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	Minimum Operating Temperature	Terminal Finish	Height (Package)	Manufacturer Series	Maximum Circuit RMS Voltage	Operating Voltage	Additional Features	Length (Package)	JESD-609 Code	Reference Standard	Width (Package)	Maximum Circuit DC Voltage
ISOM8-250-B-L2	Bourns	VARISTOR	THROUGH HOLE MOUNT			125 Cel		RADIAL			313 J	BULK	2	Radial		WIRE		-40 Cel		30 mm		250 V	320 V		23 mm		CUL; UL	7.1 mm
MF-FSML250/6-2	Bourns	PTC RESETTABLE FUSE	SURFACE MOUNT	.0035 ohm		85 Cel		DUAL ENDED				TR, 7 INCH	2	SMT		WRAPAROUND		-40 Cel		1 mm			6 V	RMIN AT 23 DEG CEL	1.85 mm		CUL, TUV, UL	1.05 mm	6 V
MF-MSHT050KX-2	Bourns	PTC RESETTABLE FUSE	SURFACE MOUNT	.18 ohm		125 Cel	OVERCURRENT PROTECTION	DUAL ENDED				TR, 7 INCH	2	SMT		WRAPAROUND		-40 Cel		.85 mm			30 V	RMIN AT 23 DEG CEL	4.83 mm		AEC-Q200; CUL; TUV; UL	3.41 mm
MF-MSMD030-2	Bourns	PTC RESETTABLE FUSE	SURFACE MOUNT		1.2 W	85 Cel	TEMPERATURE SENSING	DUAL		RECTANGULAR PACKAGE		TR	2		30 V	WRAPAROUND	Non-linear Resistors	-40 Cel			MF-MSMD			0.3 OHMS MINIMUM AT 23 DEG CEL
MF-MSMD050-2	Bourns	PTC RESETTABLE FUSE	SURFACE MOUNT		1.2 W	85 Cel	TEMPERATURE SENSING	DUAL		RECTANGULAR PACKAGE		TR	2		15 V	WRAPAROUND		-40 Cel						0.15 OHMS MINIMUM AT 23 DEG CEL
MF-NSHT016KX-2	Bourns	PTC RESETTABLE FUSE	SURFACE MOUNT	.7 ohm		125 Cel	OVERCURRENT PROTECTION	DUAL ENDED		RECTANGULAR PACKAGE		TR, 7 INCH	2	SMT		WRAPAROUND		-40 Cel	Gold (Au) - with Nickel (Ni) barrier	.85 mm			30 V	RMIN AT 23 DEG CEL	3.4 mm	e4	AEC-Q200, CUL, TUV	1.8 mm
MF-NSML300/12-2	Bourns	PTC RESETTABLE FUSE	SURFACE MOUNT	.003 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-PSML250/12-2	Bourns	PTC RESETTABLE FUSE	SURFACE MOUNT	.003 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-R020-2	Bourns	PTC RESETTABLE FUSE	THROUGH HOLE MOUNT	1.5 ohm		85 Cel		RADIAL		DISK PACKAGE		TR, 15 INCH	2	Radial		WIRE		-40 Cel	TIN	12.7 mm			60 V		7.4 mm	e3	CUL; TUV	3.1 mm
MF-R160-2	Bourns	PTC RESETTABLE FUSE	THROUGH HOLE MOUNT	.055 ohm		85 Cel		RADIAL		DISK PACKAGE		TR, 15 INCH	2	Radial		WIRE		-40 Cel	MATTE TIN	16.8 mm			30 V		10.2 mm	e3	CUL; TUV	3 mm
MF-R500-0-99	Bourns	PTC RESETTABLE FUSE	THROUGH HOLE MOUNT			85 Cel	OVERCURRENT PROTECTION	RADIAL		RECTANGULAR PACKAGE		Bulk	2	Radial		WIRE		-40 Cel	Matte Tin (Sn)	24.9 mm			30 V	MINIMUM RESISTANCE IS 0.01 OHMS	17.4 mm	e3	CUL, TUV, UL	3 mm	30 V
