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	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-RHT1300-0-14	Bourns	PTC RESETTABLE FUSE	THROUGH HOLE MOUNT			125 Cel		OVERCURRENT PROTECTION	RADIAL				BULK	2	Radial		WIRE			-40 Cel		28.7 mm		16 V		23.5 mm		AEC-Q200; CUL; TUV; UL	3.6 mm	16 V
MF-RM025/240-0	Bourns	PTC RESETTABLE FUSE	THROUGH HOLE MOUNT	1.3 ohm		85 Cel		OVERCURRENT PROTECTION	RADIAL				BULK	2	Radial		WIRE			-20 Cel	TIN	20 mm		240 V	FLAME PROOF, RMIN AT 23 DEG CEL	10 mm	e3	CUL; TUV; UL	3.8 mm
MF-RM025/240-2	Bourns	PTC RESETTABLE FUSE	THROUGH HOLE MOUNT	1.3 ohm		85 Cel		OVERCURRENT PROTECTION	RADIAL				TR, 14.5 INCH	2	Radial		WIRE			-20 Cel	TIN	20 mm		240 V	FLAME PROOF, RMIN AT 23 DEG CEL	10 mm	e3	CUL; TUV; UL	3.8 mm
MF-RX185/72-0-14	Bourns	PTC RESETTABLE FUSE	THROUGH HOLE MOUNT	.08 ohm		85 Cel		OVERCURRENT PROTECTION	RADIAL		RECTANGULAR PACKAGE		BULK	2	Radial		WIRE	Non-linear Resistors	15.18mm x 3.1mm x 21.18mm	-40 Cel	TIN	21.18 mm		72 V	RMIN AT 23 DEG CEL	15.18 mm	e3	CUL; TUV; UL	3.1 mm	72 V
MF-RX185/72-2	Bourns	PTC RESETTABLE FUSE	THROUGH HOLE MOUNT	.08 ohm		85 Cel		OVERCURRENT PROTECTION	RADIAL		RECTANGULAR PACKAGE		TR, 15 INCH	2	Radial		WIRE			-40 Cel	TIN	21.18 mm		72 V	RMIN AT 23 DEG CEL	15.18 mm	e3	CUL; TUV; UL	3.1 mm	72 V
MF-RX185/72-2-14	Bourns	PTC RESETTABLE FUSE	THROUGH HOLE MOUNT	.08 ohm		85 Cel		OVERCURRENT PROTECTION	RADIAL				TR, 15 INCH	2	Radial		WIRE			-40 Cel	TIN	21.18 mm		72 V	RMIN AT 23 DEG CEL	15.18 mm	e3	CUL; TUV; UL	3.1 mm	72 V
MF-RX250/72-2	Bourns	PTC RESETTABLE FUSE	THROUGH HOLE MOUNT	.05 ohm		85 Cel		OVERCURRENT PROTECTION	RADIAL		RECTANGULAR PACKAGE		TR, 15 INCH	2	Radial		WIRE			-40 Cel	TIN	23.84 mm		72 V	RMIN AT 23 DEG CEL	17.84 mm	e3	CUL; TUV; UL	3.1 mm	72 V
MF-RX300/72-2-14	Bourns	PTC RESETTABLE FUSE	THROUGH HOLE MOUNT	.04 ohm		85 Cel		OVERCURRENT PROTECTION	RADIAL				TR, 15 INCH	2	Radial		WIRE			-40 Cel	TIN	26.67 mm		72 V	RMIN AT 23 DEG CEL	20.67 mm	e3	CUL; TUV; UL	3.1 mm	72 V
MF-S200	Bourns	PTC RESETTABLE FUSE	SURFACE MOUNT			85 Cel		OVERCURRENT PROTECTION	AXIAL		RECTANGULAR PACKAGE		BULK	2	SMT		FLAT			-40 Cel	TIN SILVER	1.1 mm		30 V	0.03 TO 0.06 OHMS AT 23 DEG CEL	23.4 mm	e2		11 mm	30 V
MF-SM200-2-99	Bourns	PTC RESETTABLE FUSE	SURFACE MOUNT		1.9 W	85 Cel		OVERLOAD PROTECTION	DUAL ENDED		RECTANGULAR PACKAGE		TR	2		15 V	FLAT			-40 Cel	Matte Tin (Sn) - with Nickel (Ni) barrier	3 mm			0.045 TO 0.125 OHMS AT 23 DEG CEL	9.5 mm	e3		6.71 mm
