2 W Non-linear Resistors 149

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Part	Manufacturer	Resistor Type	Mounting Type	Rated Power Dissipation (P)	Maximum Operating Temperature	Rated Temperature	Thermistor Application	Terminal Placement	Technology	Shape (Package)	Maximum Energy Absorbing Capacity	Packing Method	No. of Terminals	Package Style (Meter)	Rated AC Voltage (URac)	Terminal Shape	Sub-Category	Minimum Operating Temperature	Terminal Finish	Height (Package)	Manufacturer Series	Maximum Circuit RMS Voltage	Operating Voltage	Additional Features	Length (Package)	JESD-609 Code	Width (Package)	Maximum Circuit DC Voltage
V321HC40	Littelfuse	VARISTOR	THROUGH HOLE MOUNT	2 W	125 Cel	85 Cel		RADIAL	METAL OXIDE FILM	DISK PACKAGE	460 J		2	Radial		FLAT	Non-linear Resistors	-55 Cel	TIN			320 V	420 V			e3		420 V
V571HC40	Littelfuse	VARISTOR	THROUGH HOLE MOUNT	2 W	85 Cel	85 Cel		RADIAL	METAL OXIDE FILM	DISK PACKAGE	770 J		2	Radial		LUG	Non-linear Resistors	-55 Cel	TIN			575 V	730 V			e3		730 V
V511NA34	Littelfuse	VARISTOR	CHASSIS MOUNT	2 W	85 Cel	85 Cel		DUAL		RECTANGULAR PACKAGE	700 J	BULK	2			SPECIAL	Non-linear Resistors	-55 Cel				510 V	675 V					675 V
V571CA40PC	Littelfuse	VARISTOR	CHASSIS MOUNT	2 W	125 Cel	85 Cel		DUAL		DISK PACKAGE	770 J	BULK	2			SPECIAL	Non-linear Resistors	-55 Cel				575 V	730 V					730 V
V151CA40NS	Littelfuse	VARISTOR	SURFACE MOUNT	2 W	125 Cel	85 Cel		DUAL		DISK PACKAGE	300 J	BULK	2			SPECIAL	Non-linear Resistors	-55 Cel				150 V	200 V					200 V
V141NA34	Littelfuse	VARISTOR	CHASSIS MOUNT	2 W	85 Cel	85 Cel		DUAL		RECTANGULAR PACKAGE	291 J	BULK	2			SPECIAL	Non-linear Resistors	-55 Cel				140 V	188 V					188 V
V481HC32	Littelfuse	VARISTOR	THROUGH HOLE MOUNT	2 W	125 Cel	85 Cel		RADIAL	METAL OXIDE FILM	DISK PACKAGE	450 J		2	Radial		FLAT	Non-linear Resistors	-55 Cel	TIN			480 V	640 V			e3		640 V
SMOV34S111MP	Littelfuse	VARISTOR	THROUGH HOLE MOUNT	2 W	75 Cel			RADIAL	METAL OXIDE FILM		280 J		5	RECTANGULAR		FLAT AND WIRE		-45 Cel		44.5 mm		115 V	150 V		41 mm		20 mm	150 V
V271CA40NS	Littelfuse	VARISTOR	CHASSIS MOUNT	2 W	125 Cel	85 Cel		DUAL		DISK PACKAGE	400 J	BULK	2			SPECIAL	Non-linear Resistors	-55 Cel				275 V	369 V					369 V
V271CA40PS	Littelfuse	VARISTOR	CHASSIS MOUNT	2 W	125 Cel	85 Cel		DUAL		DISK PACKAGE	400 J	BULK	2			SPECIAL	Non-linear Resistors	-55 Cel				275 V	369 V					369 V
V131CA40NS	Littelfuse	VARISTOR	SURFACE MOUNT	2 W	125 Cel	85 Cel		DUAL		DISK PACKAGE	270 J	BULK	2			SPECIAL	Non-linear Resistors	-55 Cel				130 V	175 V					175 V