MF-RG500-0	Bourns	PTC RESETTABLE FUSE	THROUGH HOLE MOUNT	.015 ohm		85 Cel	OVERCURRENT PROTECTION	RADIAL				BULK	2	Radial		WIRE		-40 Cel	TIN	14.3 mm			16 V	RMIN AT 23 DEG CEL	10.4 mm	e3	AEC-Q200, CUL, UL	3 mm
MF-RG650-0	Bourns	PTC RESETTABLE FUSE	THROUGH HOLE MOUNT	.0088 ohm		85 Cel	OVERCURRENT PROTECTION	RADIAL				BULK	2	Radial		WIRE		-40 Cel	TIN	19.7 mm			16 V	RMIN AT 23 DEG CEL	11.2 mm	e3	AEC-Q200, CUL, UL	3 mm
MF-RHT1300-2	Bourns	PTC RESETTABLE FUSE	THROUGH HOLE MOUNT	.0041 ohm		125 Cel		RADIAL		RECTANGULAR PACKAGE		TR, 15 INCH	2	Radial		WIRE		-40 Cel	TIN	28.7 mm			16 V		23.5 mm	e3	AEC-Q200; CUL; TUV; UL	3.6 mm
MF-RX025/72-2	Bourns	PTC RESETTABLE FUSE	THROUGH HOLE MOUNT	1 ohm		85 Cel	OVERCURRENT PROTECTION	RADIAL		RECTANGULAR PACKAGE		TR, 15 INCH	2	Radial		WIRE		-40 Cel	TIN	12.7 mm			72 V	RMIN AT 23 DEG CEL	7.4 mm	e3	CUL; TUV; UL	3.1 mm	72 V
MF-RX300	Bourns	PTC RESETTABLE FUSE	THROUGH HOLE MOUNT	.04 ohm		85 Cel	OVERCURRENT PROTECTION	RADIAL		DISK PACKAGE		BULK	2	Radial		WIRE		-40 Cel	TIN	30 mm			60 V	RMAX: 0.06OHMS AT 23 DEG CEL	24.9 mm	e3	CUL; TUV; UL	3.1 mm	60 V
MF-SMDF150-2	Bourns	PTC RESETTABLE FUSE	SURFACE MOUNT	.05 ohm		85 Cel		DUAL ENDED		RECTANGULAR PACKAGE		TR, 13 INCH	2	SMT		WRAPAROUND		-40 Cel	GOLD OVER NICKEL	.85 mm			15 V	RMIN AT 23 DEG CEL	5.44 mm	e4	CUL; TUV; UL	4.93 mm
MF-SMHT160-2	Bourns	PTC RESETTABLE FUSE	SURFACE MOUNT	.05 ohm		125 Cel	OVERCURRENT PROTECTION	DUAL ENDED		RECTANGULAR PACKAGE		TR, 14 INCH	2	SMT		FLAT		-40 Cel	TIN	3 mm			16 V	RMIN AT 23 DEG CEL	9.5 mm	e3	AEC-Q200	6.71 mm	16 V
MF-USMF075	Bourns	PTC RESETTABLE FUSE	SURFACE MOUNT			85 Cel	OVERLOAD PROTECTION	DUAL ENDED		RECTANGULAR PACKAGE			2		6 V	WRAPAROUND	Non-linear Resistors	-40 Cel	GOLD OVER NICKEL					0.07 TO 0.45 OHMS AT 23 DEG CEL		e4
MF-USMF075-2	Bourns	PTC RESETTABLE FUSE	SURFACE MOUNT	.07 ohm		85 Cel	OVERCURRENT PROTECTION	DUAL ENDED		RECTANGULAR PACKAGE		TR, 7 INCH	2	SMT		WRAPAROUND		-40 Cel	GOLD OVER NICKEL	.85 mm			6 V	RMIN AT 23 DEG CEL	3.43 mm	e4	CUL; TUV; UL	2.8 mm
MF-USMF150	Bourns	PTC RESETTABLE FUSE	SURFACE MOUNT			85 Cel	OVERLOAD PROTECTION	DUAL ENDED		RECTANGULAR PACKAGE			2		6 V	WRAPAROUND	Non-linear Resistors	-40 Cel	GOLD OVER NICKEL					0.03 TO 0.11 OHMS AT 23 DEG CEL		e4
MF-USML350/6-2	Bourns	PTC RESETTABLE FUSE	SURFACE MOUNT	.002 ohm		85 Cel		DUAL ENDED				TR, 7 INCH	2	SMT		WRAPAROUND		-40 Cel		1.2 mm			6 V	RMIN AT 23 DEG CEL	3.43 mm		CUL; TUV; UL	2.8 mm	6 V
