Bourns Non-linear Resistors 557

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Part	Manufacturer	Resistor Type	Mounting Type	Resistance	Rated Power Dissipation (P)	Maximum Operating 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	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
MF-LSMF185/33X-2	Bourns	PTC RESETTABLE FUSE	SURFACE MOUNT	.045 ohm		85 Cel		DUAL ENDED		RECTANGULAR PACKAGE		TR, 13 INCH	2	SMT		WRAPAROUND			-40 Cel	GOLD OVER NICKEL	1.6 mm		33 V	RMIN AT 23 DEG CEL	7.98 mm	e4	AEC-Q200; CSA; TUV; UL	5.44 mm
MF-R300-2	Bourns	PTC RESETTABLE FUSE	THROUGH HOLE MOUNT	.02 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-R400	Bourns	PTC RESETTABLE FUSE	THROUGH HOLE MOUNT	.01 ohm		85 Cel		RADIAL		RECTANGULAR PACKAGE		Bulk	2	Radial		WIRE			-40 Cel	MATTE TIN	24.8 mm		30 V		14.4 mm	e3	CUL; TUV	3 mm
MF-NSMF200-2	Bourns	PTC RESETTABLE FUSE	SURFACE MOUNT	.02 ohm		85 Cel		DUAL ENDED		RECTANGULAR PACKAGE		TR, 7 INCH	2	SMT		WRAPAROUND			-40 Cel	GOLD OVER NICKEL	1.6 mm		6 V	RMIN AT 23 DEG CEL	3.5 mm	e4	AEC-Q200; CUL; TUV; UL	1.8 mm
MOV-14D431KTR	Bourns	VARISTOR	THROUGH HOLE MOUNT		.6 W	105 Cel		RADIAL	METAL OXIDE	DISK PACKAGE	115 J	TR, 14 INCH	2	Radial		WIRE	Non-linear Resistors		-40 Cel	Tin (Sn)	20 mm	275 V	350 V		16.5 mm	e3	CUL; UL	5.2 mm
GMOV-20D271K	Bourns	VARISTOR	THROUGH HOLE MOUNT			85 Cel	OVERLOAD PROTECTION	RADIAL	METAL OXIDE		305 J	BULK	2	Disc		WIRE			-40 Cel		23 mm	275 V	350 V		23 mm		CUL, UL	9 mm
MF-R110-AP	Bourns	PTC RESETTABLE FUSE	THROUGH HOLE MOUNT	.1 ohm		85 Cel		RADIAL		DISK PACKAGE		AMMO PACK	2	Radial		WIRE			-40 Cel	Matte Tin (Sn)	14 mm		30 V		8.9 mm	e3	CUL; TUV	3 mm
MF-SM075-2-99	Bourns	PTC RESETTABLE FUSE	SURFACE MOUNT	1 ohm	1.7 W	85 Cel	OVERLOAD PROTECTION	DUAL ENDED		RECTANGULAR PACKAGE		TR	2		30 V	FLAT	Non-linear Resistors	7.98mm x 5.44mm x 3.18mm	-40 Cel	Matte Tin (Sn) - with Nickel (Ni) barrier	3.18 mm		30 V	0.23 TO 1 OHMS AT 23 DEG CEL	7.98 mm	e3	CSA, TUV, UL	5.44 mm
MF-PSMF050X-2	Bourns	PTC RESETTABLE FUSE	SURFACE MOUNT	.15 ohm		85 Cel	OVERCURRENT PROTECTION	DUAL ENDED		RECTANGULAR PACKAGE		TR, 7 INCH	2	SMT		WRAPAROUND	Non-linear Resistors		-40 Cel	Gold (Au) - with Nickel (Ni) barrier	.85 mm			RMIN AT 23 DEG CEL	2.3 mm	e4	CUL; TUV; UL	1.5 mm	6 V
MF-R090	Bourns	PTC RESETTABLE FUSE	THROUGH HOLE MOUNT	.14 ohm		85 Cel		RADIAL		DISK PACKAGE		Bulk	2	Radial		WIRE			-40 Cel	MATTE TIN	16.7 mm		60 V		11.7 mm	e3	CUL; TUV	3.1 mm
MF-SM075/60-2-99	Bourns	PTC RESETTABLE FUSE	SURFACE MOUNT		1.7 W	85 Cel	OVERLOAD PROTECTION	DUAL ENDED		RECTANGULAR PACKAGE		TR	2		60 V	FLAT	Non-linear Resistors		-40 Cel	Matte Tin (Sn) - with Nickel (Ni) barrier				0.23 TO 1 OHMS AT 23 DEG CEL		e3
