Bourns Non-linear Resistors 557

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Part	Manufacturer	Resistor Type	Mounting Type	Resistance	Rated Power Dissipation (P)	Maximum Operating Temperature	Tolerance	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)	Maximum Circuit RMS Voltage	Operating Voltage	Additional Features	Length (Package)	JESD-609 Code	Reference Standard	Width (Package)	Maximum Circuit DC Voltage
MF-MSHT020KX-2	Bourns	PTC RESETTABLE FUSE	SURFACE MOUNT	.5 ohm		125 Cel		OVERCURRENT PROTECTION	DUAL ENDED				TR, 7 INCH	2	SMT		WRAPAROUND		-40 Cel		.85 mm		42 V	RMIN AT 23 DEG CEL	4.83 mm		AEC-Q200; CUL; TUV; UL	3.41 mm
MF-NSML260-2	Bourns	PTC RESETTABLE FUSE	SURFACE MOUNT	.003 ohm		85 Cel		OVERCURRENT PROTECTION	DUAL ENDED				TR	2	SMT		WRAPAROUND		-40 Cel	GOLD OVER NICKEL	.6 mm		6 V	RMIN AT 23 DEG CEL	3.5 mm	e4	CUL, TUV, UL	1.8 mm
MF-R017-0-99	Bourns	PTC RESETTABLE FUSE	THROUGH HOLE MOUNT			85 Cel		OVERCURRENT PROTECTION	RADIAL		DISK PACKAGE		Bulk	2	Radial		WIRE		-40 Cel	TIN	12.7 mm		60 V	MINIMUM RESISTANCE IS 2 OHMS	7.4 mm	e3	CUL, TUV, UL	3.1 mm	60 V
MF-RG1100-0	Bourns	PTC RESETTABLE FUSE	THROUGH HOLE MOUNT	.0037 ohm		85 Cel		OVERCURRENT PROTECTION	RADIAL				BULK	2	Radial		WIRE		-40 Cel	TIN	26 mm		16 V	RMIN AT 23 DEG CEL	17.5 mm	e3	AEC-Q200, CUL, UL	3 mm
MF-SMDF030-2	Bourns	PTC RESETTABLE FUSE	SURFACE MOUNT	.45 ohm		85 Cel			DUAL ENDED				TR, 13 INCH	2	SMT		WRAPAROUND		-40 Cel		1.09 mm		60 V	RMIN AT 23 DEG CEL	5.44 mm		CUL; UL	4.93 mm
MF-USHT010KX-2	Bourns	PTC RESETTABLE FUSE	SURFACE MOUNT	1 ohm		125 Cel		OVERCURRENT PROTECTION	DUAL ENDED				TR, 7 INCH	2	SMT		WRAPAROUND		-40 Cel		.85 mm		30 V	RMIN AT 23 DEG CEL	3.43 mm		AEC-Q200, CUL, TUV	2.8 mm
MF-SM013/250V-2	Bourns	PTC RESETTABLE FUSE	SURFACE MOUNT	4 ohm		85 Cel		OVERCURRENT PROTECTION	DUAL ENDED		RECTANGULAR PACKAGE		TR, 13 INCH	2	SMT		FLAT		-40 Cel	TIN	3.2 mm	250 V	60 V	RMIN AT 23 DEG CEL	7.4 mm	e3	CUL, TUV, UL	6.6 mm
MOV-10D470KTR	Bourns	VARISTOR	THROUGH HOLE MOUNT		.4 W	105 Cel			RADIAL	METAL OXIDE FILM	DISK PACKAGE	5.5 J	TR, 14 INCH	2	Radial		WIRE		-40 Cel	TIN	15.5 mm	30 V	38 V		12.5 mm	e3	UL	4.2 mm	38 V
CG0603MLA-26KE	Bourns	VARISTOR	SURFACE MOUNT			125 Cel			DUAL ENDED	METAL OXIDE FILM	RECTANGULAR PACKAGE	.1 J	TR, PAPER, 7 INCH	2	SMT		WRAPAROUND	Non-linear Resistors	-55 Cel	Tin (Sn) - with Nickel (Ni) barrier	.8 mm	20 V	26 V		1.6 mm	e3		.8 mm	26 V
CG0603MLD-12E	Bourns	VARISTOR	SURFACE MOUNT			85 Cel			DUAL ENDED		RECTANGULAR PACKAGE		TR, PAPER, 7 INCH	2	SMT		WRAPAROUND	Non-linear Resistors	-30 Cel	Tin (Sn) - with Nickel (Ni) barrier	.8 mm		12 V		1.6 mm	e3		.8 mm	12 V