V271CA40NC	Littelfuse	VARISTOR	CHASSIS MOUNT	2 W	125 Cel	85 Cel		DUAL		DISK PACKAGE	400 J	BULK	2			SPECIAL	Non-linear Resistors	-55 Cel				275 V	369 V					369 V
V151CA40PC	Littelfuse	VARISTOR	SURFACE MOUNT	2 W	125 Cel	85 Cel		DUAL		DISK PACKAGE	300 J	BULK	2			SPECIAL	Non-linear Resistors	-55 Cel				150 V	200 V					200 V
V481CA40NS	Littelfuse	VARISTOR	CHASSIS MOUNT	2 W	125 Cel	85 Cel		DUAL		DISK PACKAGE	650 J	BULK	2			SPECIAL	Non-linear Resistors	-55 Cel				480 V	640 V					640 V
V131CA40PS	Littelfuse	VARISTOR	SURFACE MOUNT	2 W	125 Cel	85 Cel		DUAL		DISK PACKAGE	270 J	BULK	2			SPECIAL	Non-linear Resistors	-55 Cel				130 V	175 V					175 V
V481NA34	Littelfuse	VARISTOR	SURFACE MOUNT	2 W	125 Cel	85 Cel		DUAL		RECTANGULAR PACKAGE	650 J	BULK	2			SPECIAL	Non-linear Resistors	-55 Cel				480 V	640 V					640 V
V251CA40NS	Littelfuse	VARISTOR	CHASSIS MOUNT	2 W	125 Cel	85 Cel		DUAL		DISK PACKAGE	370 J	BULK	2			SPECIAL	Non-linear Resistors	-55 Cel				250 V	330 V					330 V
V481CA40PC	Littelfuse	VARISTOR	CHASSIS MOUNT	2 W	125 Cel	85 Cel		DUAL		DISK PACKAGE	650 J	BULK	2			SPECIAL	Non-linear Resistors	-55 Cel				480 V	640 V					640 V
V481CA40	Littelfuse	VARISTOR	CHASSIS MOUNT	2 W	85 Cel			DUAL		DISK PACKAGE	650 J	BULK	2			SPECIAL	Non-linear Resistors	-55 Cel				480 V	640 V					640 V
V321CA40NS	Littelfuse	VARISTOR	CHASSIS MOUNT	2 W	125 Cel	85 Cel		DUAL		DISK PACKAGE	460 J	BULK	2			SPECIAL	Non-linear Resistors	-55 Cel				320 V	420 V					420 V
SMOV34S251MP	Littelfuse	VARISTOR	THROUGH HOLE MOUNT	2 W	75 Cel			RADIAL	METAL OXIDE FILM		490 J		5	RECTANGULAR		FLAT AND WIRE		-45 Cel		44.5 mm		250 V	320 V		41 mm		20 mm	320 V
V251HC32	Littelfuse	VARISTOR	CHASSIS MOUNT	2 W	85 Cel	85 Cel		RADIAL	METAL OXIDE FILM	DISK PACKAGE	330 J		2	Radial		LUG	Non-linear Resistors	-55 Cel	TIN			250 V	330 V			e3		330 V
V661HC32	Littelfuse	VARISTOR	THROUGH HOLE MOUNT	2 W	125 Cel	85 Cel		RADIAL	METAL OXIDE FILM	DISK PACKAGE	600 J		2	Radial		FLAT	Non-linear Resistors	-55 Cel	TIN			660 V	850 V			e3		850 V
V271HC32	Littelfuse	VARISTOR	THROUGH HOLE MOUNT	2 W	125 Cel	85 Cel		RADIAL	METAL OXIDE FILM	DISK PACKAGE	360 J		2	Radial		FLAT	Non-linear Resistors	-55 Cel	TIN			275 V	369 V			e3		369 V
V321HC32	Littelfuse	VARISTOR	THROUGH HOLE MOUNT	2 W	85 Cel	85 Cel		RADIAL	METAL OXIDE FILM	DISK PACKAGE	390 J		2	Radial		LUG	Non-linear Resistors	-55 Cel	TIN			320 V	420 V			e3		420 V
SMOV34S421NP	Littelfuse	VARISTOR	THROUGH HOLE MOUNT	2 W	75 Cel			RADIAL	METAL OXIDE FILM		910 J		2	RECTANGULAR		FLAT		-45 Cel		44.5 mm		420 V	560 V		41 mm		20 mm	560 V