MOV-07D561K	Bourns	VARISTOR	THROUGH HOLE MOUNT		.25 W	105 Cel			RADIAL	METAL OXIDE FILM	DISK PACKAGE	30 J	BULK	2	Radial		WIRE			-40 Cel	TIN	11 mm	350 V	460 V		9 mm	e3	UL	5.4 mm	460 V
MOV-20D820KTR	Bourns	VARISTOR	THROUGH HOLE MOUNT		1 W	105 Cel			RADIAL	METAL OXIDE	DISK PACKAGE	38 J	TR, 14 INCH	2	Radial		WIRE			-40 Cel	TIN	26 mm	50 V	65 V		23 mm	e3	CUL; UL	4.2 mm
P-TCO-U400/12-2	Bourns	PTC THERMISTOR
ZV20K2220122NIR1HT	Bourns	VARISTOR	SURFACE MOUNT		.02 W	150 Cel			DUAL ENDED		RECTANGULAR PACKAGE	8 J	TR, 7 INCH	2	SMT		WRAPAROUND			-55 Cel	TIN OVER NICKEL	1.45 mm	20 V	26 V		5.7 mm	e3		5 mm	26 V
ZV25K2220122NIR1HT	Bourns	VARISTOR	SURFACE MOUNT		.02 W	150 Cel			DUAL ENDED		RECTANGULAR PACKAGE	9.5 J	TR, 7 INCH	2	SMT		WRAPAROUND			-55 Cel	TIN OVER NICKEL	1.45 mm	25 V	31 V		5.7 mm	e3		5 mm	31 V
MF-MSMF020/60	Bourns	PTC RESETTABLE FUSE	SURFACE MOUNT			85 Cel		OVERLOAD PROTECTION	DUAL ENDED		RECTANGULAR PACKAGE			2		60 V	ONE SURFACE	Non-linear Resistors		-40 Cel	GOLD OVER NICKEL				RESISTANCE MIN IS 0.4 OHMS AT 23 DEG CEL		e4	AEC-Q200
MF-R025-0-99	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 1 OHMS	7.4 mm	e3	CUL, TUV, UL	3.1 mm	60 V
MF-R075	Bourns	PTC RESETTABLE FUSE	THROUGH HOLE MOUNT	.18 ohm		85 Cel			RADIAL		DISK PACKAGE		Bulk	2	Radial		WIRE			-40 Cel	MATTE TIN	16 mm		60 V		10.4 mm	e3	CUL; TUV	3.1 mm
MF-R135-AP	Bourns	PTC RESETTABLE FUSE	THROUGH HOLE MOUNT	.065 ohm		85 Cel			RADIAL		DISK PACKAGE		AMMO PACK	2	Radial		WIRE			-40 Cel	TIN	18.9 mm		30 V		8.9 mm	e3	CUL; TUV	3 mm
MF-R600	Bourns	PTC RESETTABLE FUSE	THROUGH HOLE MOUNT	.005 ohm		85 Cel			RADIAL		RECTANGULAR PACKAGE		Bulk	2	Radial		WIRE			-40 Cel	MATTE TIN	31.9 mm		30 V		19.3 mm	e3	CUL; TUV	3 mm
MF-R600-0-99	Bourns	PTC RESETTABLE FUSE	THROUGH HOLE MOUNT			85 Cel		OVERCURRENT PROTECTION	RADIAL		RECTANGULAR PACKAGE		Bulk	2	Radial		WIRE			-40 Cel	Matte Tin (Sn)	31.9 mm		30 V	MINIMUM RESISTANCE IS 0.005 OHMS	19.3 mm	e3	CUL, TUV, UL	3 mm	30 V
MF-RX020/72-0	Bourns	PTC RESETTABLE FUSE	THROUGH HOLE MOUNT	1.5 ohm		85 Cel		OVERCURRENT PROTECTION	RADIAL		RECTANGULAR PACKAGE		BULK	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-RX110/72-2	Bourns	PTC RESETTABLE FUSE	THROUGH HOLE MOUNT	.15 ohm		85 Cel		OVERCURRENT PROTECTION	RADIAL		RECTANGULAR PACKAGE		TR, 15 INCH	2	Radial		WIRE			-40 Cel	TIN	16.84 mm		72 V	RMIN AT 23 DEG CEL	10.84 mm	e3	CUL; TUV; UL	3.1 mm	72 V