MF-USML380-2	Bourns	PTC RESETTABLE FUSE	SURFACE MOUNT	.002 ohm		85 Cel	OVERCURRENT PROTECTION	DUAL ENDED				TR	2	SMT		WRAPAROUND		-40 Cel		.6 mm			6 V	RMIN AT 23 DEG CEL	3.43 mm		CUL; TUV; UL	2.8 mm	6 V
MOV-07D330K	Bourns	VARISTOR	THROUGH HOLE MOUNT		.25 W	105 Cel		RADIAL	METAL OXIDE FILM	DISK PACKAGE	1.7 J	BULK	2	Radial		WIRE		-40 Cel	TIN	11 mm		20 V	26 V		9 mm	e3	UL	3.4 mm	26 V
MOV-07D470K	Bourns	VARISTOR	THROUGH HOLE MOUNT		.25 W	105 Cel		RADIAL	METAL OXIDE FILM	DISK PACKAGE	2.5 J	BULK	2	Radial		WIRE		-40 Cel	TIN	11 mm		30 V	38 V		9 mm	e3	UL	3.8 mm	38 V
MOV-10D181K	Bourns	VARISTOR	THROUGH HOLE MOUNT		.4 W	105 Cel		RADIAL	METAL OXIDE FILM	DISK PACKAGE	27 J	BULK	2	Radial		WIRE		-40 Cel	TIN	15.5 mm		115 V	150 V		12.5 mm	e3	UL	3.6 mm	150 V
MOV-10D330KTR	Bourns	VARISTOR	THROUGH HOLE MOUNT		.4 W	105 Cel		RADIAL	METAL OXIDE FILM	DISK PACKAGE	4 J	TR, 14 INCH	2	Radial		WIRE		-40 Cel	TIN	15.5 mm		20 V	26 V		12.5 mm	e3	UL	3.8 mm	26 V
MOV-10D680KTR	Bourns	VARISTOR	THROUGH HOLE MOUNT		.4 W	105 Cel		RADIAL	METAL OXIDE FILM	DISK PACKAGE	8.2 J	TR, 14 INCH	2	Radial		WIRE		-40 Cel	TIN	15.5 mm		40 V	56 V		12.5 mm	e3	UL	4.4 mm	56 V
MOV-14D330KTR	Bourns	VARISTOR	THROUGH HOLE MOUNT		.6 W	105 Cel		RADIAL	METAL OXIDE	DISK PACKAGE	7.5 J	TR, 14 INCH	2	Radial		WIRE	Non-linear Resistors	-40 Cel	TIN	20 mm		20 V	26 V		16.5 mm	e3	CUL; UL	3.8 mm
MOV-14D390KTR	Bourns	VARISTOR	THROUGH HOLE MOUNT		.6 W	105 Cel		RADIAL	METAL OXIDE	DISK PACKAGE	8.6 J	TR, 14 INCH	2	Radial		WIRE	Non-linear Resistors	-40 Cel	TIN	20 mm		25 V	31 V		16.5 mm	e3	CUL; UL	4 mm
MOV-14D391K	Bourns	VARISTOR	THROUGH HOLE MOUNT		.6 W	105 Cel		RADIAL	METAL OXIDE	DISK PACKAGE	100 J	BULK	2	Radial		WIRE	Non-linear Resistors	-40 Cel	TIN	20 mm		250 V	320 V		16.5 mm	e3	CUL; UL	5 mm
MOV-14D560KTR	Bourns	VARISTOR	THROUGH HOLE MOUNT		.6 W	105 Cel		RADIAL	METAL OXIDE	DISK PACKAGE	11 J	TR, 14 INCH	2	Radial		WIRE	Non-linear Resistors	-40 Cel	TIN	20 mm		35 V	45 V		16.5 mm	e3	CUL; UL	4.3 mm
MOV-20D121K	Bourns	VARISTOR	THROUGH HOLE MOUNT		1 W	105 Cel		RADIAL	METAL OXIDE	DISK PACKAGE	55 J	BULK	2	Radial		WIRE		-40 Cel	TIN	26 mm		75 V	100 V		23 mm	e3	CUL; UL	4.6 mm
MOV-20D201KTR	Bourns	VARISTOR	THROUGH HOLE MOUNT		1 W	105 Cel		RADIAL	METAL OXIDE	DISK PACKAGE	95 J	TR, 14 INCH	2	Radial		WIRE		-40 Cel	TIN	26 mm		130 V	170 V		23 mm	e3	CUL; UL	4.2 mm
MOV-20D391K	Bourns	VARISTOR	THROUGH HOLE MOUNT		1 W	105 Cel		RADIAL	METAL OXIDE	DISK PACKAGE	180 J	BULK	2	Radial		WIRE		-40 Cel	TIN	26 mm		250 V	320 V		23 mm	e3	CUL; UL	5.4 mm
