1.4 ohm Non-linear Resistors 11

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Part	Manufacturer	Resistor Type	Mounting Type	Resistance	Rated Power Dissipation (P)	Maximum Operating Temperature	Thermistor Application	Terminal Placement	Shape (Package)	Packing Method	No. of Terminals	Package Style (Meter)	Rated AC Voltage (URac)	Terminal Shape	Sub-Category	Dimensions	Minimum Operating Temperature	Terminal Finish	Height (Package)	Manufacturer Series	Operating Voltage	Additional Features	Length (Package)	JESD-609 Code	Reference Standard	Width (Package)	Maximum Circuit DC Voltage
1812L020/60DR	Littelfuse	PTC RESETTABLE FUSE	SURFACE MOUNT	1.4 ohm		85 Cel	OVERCURRENT PROTECTION	DUAL ENDED	RECTANGULAR PACKAGE	TR, 7 INCH	2	SMT		WRAPAROUND	Non-linear Resistors	4.73mm x 3.41mm x 1.25mm	-40 Cel	MATTE TIN	1.25 mm				4.73 mm	e3	CUL; TUV; UL	3.41 mm	60 V
0ZCJ0012FF2E	Bel Fuse	PTC RESETTABLE FUSE	SURFACE MOUNT	1.4 ohm		85 Cel		DUAL ENDED		TR, 7 INCH	2	SMT		WRAPAROUND	TEMPERATURE DEPENDENT RESISTOR	3.5mm x 1.8mm x 0.85mm	-40 Cel	MATTE TIN	.85 mm		48 V	RMIN AT 23 DEG CEL	3.5 mm	e3	AEC-Q200; CUL; TUV; UL	1.8 mm	48 V
NANOSMDC012F	TE Connectivity	PTC THERMISTOR	SURFACE MOUNT	1.4 ohm			OVERLOAD PROTECTION	DUAL ENDED	RECTANGULAR PACKAGE		2			ONE SURFACE	Non-linear Resistors			TIN		NANOSMDC012F		RESISTANCE MIN IS 1.4 OHMS AT 25 DEG CEL		e3
0ZCD0050FF2C	Bel Fuse	PTC THERMISTOR	SURFACE MOUNT	1.4 ohm	1.5 W	85 Cel	TEMPERATURE SENSING	DUAL ENDED	RECTANGULAR PACKAGE	TR, 7 INCH	2			WRAPAROUND	TEMPERATURE DEPENDENT RESISTOR	7.98mm x 5.44mm x 1.55mm	-40 Cel	Matte Tin (Sn)	1.55 mm	0ZCD	60 V	RMIN-RMAX(RI-R1) OHMS:0.3-1.4AT 23 DEG CEL	7.98 mm	e3	TUV, UL	5.44 mm
250F180TF	Littelfuse	PTC RESETTABLE FUSE	THROUGH HOLE MOUNT	1.4 ohm		85 Cel	TEMPERATURE SENSING	RADIAL	DISK PACKAGE	BULK	2			WIRE			-40 Cel	Tin (Sn)		250R				e3
250F180TMR	Littelfuse	PTC RESETTABLE FUSE	THROUGH HOLE MOUNT	1.4 ohm		85 Cel	TEMPERATURE SENSING	RADIAL	DISK PACKAGE	AMMO PACK	2			WIRE			-40 Cel	Tin (Sn)		250R				e3
250R180TF	Littelfuse	PTC RESETTABLE FUSE	THROUGH HOLE MOUNT	1.4 ohm		85 Cel	OVERLOAD PROTECTION	RADIAL	DISK PACKAGE	BULK	2		250 V	WIRE	Non-linear Resistors		-40 Cel	Matte Tin (Sn)		250R		1.4 TO 4.5 OHMS MEASURED AT 20 DEG CEL		e3
250R180TMR	Littelfuse	PTC RESETTABLE FUSE	THROUGH HOLE MOUNT	1.4 ohm		85 Cel	OVERLOAD PROTECTION	RADIAL	DISK PACKAGE	AMMO PACK	2		250 V	WIRE	Non-linear Resistors	9.5mm x 4.6mm x 12mm	-40 Cel	Matte Tin (Sn)	12 mm	250R	250 V	1.4 TO 4.5 OHMS MEASURED AT 20 DEG CEL	9.5 mm	e3	TUV, UL	4.6 mm
1812L020/60DR-A	Littelfuse	PTC RESETTABLE FUSE	SURFACE MOUNT	1.4 ohm		85 Cel	OVERCURRENT PROTECTION	DUAL ENDED		TR, 7 INCH	2	SMT		WRAPAROUND			-40 Cel	MATTE TIN	1.25 mm		60 V	RESISTANCE RANGE(RMIN-R1MAX)OHM: 1.4-4.4	4.73 mm	e3	CUL; TUV; UL	3.41 mm
SMD2016P030TFA	Littelfuse	PTC RESETTABLE FUSE		1.4 ohm		85 Cel				Y					Non-linear Resistors	5.44mm x 4.43mm x 1.25mm	-40 Cel		1.25 mm	SMD2016	60 V		5.44 mm		UL, CSA, TUV	4.43 mm
NANOASMDC012F	Littelfuse	PTC RESETTABLE FUSE	SURFACE MOUNT	1.4 ohm		85 Cel	OVERCURRENT PROTECTION	DUAL ENDED		BULK	2	SMT		WRAPAROUND			-40 Cel		1 mm		48 V	RESISTANCE RANGE(MIN-MAX): 1.4-6.5	3.4 mm		AEC-Q200, TS 16949	1.8 mm

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.