MF-RX185/72-AP	Bourns	PTC RESETTABLE FUSE	THROUGH HOLE MOUNT	.08 ohm		85 Cel		OVERCURRENT PROTECTION	RADIAL		RECTANGULAR PACKAGE		AMMO PACK	2	Radial		WIRE			-40 Cel	TIN	21.18 mm		72 V	RMIN AT 23 DEG CEL	15.18 mm	e3	CUL; TUV; UL	3.1 mm	72 V
MF-RX185/72-AP-14	Bourns	PTC RESETTABLE FUSE	THROUGH HOLE MOUNT	.08 ohm		85 Cel		OVERCURRENT PROTECTION	RADIAL				AMMO PACK	2	Radial		WIRE			-40 Cel	TIN	21.18 mm		72 V	RMIN AT 23 DEG CEL	15.18 mm	e3	CUL; TUV; UL	3.1 mm	72 V
MF-SM150/33-2-99	Bourns	PTC RESETTABLE FUSE	SURFACE MOUNT		1.9 W	85 Cel		OVERLOAD PROTECTION	DUAL ENDED		RECTANGULAR PACKAGE		TR	2	SMT		FLAT	Non-linear Resistors		-40 Cel	MATTE TIN OVER NICKEL	3 mm		33 V	0.06 TO 0.23 OHMS AT 23 DEG CEL	9.5 mm	e3		6.71 mm	33 V
MOV-14D102K	Bourns	VARISTOR	THROUGH HOLE MOUNT		.6 W	105 Cel			RADIAL	METAL OXIDE	DISK PACKAGE	190 J	BULK	2	Radial		WIRE	Non-linear Resistors		-40 Cel	TIN	22 mm	625 V	825 V		16.5 mm	e3	CUL; UL	8.2 mm
MOV-20D471K	Bourns	VARISTOR	THROUGH HOLE MOUNT		1 W	105 Cel			RADIAL	METAL OXIDE	DISK PACKAGE	220 J	BULK	2	Radial		WIRE			-40 Cel	TIN	26 mm	300 V	385 V		23 mm	e3	CUL; UL	5.9 mm
MOV-20D471KTR	Bourns	VARISTOR	THROUGH HOLE MOUNT		1 W	105 Cel			RADIAL	METAL OXIDE	DISK PACKAGE	220 J	TR, 14 INCH	2	Radial		WIRE			-40 Cel	TIN	26 mm	300 V	385 V		23 mm	e3	CUL; UL	5.9 mm
MOV-20D561K	Bourns	VARISTOR	THROUGH HOLE MOUNT		1 W	105 Cel			RADIAL	METAL OXIDE	DISK PACKAGE	220 J	BULK	2	Radial		WIRE			-40 Cel	TIN	28 mm	350 V	460 V		23 mm	e3	CUL; UL	6.5 mm
MOV-20D561KTR	Bourns	VARISTOR	THROUGH HOLE MOUNT		1 W	105 Cel			RADIAL	METAL OXIDE	DISK PACKAGE	220 J	TR, 14 INCH	2	Radial		WIRE			-40 Cel	TIN	28 mm	350 V	460 V		23 mm	e3	CUL; UL	6.5 mm
AV17K1812801NIR1HT	Bourns	VARISTOR	SURFACE MOUNT		.015 W	150 Cel			DUAL ENDED			2.9 J	TR, 7 INCH	2	SMT		WRAPAROUND			-55 Cel		1.3 mm	17 V	20 V		4.7 mm		AEC-Q200	3.2 mm
MF-RX110-2	Bourns	PTC RESETTABLE FUSE	THROUGH HOLE MOUNT	.15 ohm		85 Cel		OVERCURRENT PROTECTION	RADIAL		DISK PACKAGE		TR, 14.5 INCH	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
MOV-20D431K	Bourns	VARISTOR	THROUGH HOLE MOUNT		1 W	105 Cel			RADIAL	METAL OXIDE	DISK PACKAGE	190 J	BULK	2	Radial		WIRE			-40 Cel	TIN	26 mm	275 V	350 V		23 mm	e3	CUL; UL	5.6 mm
MOV-07D431KTR	Bourns	VARISTOR	THROUGH HOLE MOUNT		.25 W	105 Cel			RADIAL	METAL OXIDE FILM	DISK PACKAGE	28 J	TR, 14 INCH	2	Radial		WIRE			-40 Cel	TIN	11 mm	275 V	350 V		9 mm	e3	UL	4.8 mm	350 V
