Hole	0.500" Dia x 0.200" T (12.70mm x 5.08mm)	0.500" (12.70mm)	-	0.330" (8.38mm)

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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.