MOV-20D470K	Bourns	VARISTOR	THROUGH HOLE MOUNT		1 W	105 Cel		RADIAL	METAL OXIDE	DISK PACKAGE	33 J	BULK	2	Radial		WIRE		-40 Cel	TIN	26 mm		30 V	38 V		23 mm	e3	CUL; UL	4.6 mm
MOV-20D560K	Bourns	VARISTOR	THROUGH HOLE MOUNT		1 W	105 Cel		RADIAL	METAL OXIDE	DISK PACKAGE	41 J	BULK	2	Radial		WIRE		-40 Cel	TIN	26 mm		35 V	45 V		23 mm	e3	CUL; UL	4.7 mm
PV150K4032R2	Bourns	VARISTOR	SURFACE MOUNT		.25 W	85 Cel		DUAL ENDED			18.5 J	TR, 13 INCH	2	SMT	150 V	J BEND		-40 Cel		4.7 mm		150 V	200 V		10 mm			8 mm	200 V
PV250K3225R2	Bourns	VARISTOR	SURFACE MOUNT		.01 W	85 Cel		DUAL ENDED		RECTANGULAR PACKAGE	11 J	TR, 13 INCH	2			J BEND		-40 Cel	TIN OVER NICKEL			250 V	320 V	FLAMEPROOF		e3			320 V
ZV14K1210401NIR1	Bourns	VARISTOR	SURFACE MOUNT		.01 W	125 Cel		DUAL ENDED			1.6 J	TR, 7 INCH	2	SMT		WRAPAROUND		-55 Cel		.85 mm		14 V	18 V		3.2 mm			2.5 mm
ZV14K1210401NIR1HT	Bourns	VARISTOR	SURFACE MOUNT		.01 W	150 Cel		DUAL ENDED		RECTANGULAR PACKAGE	1.6 J	TR, 7 INCH	2	SMT		WRAPAROUND		-55 Cel	TIN OVER NICKEL	.85 mm		14 V	18 V		3.2 mm	e3		2.5 mm	18 V
ZV25K1210401NIR1	Bourns	VARISTOR	SURFACE MOUNT		.01 W	125 Cel		DUAL ENDED		RECTANGULAR PACKAGE	1.8 J	TR, 7 INCH	2	SMT		WRAPAROUND		-55 Cel		1.45 mm		25 V	31 V		3.2 mm			2.5 mm
ZV25K1210401NIR1HT	Bourns	VARISTOR	SURFACE MOUNT		.01 W	150 Cel		DUAL ENDED		RECTANGULAR PACKAGE	1.8 J	TR, 7 INCH	2	SMT		WRAPAROUND		-55 Cel	TIN OVER NICKEL	1.45 mm		25 V	31 V		3.2 mm	e3		2.5 mm	31 V
ZV25K1812801NIR1HT	Bourns	VARISTOR	SURFACE MOUNT		.015 W	150 Cel		DUAL ENDED		RECTANGULAR PACKAGE	3.9 J	TR, 7 INCH	2	SMT		WRAPAROUND		-55 Cel	TIN OVER NICKEL	1.55 mm		25 V	31 V		4.7 mm	e3		3.2 mm	31 V
ZV30K0805121NIR1HT	Bourns	VARISTOR	SURFACE MOUNT		.005 W	150 Cel		DUAL ENDED		RECTANGULAR PACKAGE	.2 J	TR, 7 INCH	2	SMT		WRAPAROUND		-55 Cel	TIN OVER NICKEL	1.05 mm		30 V	38 V		2 mm	e3		1.25 mm	38 V
ZV40K1812601NIR1HT	Bourns	VARISTOR	SURFACE MOUNT		.015 W	150 Cel		DUAL ENDED		RECTANGULAR PACKAGE	4.8 J	TR, 7 INCH	2	SMT		WRAPAROUND		-55 Cel	TIN OVER NICKEL	1.55 mm		40 V	56 V		4.7 mm	e3		3.2 mm	56 V
AV20K1206201NIR1	Bourns	VARISTOR	SURFACE MOUNT		.008 W	125 Cel		DUAL ENDED			1.6 J	TR, 7 INCH	2	SMT		WRAPAROUND		-55 Cel	TIN OVER NICKEL	1.2 mm		20 V	26 V		3.2 mm	e3	AEC-Q200	1.6 mm
GMOV-20D231K	Bourns	VARISTOR	THROUGH HOLE MOUNT			85 Cel	OVERLOAD PROTECTION	RADIAL	METAL OXIDE		255 J	BULK	2	Disc		WIRE		-40 Cel		23 mm		230 V	300 V		23 mm		CUL, UL	9 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.