SMOV34S421MP	Littelfuse	VARISTOR	THROUGH HOLE MOUNT	2 W	75 Cel			RADIAL	METAL OXIDE FILM		910 J		5	RECTANGULAR		FLAT AND WIRE		-45 Cel		44.5 mm		420 V	560 V		41 mm		20 mm	560 V
SMOV34S621NP	Littelfuse	VARISTOR	THROUGH HOLE MOUNT	2 W	75 Cel			RADIAL	METAL OXIDE FILM		1010 J		2	RECTANGULAR		FLAT		-45 Cel		44.5 mm		620 V	800 V		41 mm		20 mm	800 V
SMOV34S181NP	Littelfuse	VARISTOR	THROUGH HOLE MOUNT	2 W	75 Cel			RADIAL	METAL OXIDE FILM		400 J		2	RECTANGULAR		FLAT		-45 Cel		44.5 mm		180 V	240 V		41 mm		20 mm	240 V
V321CA40	Littelfuse	VARISTOR	CHASSIS MOUNT	2 W	85 Cel			DUAL		CYLINDRICAL PACKAGE	460 J	BULK	2			SPECIAL	Non-linear Resistors	-55 Cel				320 V	420 V					420 V
V421CA40	Littelfuse	VARISTOR	CHASSIS MOUNT	2 W	85 Cel			DUAL		CYLINDRICAL PACKAGE	600 J	BULK	2			SPECIAL	Non-linear Resistors	-55 Cel				420 V	560 V					560 V
V251NA34	Littelfuse	VARISTOR	CHASSIS MOUNT	2 W	85 Cel	85 Cel		DUAL		DISK PACKAGE	370 J	BULK	2			SPECIAL	Non-linear Resistors	-55 Cel				250 V	330 V					330 V
V151NA34	Littelfuse	VARISTOR	CHASSIS MOUNT	2 W	85 Cel	85 Cel		DUAL		RECTANGULAR PACKAGE	300 J	BULK	2			SPECIAL	Non-linear Resistors	-55 Cel				150 V	200 V					200 V
V131CA40NC	Littelfuse	VARISTOR	SURFACE MOUNT	2 W	125 Cel	85 Cel		DUAL		DISK PACKAGE	270 J	BULK	2			SPECIAL	Non-linear Resistors	-55 Cel				130 V	175 V					175 V
V661NA34	Littelfuse	VARISTOR	SURFACE MOUNT	2 W	125 Cel	85 Cel		DUAL		RECTANGULAR PACKAGE	900 J	BULK	2			SPECIAL	Non-linear Resistors	-55 Cel				660 V	850 V					850 V
V661CA40NC	Littelfuse	VARISTOR	CHASSIS MOUNT	2 W	125 Cel	85 Cel		DUAL		DISK PACKAGE	900 J	BULK	2			SPECIAL	Non-linear Resistors	-55 Cel				660 V	850 V					850 V
V751CA40PS	Littelfuse	VARISTOR	CHASSIS MOUNT	2 W	125 Cel	85 Cel		DUAL		DISK PACKAGE	1050 J	BULK	2			SPECIAL	Non-linear Resistors	-55 Cel				750 V	970 V					970 V
V511HC32	Littelfuse	VARISTOR	THROUGH HOLE MOUNT	2 W	85 Cel	85 Cel		RADIAL	METAL OXIDE FILM	DISK PACKAGE	500 J		2	Radial		LUG	Non-linear Resistors	-55 Cel	TIN			510 V	675 V			e3		675 V
V131CA40PC	Littelfuse	VARISTOR	SURFACE MOUNT	2 W	125 Cel	85 Cel		DUAL		DISK PACKAGE	270 J	BULK	2			SPECIAL	Non-linear Resistors	-55 Cel				130 V	175 V					175 V
V571CA40PS	Littelfuse	VARISTOR	CHASSIS MOUNT	2 W	125 Cel	85 Cel		DUAL		DISK PACKAGE	770 J	BULK	2			SPECIAL	Non-linear Resistors	-55 Cel				575 V	730 V					730 V
V751CA40NS	Littelfuse	VARISTOR	CHASSIS MOUNT	2 W	125 Cel	85 Cel		DUAL		DISK PACKAGE	1050 J	BULK	2			SPECIAL	Non-linear Resistors	-55 Cel				750 V	970 V					970 V