MF-R300-0-14	Bourns	PTC RESETTABLE FUSE	THROUGH HOLE MOUNT	.02 ohm		85 Cel	OVERCURRENT PROTECTION	RADIAL		RECTANGULAR PACKAGE		BULK	2	Radial		WIRE			-40 Cel	TIN	18.3 mm		30 V	RMIN AT 23 DEG CEL	12 mm	e3	CUL, TUV, UL	3 mm
MF-R010	Bourns	PTC RESETTABLE FUSE	THROUGH HOLE MOUNT	2.5 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
MOV-10D561K	Bourns	VARISTOR	THROUGH HOLE MOUNT		.4 W	105 Cel		RADIAL	METAL OXIDE FILM	DISK PACKAGE	70 J	BULK	2	Radial		WIRE			-40 Cel	TIN	15.5 mm	350 V	460 V		12.5 mm	e3	UL	5.9 mm	460 V
MF-R300-AP-99	Bourns	PTC RESETTABLE FUSE	THROUGH HOLE MOUNT			85 Cel	OVERCURRENT PROTECTION	RADIAL		DISK PACKAGE		AMMO PACK	2	Radial		WIRE			-40 Cel	TIN	18.3 mm		30 V	MINIMUM RESISTANCE IS 0.02 OHMS	12 mm	e3	CUL, TUV, UL	3 mm	30 V
GMOV-14D111K	Bourns	VARISTOR	THROUGH HOLE MOUNT			85 Cel	OVERLOAD PROTECTION	RADIAL	METAL OXIDE		60 J	BULK	2	Disc		WIRE			-40 Cel		16.5 mm	115 V	150 V		16.5 mm		CUL, UL	8 mm
MF-R020	Bourns	PTC RESETTABLE FUSE	THROUGH HOLE MOUNT	1.5 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-SM075-2	Bourns	PTC RESETTABLE FUSE	SURFACE MOUNT	.23 ohm		85 Cel	OVERCURRENT PROTECTION	DUAL ENDED		RECTANGULAR PACKAGE		TR, 14 INCH	2	SMT		FLAT	Non-linear Resistors		-40 Cel	MATTE TIN OVER NICKEL	3.18 mm		30 V	RMIN AT 23 DEG CEL	7.98 mm	e3	AEC-Q200; CUL; TUV; UL	5.44 mm
MF-R250-0-10	Bourns	PTC RESETTABLE FUSE	THROUGH HOLE MOUNT	.025 ohm		85 Cel		RADIAL		RECTANGULAR PACKAGE		Bulk	2	Radial		WIRE			-40 Cel	MATTE TIN	18.3 mm		30 V		12 mm	e3	CUL; TUV	3 mm
MF-R010-0-99	Bourns	PTC RESETTABLE FUSE	THROUGH HOLE MOUNT			85 Cel	OVERCURRENT PROTECTION	RADIAL		DISK PACKAGE		Bulk	2	Radial		WIRE			-40 Cel	Matte Tin (Sn)	12.7 mm		60 V	MINIMUM RESISTANCE IS 2.5 OHMS	7.4 mm	e3	CUL, TUV, UL	3.1 mm	60 V
MF-R185	Bourns	PTC RESETTABLE FUSE	THROUGH HOLE MOUNT	.04 ohm		85 Cel		RADIAL		DISK PACKAGE		Bulk	2	Radial		WIRE			-40 Cel	MATTE TIN	18.4 mm		30 V		12 mm	e3	CUL; TUV	3 mm
MOV-14D560K	Bourns	VARISTOR	THROUGH HOLE MOUNT		.6 W	105 Cel		RADIAL	METAL OXIDE	DISK PACKAGE	11 J	BULK	2	Radial		WIRE	Non-linear Resistors		-40 Cel	TIN	20 mm	35 V	45 V		16.5 mm	e3	CUL; UL	4.3 mm
MF-NSMF110-2	Bourns	PTC RESETTABLE FUSE	SURFACE MOUNT	.06 ohm		85 Cel		DUAL ENDED		RECTANGULAR PACKAGE		TR, 7 INCH	2	SMT		WRAPAROUND			-40 Cel	GOLD OVER NICKEL	.7 mm		6 V	RMIN AT 23 DEG CEL	3.4 mm	e4	AEC-Q200; CUL; TUV; UL	1.8 mm
MF-R065-2	Bourns	PTC RESETTABLE FUSE	THROUGH HOLE MOUNT	.27 ohm		85 Cel		RADIAL		DISK PACKAGE		TR, 15 INCH	2	Radial		WIRE			-40 Cel	TIN	15.2 mm		60 V		9.7 mm	e3	CUL; TUV	3.1 mm