CMF-RL35-0	Bourns	PTC RESETTABLE FUSE	THROUGH HOLE MOUNT	35 ohm		125 Cel	20 %	OVERCURRENT PROTECTION	RADIAL		DISK PACKAGE		TRAY	2	Radial	230 V	WIRE		-40 Cel	TIN OVER COPPER	14 mm	230 V			9.8 mm		UL	5 mm
CMF-RL50A-10-0	Bourns	PTC RESETTABLE FUSE	THROUGH HOLE MOUNT	50 ohm		125 Cel	10 %	OVERCURRENT PROTECTION	RADIAL		DISK PACKAGE		TRAY	2	Radial	230 V	WIRE		-40 Cel	TIN	13 mm	230 V			7.5 mm	e3		4.5 mm
CMF-SDP10A-2	Bourns	PTC RESETTABLE FUSE
CMF-SDP50A-2	Bourns	PTC RESETTABLE FUSE																		Tin (Sn)						e3
GMOV-20D151K	Bourns	VARISTOR	THROUGH HOLE MOUNT			85 Cel		OVERLOAD PROTECTION	RADIAL	METAL OXIDE		168 J	BULK	2	Disc		WIRE		-40 Cel		23 mm	150 V	200 V		23 mm		CUL, UL	9 mm
GMOV-20D301K	Bourns	VARISTOR	THROUGH HOLE MOUNT			85 Cel		OVERLOAD PROTECTION	RADIAL	METAL OXIDE		350 J	BULK	2	Disc		WIRE		-40 Cel		23 mm	300 V	385 V		23 mm		CUL, UL	9 mm
MF-FSMF025X-2	Bourns	PTC RESETTABLE FUSE	SURFACE MOUNT	.2 ohm		85 Cel		OVERCURRENT PROTECTION	DUAL ENDED				TR, 7 INCH	2	SMT		WRAPAROUND		-40 Cel	Gold (Au) - with Nickel (Ni) barrier	.65 mm		6 V	RMIN AT 23 DEG CEL	1.85 mm	e4	CUL; TUV; UL	1.05 mm
MF-MSMC075-2	Bourns	PTC RESETTABLE FUSE	SURFACE MOUNT		.8 W	85 Cel		TEMPERATURE SENSING						2		13.2 V	WRAPAROUND		-40 Cel	TIN LEAD						e0
MF-MSMD014-2	Bourns	PTC RESETTABLE FUSE	SURFACE MOUNT		1 W	85 Cel		TEMPERATURE SENSING	DUAL		RECTANGULAR PACKAGE		TR	2		60 V	WRAPAROUND		-40 Cel					0.4 OHMS MINIMUM AT 23 DEG CEL
MF-MSMF150/12-2	Bourns	PTC RESETTABLE FUSE	SURFACE MOUNT	.03 ohm		85 Cel		OVERCURRENT PROTECTION	DUAL ENDED				TR, 7 INCH	2	SMT		WRAPAROUND		-40 Cel	GOLD OVER NICKEL	.85 mm		12 V	RMIN AT 23 DEG CEL	4.73 mm	e4	AEC-Q200; CUL; TUV; UL	3.41 mm
MF-NSML175-2	Bourns	PTC RESETTABLE FUSE	SURFACE MOUNT	.005 ohm		85 Cel		OVERCURRENT PROTECTION	DUAL ENDED				TR	2	SMT		WRAPAROUND		-40 Cel	GOLD OVER NICKEL	.6 mm		6 V	RMIN AT 23 DEG CEL	3.5 mm	e4	CUL, TUV, UL	1.8 mm
MF-NSML380/12-2	Bourns	PTC RESETTABLE FUSE	SURFACE MOUNT	.002 ohm		85 Cel			DUAL ENDED				TR, 7 INCH	2	SMT		WRAPAROUND		-40 Cel	Gold (Au) - with Nickel (Ni) barrier	1.2 mm		12 V	RMIN AT 23 DEG CEL	3.5 mm	e4	CUL; TUV; UL	1.8 mm	12 V
MF-NSML550/6-2	Bourns	PTC RESETTABLE FUSE	SURFACE MOUNT	.002 ohm		85 Cel			DUAL ENDED				TR, 7 INCH	2	SMT		WRAPAROUND		-40 Cel		.95 mm		6 V	RMIN AT 23 DEG CEL	3.5 mm		CUL; TUV; UL	1.8 mm	6 V
MF-PSML075-2	Bourns	PTC RESETTABLE FUSE	SURFACE MOUNT	.02 ohm		85 Cel		OVERCURRENT PROTECTION	DUAL ENDED		RECTANGULAR PACKAGE		TR	2	SMT		WRAPAROUND		-40 Cel		.6 mm		6 V	RMIN AT 23 DEG CEL	2.3 mm		CUL; TUV; UL	1.5 mm
