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
VLR175LF PTC RESET FUSE 12V 1.75A STRAP Littelfuse Inc.	3,920	-	RFQ	Datasheet	Strap	PolySwitch®, VLR	Bulk	Active	Polymeric	12V	1.75 A	4.2 A	100 A	5 s	17 mOhms	62 mOhms	-	-40°C ~ 70°C	-	-	-	User Defined	1.201" L x 0.122" W (30.50mm x 3.10mm)	-	0.032" (0.80mm)	-
VTP175F PTC RESET FUSE 16V 1.75A STRAP Littelfuse Inc.	8,057	-	RFQ	Datasheet	Strap	PolySwitch®, VTP	Bulk	Active	Polymeric	16V	1.75 A	3.6 A	100 A	5 s	29 mOhms	102 mOhms	-	-40°C ~ 85°C	-	-	-	User Defined	0.874" L x 0.146" W (22.20mm x 3.70mm)	-	0.032" (0.80mm)	-
RGEF700-1 PTC RESET FUSE 16V 7A RADIAL Littelfuse Inc.	1,978	-	RFQ	Datasheet	Radial, Disc	PolySwitch®, RGEF	Bag	Active	Polymeric	16V	7 A	11.9 A	100 A	3.5 s	7.7 mOhms	20 mOhms	-	-40°C ~ 85°C	-	-	-	Through Hole	0.421" L x 0.098" W (10.70mm x 2.50mm)	0.776" (19.70mm)	-	0.199" (5.05mm)
AGRF500 PTC RESET FUSE 16V 5A RADIAL Littelfuse Inc.	2,710	-	RFQ	Datasheet	Radial, Disc	PolySwitch®, AGRF	Bag	Active	Polymeric	16V	5 A	9.4 A	100 A	2.5 s	14 mOhms	34 mOhms	-	-40°C ~ 85°C	Automotive	AEC-Q200	-	Through Hole	0.409" Dia x 0.122" T (10.40mm x 3.10mm)	0.614" (15.60mm)	-	0.199" (5.05mm)
AHRF450 PTC RESET FUSE 16V 4.5A RADIAL Littelfuse Inc.	4,462	-	RFQ	Datasheet	Radial, Disc	PolySwitch®, AHRF	Bag	Active	Polymeric	16V	4.5 A	8.7 A	100 A	4 s	17 mOhms	54 mOhms	-	-40°C ~ 125°C	Automotive	AEC-Q200	-	Through Hole	0.409" Dia x 0.122" T (10.40mm x 3.10mm)	0.563" (14.30mm)	-	0.199" (5.05mm)
AHRF600 PTC RESET FUSE 16V 6A RADIAL Littelfuse Inc.	2,768	-	RFQ	Datasheet	Radial, Disc	PolySwitch®, AHRF	Bag	Active	Polymeric	16V	6 A	12 A	100 A	6.5 s	10 mOhms	32 mOhms	-	-40°C ~ 125°C	Automotive	AEC-Q200	-	Through Hole	0.441" L x 0.118" W (11.20mm x 3.00mm)	0.827" (21.00mm)	-	0.199" (5.05mm)
RXEF090-AP PTC RESET FUSE 72V 900MA RADIAL Littelfuse Inc.	2,207	-	RFQ	Datasheet	Radial, Disc	PolySwitch®, RXEF	Cut Tape (CT)	Active	Polymeric	72V	900 mA	1.8 A	40 A	7.2 s	200 mOhms	470 mOhms	-	-40°C ~ 85°C	-	-	-	Through Hole	0.441" Dia x 0.118" T (11.20mm x 3.00mm)	0.622" (15.80mm)	-	0.199" (5.05mm)
LR4-600XF PTC RESET FUSE 20V 6A STRAP Littelfuse Inc.	3,129	-	RFQ	Datasheet	Strap	PolySwitch®, LR4	Bulk	Active	Polymeric	20V	6 A	11.7 A	100 A	5 s	7 mOhms	19 mOhms	-	-40°C ~ 85°C	-	-	-	User Defined	1.638" L x 0.283" W (41.60mm x 7.20mm)	-	0.039" (1.00mm)	-
RGEF300K PTC RESET FUSE 16V 3A RADIAL Littelfuse Inc.	3,717	-	RFQ	Datasheet	Radial, Disc	PolySwitch®, RGEF	Bag	Active	Polymeric	16V	3 A	5.1 A	100 A	1 s	38 mOhms	97.5 mOhms	-	-40°C ~ 85°C	-	-	-	Through Hole	0.260" L x 0.098" W (6.60mm x 2.50mm)	0.535" (13.60mm)	-	0.199" (5.05mm)
SMD250F/15-2920-2 PTC RESET FUSE 15V 2.5A 2SMD Littelfuse Inc.	7,742	-	RFQ	Datasheet	2-SMD	PolySwitch®, SMD	Tape & Reel (TR)	Active	Polymeric	15V	2.5 A	5 A	40 A	10 s	35 mOhms	85 mOhms	-	-40°C ~ 85°C	-	-	-	Surface Mount	0.290" L x 0.202" W (7.36mm x 5.12mm)	-	0.118" (3.00mm)	-

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PTC Resettable Fuses FAQ

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