MF-R090-0-9	Bourns	PTC RESETTABLE FUSE	THROUGH HOLE MOUNT	.07 ohm		85 Cel		RADIAL		RECTANGULAR PACKAGE		Bulk	2	Radial		WIRE			-40 Cel	MATTE TIN	12.2 mm		30 V		7.4 mm	e3	CUL; TUV	3 mm
MF-R1100-99	Bourns	PTC RESETTABLE FUSE	THROUGH HOLE MOUNT			85 Cel	TEMPERATURE SENSING	RADIAL		DISK PACKAGE		BULK	2		30 V	WIRE			-40 Cel	Tin (Sn)				0.1 OHM MEASURED AT 23 DEG CEL		e3
MF-R110-0-99	Bourns	PTC RESETTABLE FUSE	THROUGH HOLE MOUNT			85 Cel	OVERCURRENT PROTECTION	RADIAL				Bulk	2	Radial		WIRE			-40 Cel	Tin (Sn)	14 mm		30 V	MINIMUM RESISTANCE IS 0.1 OHMS	8.9 mm	e3	CUL, TUV, UL	3 mm	30 V
MF-SMDF050	Bourns	PTC RESETTABLE FUSE	SURFACE MOUNT	.2 ohm	.9 W	85 Cel	OVERLOAD PROTECTION	DUAL ENDED		RECTANGULAR PACKAGE			2	SMT	60 V	WRAPAROUND			-40 Cel	GOLD OVER NICKEL	1.09 mm		60 V	RMIN AT 23 DEG CEL	5.44 mm	e4	CUL; TUV; UL	4.93 mm
MF-R090-AP	Bourns	PTC RESETTABLE FUSE	THROUGH HOLE MOUNT	.14 ohm		85 Cel		RADIAL		DISK PACKAGE		AMMO PACK	2	Radial		WIRE			-40 Cel	Matte Tin (Sn)	16.7 mm		60 V		11.7 mm	e3	CUL; TUV	3.1 mm
MF-R185-0-99	Bourns	PTC RESETTABLE FUSE	THROUGH HOLE MOUNT			85 Cel	OVERCURRENT PROTECTION	RADIAL		DISK PACKAGE		Bulk	2	Radial		WIRE			-40 Cel	Matte Tin (Sn)	18.4 mm		30 V	MINIMUM RESISTANCE IS 0.04 OHMS	12 mm	e3	CUL, TUV, UL	3 mm	30 V
MF-R300-0-99	Bourns	PTC RESETTABLE FUSE	THROUGH HOLE MOUNT			85 Cel	OVERCURRENT PROTECTION	RADIAL		RECTANGULAR PACKAGE		Bulk	2	Radial		WIRE			-40 Cel	TIN	18.3 mm		30 V	MINIMUM RESISTANCE IS 0.02 OHMS	12 mm	e3	CUL, TUV, UL	3 mm	30 V
MF-R300-AP	Bourns	PTC RESETTABLE FUSE	THROUGH HOLE MOUNT	.02 ohm		85 Cel		RADIAL		RECTANGULAR PACKAGE		AMMO PACK	2	Radial		WIRE			-40 Cel	Matte Tin (Sn)	18.3 mm		30 V		12 mm	e3	CUL; TUV	3 mm
MF-R300-AP-14	Bourns	PTC RESETTABLE FUSE	THROUGH HOLE MOUNT	.02 ohm		85 Cel	OVERCURRENT PROTECTION	RADIAL				AMMO PACK	2	Radial		WIRE			-40 Cel	Matte Tin (Sn)	18.3 mm		30 V	RMIN AT 23 DEG CEL	12 mm	e3	CUL, TUV, UL	3 mm
MF-FSMF010X-2	Bourns	PTC RESETTABLE FUSE	SURFACE MOUNT	.9 ohm		85 Cel	OVERCURRENT PROTECTION	DUAL ENDED		RECTANGULAR PACKAGE		TR, 7 INCH	2	SMT		WRAPAROUND	Non-linear Resistors		-40 Cel	Gold (Au) - with Nickel (Ni) barrier	.65 mm		15 V	RMIN AT 23 DEG CEL	1.85 mm	e4	CUL; TUV; UL	1.05 mm
MF-R005-0	Bourns	PTC RESETTABLE FUSE	THROUGH HOLE MOUNT	7.3 ohm		85 Cel		RADIAL		DISK PACKAGE		Bulk	2	Radial		WIRE			-40 Cel	TIN	8.3 mm		60 V		8 mm	e3	CUL; TUV	3.1 mm
MF-R010-0-17	Bourns	PTC RESETTABLE FUSE	THROUGH HOLE MOUNT	2.5 ohm		85 Cel	OVERCURRENT PROTECTION	RADIAL		DISK PACKAGE		BULK	2	Radial		WIRE			-40 Cel	TIN	12.7 mm		60 V	RMIN AT 23 DEG CEL	7.4 mm	e3	CUL, TUV, UL	3.1 mm
