1.2 ohm Non-linear Resistors 13

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Part	Manufacturer	Resistor Type	Mounting Type	Resistance	Rated Power Dissipation (P)	Maximum Operating Temperature	Tolerance	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)	Maximum Circuit RMS Voltage	Operating Voltage	Additional Features	Length (Package)	JESD-609 Code	Reference Standard	Width (Package)	Maximum Circuit DC Voltage
1206L016WR	Littelfuse	PTC RESETTABLE FUSE	SURFACE MOUNT	1.2 ohm		85 Cel		OVERCURRENT PROTECTION	DUAL ENDED		TR, 7 INCH	2	SMT		WRAPAROUND			-40 Cel	MATTE TIN	1.45 mm		30 V		3.4 mm	e3	CUL; TUV; UL	1.8 mm
2920L030DR	Littelfuse	PTC RESETTABLE FUSE	SURFACE MOUNT	1.2 ohm		85 Cel		OVERCURRENT PROTECTION	DUAL ENDED	RECTANGULAR PACKAGE	TR, 7 INCH	2	SMT		WRAPAROUND	Non-linear Resistors	7.98mm x 5.44mm x 1.25mm	-40 Cel	MATTE TIN	1.25 mm		60 V		7.98 mm	e3	CUL; TUV; UL	5.44 mm	60 V
B59965C0120A070	TDK	PTC THERMISTOR	THROUGH HOLE MOUNT	1.2 ohm		125 Cel	25 %	OVERCURRENT PROTECTION	RADIAL	DISK PACKAGE	STRIP PACK	2	Radial	30 V	WIRE			-40 Cel	TIN	14.5 mm	30 V	30 V		11 mm	e3		3.5 mm	30 V
B59965-C120-A70	TDK	PTC THERMISTOR	THROUGH HOLE MOUNT	1.2 ohm		125 Cel	25 %	OVERLOAD PROTECTION	RADIAL	DISK PACKAGE	STRIP PACK	2		24 V	WIRE			-40 Cel	Tin (Sn)						e3
SMD1206B016TF	Yageo	PTC RESETTABLE FUSE	SURFACE MOUNT	1.2 ohm		85 Cel		OVERCURRENT PROTECTION	DUAL ENDED		TR, 7 INCH	2	SMT		WRAPAROUND			-40 Cel		1.15 mm		30 V	RMIN AT 23 DEG CEL	3.4 mm		CUL; TUV; UL	1.8 mm
2920L030DR-A	Littelfuse	PTC THERMISTOR	SURFACE MOUNT	1.2 ohm		85 Cel		OVERCURRENT PROTECTION	DUAL ENDED		TR, 7 INCH	2	SMT		WRAPAROUND			-40 Cel	Matte Tin (Sn)	1.25 mm		60 V		7.98 mm	e3	AEC-Q200; CUL; TUV; UL	5.44 mm	60 V
0ZCG0014FF2C	Bel Fuse	PTC RESETTABLE FUSE	SURFACE MOUNT	1.2 ohm	.8 W	85 Cel		TEMPERATURE SENSING	DUAL ENDED		TR, 7 INCH	2	SMT		WRAPAROUND			-40 Cel	MATTE TIN	.9 mm		60 V	RMIN AT 23 DEG CEL	4.73 mm	e3	AEC-Q200; CUL; TUV; UL	3.41 mm	60 V
PTGL9SAS1R2K2B51A0	Murata Manufacturing	PTC THERMISTOR	THROUGH HOLE MOUNT	1.2 ohm	2 W	125 Cel	10 %	OVERCURRENT PROTECTION	RADIAL	DISK PACKAGE	AMMO PACK	2	Radial		WIRE			-40 Cel	Tin/Silver/Copper (Sn/Ag/Cu)	14.3 mm		30 V		9.3 mm	e1		3.5 mm
0805L036YR	Littelfuse	PTC RESETTABLE FUSE		1.2 ohm		85 Cel					Y					Non-linear Resistors	2.2mm x 1.5mm x 0.75mm	-40 Cel	MATTE TIN	.75 mm		6 V		2.2 mm	e3	UL, CSA, TUV	1.5 mm
TRF250-184	Littelfuse	PTC RESETTABLE FUSE	THROUGH HOLE MOUNT	1.2 ohm		85 Cel		OVERCURRENT PROTECTION	RADIAL		BULK	2	Radial		FLAT			-40 Cel		7.7 mm	250 V	100 V	RMAX:2.4 OHMS AT 20 DEG CEL	7.7 mm		UL, CSA, TUV	4.6 mm
1206L035PR	Littelfuse	PTC RESETTABLE FUSE		1.2 ohm		85 Cel					Y					Non-linear Resistors	3.4mm x 1.8mm x 0.75mm	-40 Cel	Matte Tin (Sn)	.75 mm		6 V		3.4 mm	e3	TUV, UL	1.8 mm
1206L035WR	Littelfuse	PTC RESETTABLE FUSE		1.2 ohm		85 Cel					Y					Non-linear Resistors	3.4mm x 1.8mm x 0.75mm	-40 Cel	Matte Tin (Sn)	.75 mm		6 V		3.4 mm	e3	TUV, UL	1.8 mm
2920L030	Littelfuse	PTC THERMISTOR	SURFACE MOUNT	1.2 ohm		85 Cel		OVERCURRENT PROTECTION	DUAL ENDED			2	SMT		WRAPAROUND	Non-linear Resistors		-40 Cel	Matte Tin (Sn)	1.25 mm		60 V	Rmax:4.8 OHMS AT 20 DEG CEL	7.98 mm	e3	CUL; TUV; UL	5.44 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.