PTC Resettable Fuses

Compare the current PTC Resettable Fuses Circuit Protection selection by manufacturer, stock status, datasheet and technical parameters. Use these details to narrow the list to parts that match your design, maintenance or purchasing requirements.

For a specific MPN, package, electrical rating or quantity requirement, send the details to EGOO. We can help confirm availability, quotation and alternative sourcing options.

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
TRF250-055T PTC RESET FUSE 60V 55MA RADIAL Littelfuse Inc.	9,520	-	RFQ	Datasheet	Radial, Disc	PolySwitch®, TRF250	Bulk	Active	Polymeric	60V (250V Int)	55 mA	170 mA	3 A	3.5 s	15 Ohms	35 Ohms	-	-40°C ~ 85°C	-	-	-	Through Hole	0.228" Dia x 0.181" T (5.80mm x 4.60mm)	0.390" (9.90mm)	-	0.197" (5.00mm)
MXP180 PTC RESET FUSE 6V 1.8A STRAP Littelfuse Inc.	2,496	-	RFQ	Datasheet	Strap	PolySwitch®, MXP	Bulk	Obsolete	Polymeric	6V	1.8 A	5.2 A	50 A	5 s	7 mOhms	24 mOhms	-	-	-	-	-	User Defined	-	0.043" (1.10mm)	-	-
MXP270 PTC RESET FUSE 6V 2.7A STRAP Littelfuse Inc.	5,923	-	RFQ	Datasheet	Strap	PolySwitch®, MXP	Bulk	Obsolete	Polymeric	6V	2.7 A	6.2 A	50 A	2 s	6 mOhms	26 mOhms	-	-	-	-	-	User Defined	-	0.043" (1.10mm)	-	-
MGP500 PTC RESET FUSE 6V 5A STRAP Littelfuse Inc.	4,129	-	RFQ	Datasheet	Strap	PolySwitch®, MGP	Bulk	Obsolete	Polymeric	6V	5 A	9.2 A	50 A	5 s	2.5 mOhms	13 mOhms	-	-	-	-	-	User Defined	0.591" L x 0.122" W (15.00mm x 3.11mm)	0.037" (0.95mm)	-	-
FEMTOSMDC035F-2 PTC RESET FUSE 6V 350MA 0603 Littelfuse Inc.	8,874	-	RFQ	Datasheet	0603 (1608 Metric), Concave	PolySwitch®, femtoSMDC	Tape & Reel (TR)	Discontinued at Digi-Key	Polymeric	6V	350 mA	700 mA	40 A	100 ms	280 mOhms	1 Ohms	-	-	-	-	-	Surface Mount	0.063" L x 0.032" W (1.60mm x 0.80mm)	-	0.037" (0.95mm)	-
16R400GKLU PTC 16V POLYFUSE BULK RADIAL LEA Littelfuse Inc.	9,719	-	RFQ	Datasheet	Radial, Disc	POLY-FUSE®, 16R	Bulk	Obsolete	Polymeric	16V	4 A	6.8 A	100 A	1.7 s	21 mOhms	60 mOhms	-	-40°C ~ 85°C	-	-	-	Through Hole	0.350" L x 0.118" W (8.90mm x 3.00mm)	0.504" (12.80mm)	-	0.201" (5.10mm)
PSR-28690-2 PSR RESET FUSE Littelfuse Inc.	2,979	-	RFQ	Datasheet	-	*	Tape & Reel (TR)	Obsolete	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
NANOSMD175LR-E PTC RESET FUSE 6V 1.75A 1206 Littelfuse Inc.	7,574	-	RFQ	Datasheet	-	*	Tape & Reel (TR)	Obsolete	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
PSR-28445-E-2 PSR RESET FUSE Littelfuse Inc.	2,934	-	RFQ	Datasheet	-	*	Tape & Reel (TR)	Obsolete	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
MICROSMD450LR-XC-2 PTC RESET FUSE 12V 4.5A 1206 Littelfuse Inc.	5,947	-	RFQ	Datasheet	-	*	Tape & Reel (TR)	Obsolete	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-

PTC Resettable Fuses FAQ

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