PTC Resettable Fuses

Category Introduction

PTC Resettable Fuses are designed to stop current flow when it exceeds a certain limit (overcurrent protection). The Fuses work by increasing its resistance as its temperature rises due to the current increase. The trip current ranges from 14 mA to 50 A with the Time to trip ranging from 8 ms to 90 s. PTC = Positive Temperature Coefficient.

Product List

5803 Items

PDF	Mfr Part #	Quantity Available	UnitPrice	RFQ	Series	Packaging	Product Status	Type	Voltage - Max	Current - Max	Current - Hold (Ih) (Max)	Current - Trip (It)	Time to Trip	Resistance - Initial (Ri) (Min)	Resistance - Post Trip (R1) (Max)	Resistance - 25°C (Typ)	Operating Temperature	Ratings	Mounting Type	Package / Case	Size / Dimension	Height - Seated (Max)	Thickness (Max)	Lead Spacing
	MF-RHT200-0 PTC RESET FUSE 16V 2A RADIAL Bourns Inc.	675	$0.80		Multifuse®, MF-RHT	Bulk	Active	Polymeric	16V	100 A	2 A	3.8 A	3 s	45 mOhms	110 mOhms	-	-40°C ~ 125°C	AEC-Q200	Through Hole	Radial, Disc	0.370" Dia x 0.118" T (9.40mm x 3.00mm)	0.551" (14.00mm)	-	0.114" (2.90mm)
	0ZSC0380FF1E PTC RESET FUSE 20V 3.8A STRAP Bel Fuse Inc.	720	$0.81		0ZSC	Bulk	Active	Polymeric	20V	100 A	3.8 A	8.3 A	5 s	13 mOhms	37 mOhms	-	-40°C ~ 85°C	-	User Defined	Strap	0.984" L x 0.283" W (25.00mm x 7.20mm)	-	0.039" (1.00mm)	-
	AHEF050 PTC RESET FUSE 32V 500MA RADIAL Littelfuse Inc.	343	$0.81		PolySwitch®, AHEF	Bag	Active	Polymeric	32V	100 A	500 mA	1 A	3 s	350 mOhms	1.1 Ohms	-	-40°C ~ 125°C	AEC-Q200	Through Hole	Radial, Disc	0.291" Dia x 0.130" T (7.40mm x 3.30mm)	0.500" (12.70mm)	-	0.199" (5.05mm)
	MF-RHT450-0 PTC RESET FUSE 16V 4.5A RADIAL Bourns Inc.	20	$0.83		Multifuse®, MF-RHT	Bulk	Active	Polymeric	16V	100 A	4.5 A	7.8 A	3 s	22 mOhms	54 mOhms	-	-40°C ~ 125°C	AEC-Q200	Through Hole	Radial, Disc	0.409" L x 0.118" W (10.40mm x 3.00mm)	0.614" (15.60mm)	-	0.114" (2.90mm)
	250R180F PTC RESET FUSE 60V 180MA RADIAL Littelfuse Inc.	917	$0.84		POLY-FUSE®, 250R	Bulk	Active	Polymeric	60V (250V Int)	10 A	180 mA	650 mA	20 s	800 mOhms	4 Ohms	-	-40°C ~ 85°C	-	Through Hole	Radial, Disc	0.374" Dia x 0.181" T (9.50mm x 4.60mm)	0.472" (12.00mm)	-	0.201" (5.10mm)
	MF-LR450 PTC RESET FUSE 16V 4.5A STRAP Bourns Inc.	740	$0.85		Multifuse®, MF-LR	Bulk	Active	Polymeric	16V	100 A	4.5 A	8.9 A	5 s	11 mOhms	28 mOhms	-	-40°C ~ 85°C	-	User Defined	Strap	0.984" L x 0.402" W (25.00mm x 10.21mm)	-	0.039" (1.00mm)	-
	VLR230F PTC RESET FUSE 12V 2.3A STRAP Littelfuse Inc.	205	$0.96		PolySwitch®, VLR	Bulk	Active	Polymeric	12V	100 A	2.3 A	5 A	5 s	12 mOhms	36 mOhms	-	-	-	User Defined	Strap	0.866" L x 0.201" W (22.00mm x 5.10mm)	-	0.032" (0.80mm)	-
	B59980C0120A070 PTC RESET FUSE 80V 85MA RADIAL EPCOS - TDK Electronics	13	$0.96		Automotive, AEC-Q200	Bulk	Active	Ceramic	80V	1 A	85 mA	170 mA	-	-	-	25 Ohms	-40°C ~ 125°C	-	Through Hole	Radial, Disc	0.256" Dia x 0.138" T (6.50mm x 3.50mm)	0.394" (10.00mm)	-	0.197" (5.00mm)
	B59970C0130A070 PTC RESET FUSE 80V 150MA RADIAL EPCOS - TDK Electronics	436	$0.97		Automotive, AEC-Q200	Bulk	Active	Ceramic	80V	1 A	150 mA	240 mA	-	-	-	20 Ohms	-40°C ~ 125°C	-	Through Hole	Radial, Disc	0.256" Dia x 0.138" T (6.50mm x 3.50mm)	0.394" (10.00mm)	-	0.197" (5.00mm)