CG0402MLC-12LG	Bourns	VARISTOR	SURFACE MOUNT			85 Cel			DUAL ENDED		RECTANGULAR PACKAGE		TR, PAPER, 7 INCH	2			WRAPAROUND			-40 Cel			25 V	12 V						12 V
MF-NSMF020X-2	Bourns	PTC RESETTABLE FUSE	SURFACE MOUNT	.6 ohm		85 Cel			DUAL ENDED		RECTANGULAR PACKAGE		TR, 7 INCH	2	SMT		WRAPAROUND			-40 Cel	GOLD OVER NICKEL	.85 mm		30 V	RMIN AT 23 DEG CEL	3.4 mm	e4	AEC-Q200; CUL; TUV; UL	1.8 mm
DV275K3225R2	Bourns	VARISTOR	SURFACE MOUNT		.1 W	125 Cel			DUAL ENDED			13 J	TR, 13 INCH	2	SMT		WRAPAROUND			-40 Cel		2 mm	275 V	350 V		8 mm			6.3 mm
ZV30K2220122NIR1HT	Bourns	VARISTOR	SURFACE MOUNT		.02 W	150 Cel			DUAL ENDED		RECTANGULAR PACKAGE	12.2 J	TR, 7 INCH	2	SMT		WRAPAROUND			-55 Cel	TIN OVER NICKEL	1.45 mm	30 V	38 V		5.7 mm	e3		5 mm	38 V
MF-PSHT035KX-2	Bourns	PTC RESETTABLE FUSE	SURFACE MOUNT	.25 ohm		125 Cel			DUAL ENDED				TR, 7 INCH	2	SMT		WRAPAROUND			-40 Cel	Gold (Au) - with Nickel (Ni) barrier	1.2 mm		16 V	RMIN AT 23 DEG CEL	2.3 mm	e4	AEC-Q200; CUL; TUV	1.5 mm
MOV-20D241K	Bourns	VARISTOR	THROUGH HOLE MOUNT		1 W	105 Cel			RADIAL	METAL OXIDE	DISK PACKAGE	108 J	BULK	2	Radial		WIRE			-40 Cel	TIN	26 mm	150 V	200 V		23 mm	e3	CUL; UL	4.4 mm
CMF-RL25U-0	Bourns	PTC RESETTABLE FUSE	THROUGH HOLE MOUNT	25 ohm		125 Cel	20 %	OVERCURRENT PROTECTION	RADIAL		DISK PACKAGE		BULK	2	Radial	230 V	WIRE			-40 Cel	TIN	5.2 mm	230 V			5.2 mm	e3		3.5 mm
DV275K4032R2	Bourns	VARISTOR	SURFACE MOUNT		.25 W	125 Cel			DUAL ENDED			29 J	TR, 13 INCH	2	SMT		WRAPAROUND			-40 Cel		2 mm	275 V	350 V		10 mm			8 mm
MF-LSMF600/12X-2	Bourns	PTC RESETTABLE FUSE	SURFACE MOUNT	.004 ohm		85 Cel			DUAL ENDED				TR, 13 INCH	2	SMT		WRAPAROUND			-40 Cel	GOLD OVER NICKEL	1.6 mm		12 V	RMIN AT 23 DEG CEL	7.98 mm	e4	CUL; TUV; UL	5.44 mm
MF-NSHT035KX-2	Bourns	PTC RESETTABLE FUSE	SURFACE MOUNT	.4 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-R900	Bourns	PTC RESETTABLE FUSE	THROUGH HOLE MOUNT	.005 ohm		85 Cel			RADIAL		RECTANGULAR PACKAGE		Bulk	2	Radial		WIRE			-40 Cel	MATTE TIN	32.9 mm		30 V		24.2 mm	e3	CUL; TUV	3 mm
MOV-07D511K	Bourns	VARISTOR	THROUGH HOLE MOUNT		.25 W	105 Cel			RADIAL	METAL OXIDE FILM	DISK PACKAGE	30 J	BULK	2	Radial		WIRE			-40 Cel	TIN	11 mm	320 V	415 V		9 mm	e3	UL	5.1 mm	415 V
CMF-SDP25A-2	Bourns	PTC RESETTABLE FUSE	SURFACE MOUNT	25 ohm		125 Cel	20 %	OVERLOAD PROTECTION	DUAL IN-LINE		RECTANGULAR PACKAGE		TR, 13 INCH	4		230 V	FLAT			-40 Cel	Tin (Sn)						e3

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.