PTC Resettable Fuses

Explore PTC Resettable Fuses parts from multiple manufacturers, with model information, availability, datasheets and technical specifications for engineering and purchasing.

For parts that are not shown in the list, send the manufacturer part number, quantity or BOM to JIEXIN Electronics. Our team can assist with availability checks and quotation support.

Mfr. Part #	Availability	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
RLD60P375XF PTC RESET FUSE 60V 3.75A RADIAL Littelfuse Inc.	9,017	RFQ	Datasheet	Radial, Disc	POLY-FUSE®, RLD60	Tape & Box (TB)	Obsolete	Polymeric	60V	3.75 A	7.5 A	40 A	24 s	30 mOhms	80 mOhms	-	-40°C ~ 85°C	-	-	-	Through Hole	1.118" Dia x 0.122" T (28.40mm x 3.10mm)	1.319" (33.50mm)	-	0.402" (10.20mm)
AHR1000 PTC RESET FUSE 16V 10A RADIAL Littelfuse Inc.	3,609	RFQ	Datasheet	Radial, Disc	PolySwitch®, AHR	Bulk	Obsolete	Polymeric	16V	10 A	20.5 A	100 A	10.5 s	5.1 mOhms	10.5 mOhms	-	-40°C ~ 125°C	Automotive	AEC-Q200	-	Through Hole	0.689" L x 0.118" W (17.50mm x 3.00mm)	1.043" (26.50mm)	-	0.400" (10.15mm)
RUSB155 PTC RESET FUSE 6V 1.55A RADIAL Littelfuse Inc.	4,996	RFQ	Datasheet	Radial, Disc	PolySwitch®	Bulk	Obsolete	Polymeric	6V	1.55 A	2.65 A	40 A	2.2 s	40 mOhms	100 mOhms	-	-	-	-	-	Through Hole	0.272" Dia x 0.122" T (6.90mm x 3.10mm)	0.461" (11.70mm)	-	0.201" (5.10mm)
RTE120 PTC RESET FUSE 33V 1.2A RADIAL Littelfuse Inc.	4,154	RFQ	Datasheet	Radial, Disc	PolySwitch®	Bulk	Obsolete	Polymeric	33V	1.2 A	2.3 A	40 A	3.5 s	74 mOhms	180 mOhms	-	-	-	-	-	Through Hole	0.291" L x 0.118" W (7.40mm x 3.00mm)	0.480" (12.20mm)	-	0.199" (5.05mm)
RTE135 PTC RESET FUSE 33V 1.35A RADIAL Littelfuse Inc.	3,782	RFQ	Datasheet	Radial, Disc	PolySwitch®	Bulk	Obsolete	Polymeric	33V	1.35 A	2.5 A	40 A	4.5 s	59 mOhms	143 mOhms	-	-	-	-	-	Through Hole	0.291" L x 0.118" W (7.40mm x 3.00mm)	0.559" (14.20mm)	-	0.199" (5.05mm)
RTE190 PTC RESET FUSE 33V 1.9A RADIAL Littelfuse Inc.	4,450	RFQ	Datasheet	Radial, Disc	PolySwitch®	Bulk	Obsolete	Polymeric	33V	1.9 A	3 A	40 A	3.5 s	45 mOhms	92 mOhms	-	-	-	-	-	Through Hole	0.350" L x 0.118" W (8.90mm x 3.00mm)	0.532" (13.50mm)	-	0.199" (5.05mm)
MF-R055/90-0 PTC RESET FUSE 90V 550MA RADIAL Bourns Inc.	8,905	RFQ	Datasheet	Radial, Disc	Multifuse®, MF-R/90	Bulk	Obsolete	Polymeric	90V	550 mA	1.1 A	10 A	60 s	450 mOhms	2 Ohms	-	-40°C ~ 85°C	-	-	-	Through Hole	0.429" Dia x 0.142" T (10.90mm x 3.60mm)	0.657" (16.70mm)	-	0.201" (5.10mm)
MF-R055/90U-0 PTC RESET FUSE 90V 550MA RADIAL Bourns Inc.	5,176	RFQ	Datasheet	Radial, Disc	Multifuse®, MF-R/90	Bulk	Obsolete	Polymeric	90V	550 mA	1.1 A	10 A	28 s	450 mOhms	2 Ohms	-	-40°C ~ 85°C	-	-	-	Through Hole	0.429" Dia x 0.142" T (10.90mm x 3.60mm)	0.657" (16.70mm)	-	0.201" (5.10mm)
PFRA.017.3 PTC RESET FUSE 60V 170MA RADIAL SCHURTER Inc.	5,162	RFQ	Datasheet	Radial, Disc	PFRA	Tape & Box (TB)	Obsolete	Polymeric	60V	170 mA	340 mA	40 A	3 s	3.3 Ohms	8 Ohms	-	-40°C ~ 85°C	-	-	-	Through Hole	0.291" Dia x 0.122" T (7.40mm x 3.10mm)	0.500" (12.70mm)	-	0.201" (5.10mm)
PFRA.025.3 PTC RESET FUSE 60V 250MA RADIAL SCHURTER Inc.	8,286	RFQ	Datasheet	Radial, Disc	PFRA	Tape & Box (TB)	Obsolete	Polymeric	60V	250 mA	500 mA	40 A	2.5 s	1 Ohms	3 Ohms	-	-40°C ~ 85°C	-	-	-	Through Hole	0.291" Dia x 0.122" T (7.40mm x 3.10mm)	0.500" (12.70mm)	-	0.201" (5.10mm)