V511CA40PC	Littelfuse	VARISTOR	CHASSIS MOUNT	2 W	125 Cel	85 Cel		DUAL		DISK PACKAGE	700 J	BULK	2			SPECIAL	Non-linear Resistors	-55 Cel				510 V	675 V					675 V
V151HC40	Littelfuse	VARISTOR	THROUGH HOLE MOUNT	2 W	85 Cel	85 Cel		RADIAL	METAL OXIDE FILM	DISK PACKAGE	300 J		2	Radial		LUG	Non-linear Resistors	-55 Cel	TIN			150 V	200 V			e3		200 V
V481HC40	Littelfuse	VARISTOR	THROUGH HOLE MOUNT	2 W	125 Cel	85 Cel		RADIAL	METAL OXIDE FILM	DISK PACKAGE	650 J		2	Radial		FLAT	Non-linear Resistors	-55 Cel	TIN			480 V	640 V			e3		640 V
V421HC32	Littelfuse	VARISTOR	THROUGH HOLE MOUNT	2 W	125 Cel	85 Cel		RADIAL	METAL OXIDE FILM	DISK PACKAGE	400 J		2	Radial		FLAT	Non-linear Resistors	-55 Cel	TIN			420 V	560 V			e3		560 V
V151HC32	Littelfuse	VARISTOR	THROUGH HOLE MOUNT	2 W	125 Cel	85 Cel		RADIAL	METAL OXIDE FILM	DISK PACKAGE	220 J		2	Radial		FLAT	Non-linear Resistors	-55 Cel	TIN			150 V	200 V			e3		200 V
LVR040S-AP	Littelfuse	PTC THERMISTOR	THROUGH HOLE MOUNT	2 W			OVERLOAD PROTECTION	RADIAL		RECTANGULAR PACKAGE		AMMO PACK	2		240 V	WIRE			TIN		LVR			RESISTANCE VARIES FROM 0.60 TO 0.97		e3
LVR040S-1	Littelfuse	PTC RESETTABLE FUSE	THROUGH HOLE MOUNT	2 W	85 Cel		TEMPERATURE SENSING	RADIAL		RECTANGULAR PACKAGE		BULK	2		240 V	WIRE								RESISTANCE RANGE(MIN-MAX): 0.6-0.97

Non-linear Resistors

Non-linear resistors, also known as varistors or voltage-dependent resistors, are electronic components that exhibit a nonlinear resistance characteristic with respect to the applied voltage. They are primarily used for voltage clamping, surge protection, and transient suppression in electronic circuits.

The resistance of a varistor decreases with an increase in voltage, allowing it to provide a low resistance path for transient currents that exceed a specified threshold. When the voltage level drops below the threshold, the resistance increases, returning the varistor to its high impedance state. This property makes them useful for protecting sensitive electronic components from voltage surges and spikes.

Varistors are available in two types: metal oxide varistors (MOVs) and silicon carbide varistors (SiCVs). MOVs are the most common type, and they can handle a wider range of voltages than SiCVs. SiCVs, on the other hand, can handle higher temperatures and are more suitable for high power applications.

Non-linear resistors are widely used in power supplies, surge protectors, electronic ballasts, motor control circuits, and telecommunication systems. They are available in various package types, including through-hole, surface mount, and radial leaded packages.