MF-PSML075/6-2	Bourns	PTC RESETTABLE FUSE	SURFACE MOUNT	.04 ohm		85 Cel			DUAL ENDED				TR, 7 INCH	2	SMT		WRAPAROUND		-40 Cel		.7 mm		6 V	RMIN AT 23 DEG CEL	2.3 mm		CUL; TUV; UL	1.5 mm	6 V
MF-PSML150/12-2	Bourns	PTC RESETTABLE FUSE	SURFACE MOUNT	.015 ohm		85 Cel			DUAL ENDED				TR, 7 INCH	2	SMT		WRAPAROUND		-40 Cel		.7 mm		12 V	RMIN AT 23 DEG CEL	2.3 mm		CUL; TUV; UL	1.5 mm	12 V
MF-PSML150/6-2	Bourns	PTC RESETTABLE FUSE	SURFACE MOUNT	.015 ohm		85 Cel			DUAL ENDED				TR, 7 INCH	2	SMT		WRAPAROUND		-40 Cel		.7 mm		6 V	RMIN AT 23 DEG CEL	2.3 mm		CUL; TUV; UL	1.5 mm	6 V
MF-PSML200/12-2	Bourns	PTC RESETTABLE FUSE	SURFACE MOUNT	.005 ohm		85 Cel			DUAL ENDED				TR, 7 INCH	2	SMT		WRAPAROUND		-40 Cel		1.2 mm		12 V	RMIN AT 23 DEG CEL	2.3 mm		CUL; TUV; UL	1.5 mm	12 V
MF-R017	Bourns	PTC RESETTABLE FUSE	THROUGH HOLE MOUNT	2 ohm		85 Cel			RADIAL		DISK PACKAGE		Bulk	2	Radial		WIRE		-40 Cel	MATTE TIN	12.7 mm		60 V		7.4 mm	e3	CUL; TUV	3.1 mm
MF-R017-AP	Bourns	PTC RESETTABLE FUSE	THROUGH HOLE MOUNT	2 ohm		85 Cel			RADIAL		DISK PACKAGE		AMMO PACK	2	Radial		WIRE		-40 Cel	TIN	12.7 mm		60 V		7.4 mm	e3	CUL; TUV	3.1 mm
MF-R040-0-17	Bourns	PTC RESETTABLE FUSE	THROUGH HOLE MOUNT	.52 ohm		85 Cel		OVERCURRENT PROTECTION	RADIAL		DISK PACKAGE		BULK	2	Radial		WIRE		-40 Cel	TIN	13.7 mm		60 V	RMIN AT 23 DEG CEL	7.4 mm	e3	CUL, TUV, UL	3.1 mm
MF-R040-2	Bourns	PTC RESETTABLE FUSE	THROUGH HOLE MOUNT	.52 ohm		85 Cel			RADIAL		DISK PACKAGE		TR, 15 INCH	2	Radial		WIRE		-40 Cel	TIN	13.7 mm		60 V		7.4 mm	e3	CUL; TUV	3.1 mm
MF-R055/90-0	Bourns	PTC RESETTABLE FUSE	THROUGH HOLE MOUNT			85 Cel		OVERCURRENT PROTECTION	RADIAL		DISK PACKAGE		BULK	2	Radial		WIRE		-40 Cel	TIN	16.7 mm		90 V	0.45-0.9 OHMS AT 23 DEG CEL; FLAME PROOF	10.9 mm	e3		3.6 mm	90 V
MF-R075-2	Bourns	PTC RESETTABLE FUSE	THROUGH HOLE MOUNT	.18 ohm		85 Cel			RADIAL		DISK PACKAGE		TR, 15 INCH	2	Radial		WIRE		-40 Cel	TIN	16 mm		60 V		10.4 mm	e3	CUL; TUV	3.1 mm
MF-R075/90-2	Bourns	PTC RESETTABLE FUSE	THROUGH HOLE MOUNT			85 Cel		OVERCURRENT PROTECTION	RADIAL		DISK PACKAGE		TR, 15 INCH	2	Radial		WIRE		-40 Cel	TIN	15.5 mm		90 V	0.37-0.75 OHMS AT 23 DEG CEL; FLAME PROOF	11.9 mm	e3		3.6 mm	90 V
MF-R250-2	Bourns	PTC RESETTABLE FUSE	THROUGH HOLE MOUNT	.025 ohm		85 Cel			RADIAL		RECTANGULAR PACKAGE		TR, 15 INCH	2	Radial		WIRE		-40 Cel	TIN	18.3 mm		30 V		12 mm	e3	CUL; TUV	3 mm
MF-RG600-2	Bourns	PTC RESETTABLE FUSE	THROUGH HOLE MOUNT	.01 ohm		85 Cel		OVERCURRENT PROTECTION	RADIAL				TR, 15 INCH	2	Radial		WIRE		-40 Cel	TIN	17.1 mm		16 V	RMIN AT 23 DEG CEL	10.7 mm	e3	AEC-Q200, CUL, UL	3 mm