	VTP170F PTC RESET FUSE 16V 1.7A STRAP Littelfuse Inc.	966	$1.01		PolySwitch®, VTP	Bulk	Active	Polymeric	16V	100 A	1.7 A	3.4 A	5 s	30 mOhms	105 mOhms	-	-40°C ~ 85°C	-	User Defined	Strap	0.648" L x 0.283" W (16.45mm x 7.20mm)	-	0.032" (0.80mm)	-
	B59995C0160A070 PTC RESET FUSE 20V 150MA RADIAL EPCOS - TDK Electronics	32	$1.11		Automotive, AEC-Q200	Bulk	Active	Ceramic	20V	700 mA	150 mA	300 mA	-	-	-	13 Ohms	-40°C ~ 85°C	-	Through Hole	Radial, Disc	0.157" Dia x 0.138" T (4.00mm x 3.50mm)	0.295" (7.50mm)	-	0.197" (5.00mm)
	RGEF1200 PTC RESET FUSE 16V 12A RADIAL Littelfuse Inc.	638	$1.10		PolySwitch®, RGEF	Bag	Active	Polymeric	16V	100 A	12 A	20.4 A	7.5 s	3.3 mOhms	8.6 mOhms	-	-40°C ~ 85°C	-	Through Hole	Radial, Disc	0.670" L x 0.520" W (16.95mm x 2.90mm)	1.102" (28.00mm)	-	0.400" (10.15mm)
	LR4-450F PTC RESET FUSE 20V 4.5A STRAP Littelfuse Inc.	98	$1.13		PolySwitch®, LR4	Bag	Active	Polymeric	20V	100 A	4.5 A	8.9 A	5 s	11 mOhms	28 mOhms	-	-40°C ~ 85°C	-	User Defined	Strap	0.984" L x 0.413" W (25.00mm x 10.50mm)	-	0.039" (1.00mm)	-
	B59880C0160A070 PTC RESET FUSE 160V 70MA RADIAL EPCOS - TDK Electronics	587	$1.21			Bulk	Active	Ceramic	160V	400 mA	70 mA	140 mA	-	-	-	70 Ohms	0°C ~ 60°C	-	Through Hole	Radial, Disc	0.256" Dia x 0.197" T (6.50mm x 5.00mm)	0.394" (10.00mm)	-	0.197" (5.00mm)
	MF-RHT750-0 PTC RESET FUSE 16V 7.5A RADIAL Bourns Inc.	527	$1.32		Multifuse®, MF-RHT	Bulk	Active	Polymeric	16V	100 A	7.5 A	13.1 A	7 s	9.4 mOhms	22 mOhms	-	-40°C ~ 125°C	AEC-Q200	Through Hole	Radial, Disc	0.551" L x 0.118" W (14.00mm x 3.00mm)	0.925" (23.50mm)	-	0.114" (2.90mm)
	B59975C0120A070 PTC RESET FUSE 30V 450MA RADIAL EPCOS - TDK Electronics	512	$1.52		Automotive, AEC-Q200	Bulk	Active	Ceramic	30V	3 A	450 mA	900 mA	-	-	-	1.8 Ohms	-40°C ~ 85°C	AEC-Q200	Through Hole	Radial, Disc	0.354" Dia x 0.138" T (9.00mm x 3.50mm)	0.492" (12.50mm)	-	0.197" (5.00mm)
	B59860C0160A070 PTC RESET FUSE 160V 180MA RADIAL EPCOS - TDK Electronics	433	$1.50			Bulk	Active	Ceramic	160V	1.5 A	180 mA	360 mA	-	-	-	15 Ohms	0°C ~ 60°C	-	Through Hole	Radial, Disc	0.433" Dia x 0.197" T (11.00mm x 5.00mm)	0.571" (14.50mm)	-	0.197" (5.00mm)
	MF-RHT1300-0 PTC RESET FUSE 16V 13A RADIAL Bourns Inc.	324	$1.67		Multifuse®, MF-RHT	Bulk	Active	Polymeric	16V	100 A	13 A	24 A	13 s	4.1 mOhms	10 mOhms	-	-40°C ~ 125°C	AEC-Q200	Through Hole	Radial, Disc	0.925" L x 0.142" W (23.50mm x 3.60mm)	1.130" (28.70mm)	-	0.215" (5.45mm)
	TRF600-250 PTC RESET FUSE 250V 250MA RADIAL Littelfuse Inc.	312	$1.77		PolySwitch®, TRF600	Bulk	Active	Polymeric	250V (600V Int)	3 A	250 mA	850 mA	1 s	1 Ohms	7 Ohms	4.3 Ohms	-40°C ~ 85°C	-	Through Hole	Radial, Disc	0.591" L x 0.181" W (15.00mm x 4.60mm)	0.571" (14.50mm)	-	0.197" (5.00mm)
	YQS5745PTO PTC RESET FUSE 25V RADIAL DISC Amphenol Thermometrics	246	$1.78		PTO	Bulk	Active	Ceramic	25V	-	-	-	-	-	-	50 Ohms	10°C ~ 55°C	-	Through Hole	Radial, Disc	0.350" Dia x 0.150" T (8.90mm x 3.80mm)	0.394" (10.00mm)	-	0.197" (5.00mm)