PFRA.010.3 PTC RESET FUSE 60V 100MA RADIAL SCHURTER Inc.	7,943	RFQ	Datasheet	Radial, Disc	PFRA	Tape & Box (TB)	Obsolete	Polymeric	60V	100 mA	200 mA	40 A	4 s	2.5 Ohms	7.5 Ohms	-	-40°C ~ 85°C	-	-	-	Through Hole	0.291" Dia x 0.122" T (7.40mm x 3.10mm)	0.500" (12.70mm)	-	0.201" (5.10mm)
PFRA.090.3.009 PTC RESET FUSE 30V 900MA RADIAL SCHURTER Inc.	4,857	RFQ	Datasheet	Radial, Disc	PFRA	Tape & Box (TB)	Obsolete	Polymeric	30V	900 mA	1.8 A	40 A	5.9 s	70 mOhms	220 mOhms	-	-40°C ~ 85°C	-	-	-	Through Hole	0.461" Dia x 0.122" T (11.70mm x 3.10mm)	0.657" (16.70mm)	-	0.201" (5.10mm)
PFRA.040.3 PTC RESET FUSE 60V 400MA RADIAL SCHURTER Inc.	6,457	RFQ	Datasheet	Radial, Disc	PFRA	Tape & Box (TB)	Obsolete	Polymeric	60V	400 mA	800 mA	40 A	3.8 s	520 mOhms	1.29 Ohms	-	-40°C ~ 85°C	-	-	-	Through Hole	0.291" Dia x 0.122" T (7.40mm x 3.10mm)	0.539" (13.70mm)	-	0.201" (5.10mm)
PFRA.065.3 PTC RESET FUSE 60V 650MA RADIAL SCHURTER Inc.	7,715	RFQ	Datasheet	Radial, Disc	PFRA	Tape & Box (TB)	Obsolete	Polymeric	60V	650 mA	1.3 A	40 A	5.3 s	270 mOhms	720 mOhms	-	-40°C ~ 85°C	-	-	-	Through Hole	0.382" Dia x 0.122" T (9.70mm x 3.10mm)	0.598" (15.20mm)	-	0.201" (5.10mm)
PFRA.050.3 PTC RESET FUSE 60V 500MA RADIAL SCHURTER Inc.	9,206	RFQ	Datasheet	Radial, Disc	PFRA	Tape & Box (TB)	Obsolete	Polymeric	60V	500 mA	1 A	40 A	4 s	410 mOhms	1.17 Ohms	-	-40°C ~ 85°C	-	-	-	Through Hole	0.311" Dia x 0.122" T (7.90mm x 3.10mm)	0.539" (13.70mm)	-	0.201" (5.10mm)
PFST.200 PTC RESET FUSE 30V 2A STRAP SCHURTER Inc.	4,885	RFQ	Datasheet	Strap	PFST	Bulk	Obsolete	Polymeric	30V	2 A	4.4 A	100 A	4 s	30 mOhms	80 mOhms	-	-40°C ~ 85°C	-	-	-	User Defined	0.880" L x 0.417" W (22.35mm x 10.60mm)	-	0.043" (1.10mm)	-
PFLT.180 PTC RESET FUSE 24V 1.8A STRAP SCHURTER Inc.	2,806	RFQ	Datasheet	Strap	PFLT	Bulk	Obsolete	Polymeric	24V	1.8 A	3.8 A	100 A	2.9 s	40 mOhms	120 mOhms	-	-45°C ~ 85°C	-	-	-	User Defined	0.984" L x 0.199" W (25.00mm x 5.05mm)	-	0.039" (1.00mm)	-
PFLT.190 PTC RESET FUSE 24V 1.9A STRAP SCHURTER Inc.	5,378	RFQ	Datasheet	Strap	PFLT	Bulk	Obsolete	Polymeric	24V	1.9 A	4.2 A	100 A	3 s	30 mOhms	100 mOhms	-	-45°C ~ 85°C	-	-	-	User Defined	0.880" L x 0.417" W (22.35mm x 10.60mm)	-	0.043" (1.10mm)	-
PFLT.070 PTC RESET FUSE 24V 700MA STRAP SCHURTER Inc.	8,470	RFQ	Datasheet	Strap	PFLT	Bulk	Obsolete	Polymeric	24V	700 mA	-	100 A	-	-	-	-	-45°C ~ 85°C	-	-	-	User Defined	-	-	-	-
PFRA.135.3 PTC RESET FUSE 30V 1.35A RADIAL SCHURTER Inc.	8,219	RFQ	Datasheet	Radial, Disc	PFRA	Tape & Box (TB)	Obsolete	Polymeric	30V	1.35 A	2.7 A	40 A	7.3 s	65 mOhms	170 mOhms	-	-40°C ~ 85°C	-	-	-	Through Hole	0.350" Dia x 0.118" T (8.90mm x 3.00mm)	0.744" (18.90mm)	-	0.201" (5.10mm)

FAQ

Frequently Asked Questions

What are PTC Resettable Fuses components used for?

PTC Resettable Fuses components are used in a wide range of electronic equipment and systems. Their exact function depends on the device, circuit design and technical requirements of the application.

How do I choose the right PTC Resettable Fuses part?

Compare the manufacturer part number, key specifications, package type, operating conditions, availability and datasheet information. For replacement projects, always verify the critical electrical and mechanical parameters before selecting an alternative.

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