MF-RG900-0	Bourns	PTC RESETTABLE FUSE	THROUGH HOLE MOUNT	.0047 ohm		85 Cel		OVERCURRENT PROTECTION	RADIAL				BULK	2	Radial		WIRE		-40 Cel	TIN	21.7 mm		16 V	RMIN AT 23 DEG CEL	14 mm	e3	AEC-Q200, CUL, UL	3 mm
MF-RM008/240-2	Bourns	PTC RESETTABLE FUSE	THROUGH HOLE MOUNT	7.4 ohm		85 Cel		OVERCURRENT PROTECTION	RADIAL				TR, 14.5 INCH	2	Radial		WIRE		-20 Cel	TIN	8.3 mm		240 V	FLAME PROOF, RMIN AT 23 DEG CEL	8.3 mm	e3	CUL; TUV; UL	3.8 mm
MF-RM012/240-2	Bourns	PTC RESETTABLE FUSE	THROUGH HOLE MOUNT	3 ohm		85 Cel		OVERCURRENT PROTECTION	RADIAL				TR, 14.5 INCH	2	Radial		WIRE		-20 Cel	TIN	8.3 mm		240 V	FLAME PROOF, RMIN AT 23 DEG CEL	8.3 mm	e3	CUL; TUV; UL	3.8 mm
MF-RX110	Bourns	PTC RESETTABLE FUSE	THROUGH HOLE MOUNT	.15 ohm		85 Cel		OVERCURRENT PROTECTION	RADIAL		DISK PACKAGE		BULK	2	Radial		WIRE		-40 Cel	TIN	18 mm		60 V	RMAX: 0.25OHMS AT 23 DEG CEL	13 mm	e3	CUL; TUV; UL	3.1 mm	60 V
MF-RX160/72-2	Bourns	PTC RESETTABLE FUSE	THROUGH HOLE MOUNT	.09 ohm		85 Cel		OVERCURRENT PROTECTION	RADIAL		RECTANGULAR PACKAGE		TR, 15 INCH	2	Radial		WIRE		-40 Cel	TIN	19.94 mm		72 V	RMIN AT 23 DEG CEL	13.94 mm	e3	CUL; TUV; UL	3.1 mm	72 V
MF-SM013/250-A05-2	Bourns	PTC RESETTABLE FUSE	SURFACE MOUNT		3.3 W	85 Cel		OVERLOAD PROTECTION	DUAL ENDED		RECTANGULAR PACKAGE		TR, 14 INCH	2		60 V	FLAT		-45 Cel	Matte Tin (Sn) - with Nickel (Ni) barrier				6.5 TO 9 OHMS AT 23 DEG CEL		e3
MF-SM260-2	Bourns	PTC RESETTABLE FUSE	SURFACE MOUNT	.025 ohm		85 Cel		OVERCURRENT PROTECTION	DUAL ENDED		RECTANGULAR PACKAGE		TR, 14 INCH	2	SMT		FLAT	Non-linear Resistors	-40 Cel	Matte Tin (Sn) - with Nickel (Ni) barrier	3 mm		6 V	RMIN AT 23 DEG CEL	7.98 mm	e3	AEC-Q200; CUL; TUV; UL	5.44 mm
MF-SM300-2	Bourns	PTC RESETTABLE FUSE	SURFACE MOUNT	.015 ohm		85 Cel		OVERCURRENT PROTECTION	DUAL ENDED		RECTANGULAR PACKAGE		TR, 14 INCH	2	SMT		FLAT	Non-linear Resistors	-40 Cel	Matte Tin (Sn) - with Nickel (Ni) barrier	3 mm		6 V	RMIN AT 23 DEG CEL	7.98 mm	e3	AEC-Q200; CUL; TUV; UL	5.44 mm
MF-SMDF100/33X-2	Bourns	PTC RESETTABLE FUSE	SURFACE MOUNT	.06 ohm		85 Cel			DUAL ENDED				TR, 13 INCH	2	SMT		WRAPAROUND		-40 Cel		1.25 mm		33 V	RMIN AT 23 DEG CEL	5.44 mm		CUL; UL	4.93 mm
MF-USMD035-2	Bourns	PTC RESETTABLE FUSE	SURFACE MOUNT		1 W	85 Cel		TEMPERATURE SENSING	DUAL ENDED		RECTANGULAR PACKAGE		TR	2		6 V	WRAPAROUND		-40 Cel					0.2 TO 1.3 OHMS AT 23 DEG CEL
MF-USML600/6-2	Bourns	PTC RESETTABLE FUSE	SURFACE MOUNT	.001 ohm		85 Cel			DUAL ENDED				TR, 7 INCH	2	SMT		WRAPAROUND		-40 Cel		.95 mm		6 V	RMIN AT 23 DEG CEL	3.43 mm		CUL; TUV; UL	2.8 mm	6 V

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.