MF-R065	Bourns	PTC RESETTABLE FUSE	THROUGH HOLE MOUNT	.27 ohm		85 Cel		RADIAL		DISK PACKAGE		Bulk	2	Radial		WIRE			-40 Cel	MATTE TIN	15.2 mm		60 V		9.7 mm	e3	CUL; TUV	3.1 mm
MF-SM250-2-99	Bourns	PTC RESETTABLE FUSE	SURFACE MOUNT		1.9 W	85 Cel	OVERLOAD PROTECTION	DUAL ENDED		RECTANGULAR PACKAGE		TR	2		15 V	FLAT	Non-linear Resistors		-40 Cel	Matte Tin (Sn) - with Nickel (Ni) barrier	3 mm			0.024 TO 0.085 OHMS AT 23 DEG CEL	9.5 mm	e3		6.71 mm
MOV-10D431KTR	Bourns	VARISTOR	THROUGH HOLE MOUNT		.4 W	105 Cel		RADIAL	METAL OXIDE FILM	DISK PACKAGE	65 J	TR, 14 INCH	2	Radial		WIRE			-40 Cel	TIN	15.5 mm	275 V	350 V		12.5 mm	e3	UL	5.2 mm	350 V
MOV-14D431K	Bourns	VARISTOR	THROUGH HOLE MOUNT		.6 W	105 Cel		RADIAL	METAL OXIDE	DISK PACKAGE	115 J	BULK	2	Radial		WIRE	Non-linear Resistors		-40 Cel	TIN	20 mm	275 V	350 V		16.5 mm	e3	CUL; UL	5.2 mm
MF-R400-2	Bourns	PTC RESETTABLE FUSE	THROUGH HOLE MOUNT	.01 ohm		85 Cel		RADIAL		RECTANGULAR PACKAGE		TR, 15 INCH	2	Radial		WIRE			-40 Cel	MATTE TIN	24.8 mm		30 V		14.4 mm	e3	CUL; TUV	3 mm
MF-R025	Bourns	PTC RESETTABLE FUSE	THROUGH HOLE MOUNT	1 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-R400-2-99	Bourns	PTC RESETTABLE FUSE	THROUGH HOLE MOUNT			85 Cel	OVERCURRENT PROTECTION	RADIAL		RECTANGULAR PACKAGE		TR, 15 INCH	2	Radial		WIRE			-40 Cel	TIN	24.8 mm		30 V	MINIMUM RESISTANCE IS 0.01 OHMS	14.4 mm	e3	CUL, TUV, UL	3 mm	30 V
MOV-10D471K	Bourns	VARISTOR	THROUGH HOLE MOUNT		.4 W	105 Cel		RADIAL	METAL OXIDE FILM	DISK PACKAGE	70 J	BULK	2	Radial		WIRE			-40 Cel	TIN	15.5 mm	300 V	385 V		12.5 mm	e3	UL	5.4 mm	385 V
MF-PSMF075X-2	Bourns	PTC RESETTABLE FUSE	SURFACE MOUNT	.09 ohm		85 Cel	OVERCURRENT PROTECTION	DUAL ENDED		RECTANGULAR PACKAGE		TR, 7 INCH	2	SMT		WRAPAROUND	Non-linear Resistors		-40 Cel	GOLD OVER NICKEL	1.25 mm			RMIN AT 23 DEG CEL	2.3 mm	e4	CUL; TUV; UL	1.5 mm	6 V
CG0402MLA-5.5MG	Bourns	VARISTOR	SURFACE MOUNT			125 Cel		DUAL ENDED	METAL OXIDE FILM	RECTANGULAR PACKAGE	.05 J	TR, PAPER, 7 INCH	2	SMT		WRAPAROUND	Non-linear Resistors		-55 Cel		.5 mm	4 V	5.5 V		1 mm			.5 mm	5.5 V
CGA0603MLC-24E	Bourns	VARISTOR	SURFACE MOUNT			125 Cel		DUAL ENDED		RECTANGULAR PACKAGE		TR, PAPER, 7 INCH	2	SMT		WRAPAROUND			-55 Cel		.51 mm		24 V		1.6 mm		AEC-Q200	.85 mm	24 V
MF-R090-0-17	Bourns	PTC RESETTABLE FUSE	THROUGH HOLE MOUNT	.14 ohm		85 Cel	OVERCURRENT PROTECTION	RADIAL		DISK PACKAGE		BULK	2	Radial		WIRE			-40 Cel	TIN	16.7 mm		60 V	RMIN AT 23 DEG CEL	11.7 mm	e3	CUL, TUV, UL	3.1 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.