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-USMF110-2	Bourns	PTC RESETTABLE FUSE	SURFACE MOUNT	.05 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-FSMF050X-2	Bourns	PTC RESETTABLE FUSE	SURFACE MOUNT	.1 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	1 mm		6 V	RMIN AT 23 DEG CEL	1.85 mm	e4	CUL; TUV; UL	1.05 mm
MF-MSMF075/24-2	Bourns	PTC RESETTABLE FUSE	SURFACE MOUNT	.11 ohm		85 Cel	OVERCURRENT PROTECTION	DUAL ENDED				TR, 7 INCH	2	SMT		WRAPAROUND			-40 Cel	GOLD OVER NICKEL	.85 mm		24 V	RMIN AT 23 DEG CEL	4.73 mm	e4	AEC-Q200; CUL; TUV; UL	3.41 mm
MF-PSMF035X-2	Bourns	PTC RESETTABLE FUSE	SURFACE MOUNT	.25 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-SMDF050-2	Bourns	PTC RESETTABLE FUSE	SURFACE MOUNT	.2 ohm		85 Cel		DUAL ENDED		RECTANGULAR PACKAGE		TR, 13 INCH	2	SMT		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-USMF020-2	Bourns	PTC RESETTABLE FUSE	SURFACE MOUNT	.4 ohm		85 Cel	OVERCURRENT PROTECTION	DUAL ENDED		RECTANGULAR PACKAGE		TR, 7 INCH	2	SMT		WRAPAROUND			-40 Cel	GOLD OVER NICKEL	1.1 mm		30 V	RMIN AT 23 DEG CEL	3.43 mm	e4	AEC-Q200; CUL; TUV; UL	2.8 mm
MF-MSMF050-2	Bourns	PTC RESETTABLE FUSE	SURFACE MOUNT	.15 ohm		85 Cel	OVERCURRENT PROTECTION	DUAL ENDED				TR, 7 INCH	2	SMT		WRAPAROUND			-40 Cel	GOLD OVER NICKEL	.85 mm		15 V	RMIN AT 23 DEG CEL	4.73 mm		AEC-Q200; CUL; TUV; UL	3.41 mm
MF-SM050-2-99	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 OVER NICKEL	7.98 mm			0.35 TO 1.4 OHMS AT 23 DEG CEL	6.73 mm	e3		3.18 mm
MF-SM050-2	Bourns	PTC RESETTABLE FUSE	SURFACE MOUNT	.35 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		60 V	RMIN AT 23 DEG CEL	7.98 mm	e3	AEC-Q200; CUL; TUV; UL	5.44 mm
MF-SM185/33-2	Bourns	PTC RESETTABLE FUSE	SURFACE MOUNT	.04 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 mm		33 V	RMIN AT 23 DEG CEL	9.5 mm	e3	AEC-Q200; CUL; TUV; UL	6.71 mm
MF-MSMF110/24X-2	Bourns	PTC RESETTABLE FUSE	SURFACE MOUNT	.06 ohm		85 Cel	OVERCURRENT PROTECTION	DUAL ENDED				TR, 7 INCH	2	SMT		WRAPAROUND			-40 Cel	GOLD OVER NICKEL	1.6 mm		24 V	RMIN AT 23 DEG CEL	4.83 mm	e4	AEC-Q200; CUL; TUV; UL	3.41 mm
MF-R110	Bourns	PTC RESETTABLE FUSE	THROUGH HOLE MOUNT	.1 ohm		85 Cel		RADIAL		DISK PACKAGE		Bulk	2	Radial		WIRE			-40 Cel	MATTE TIN	14 mm		30 V		8.9 mm	e3	CUL; TUV	3 mm
MF-RX375	Bourns	PTC RESETTABLE FUSE	THROUGH HOLE MOUNT	.03 ohm		85 Cel	OVERCURRENT PROTECTION	RADIAL		DISK PACKAGE		BULK	2	Radial		WIRE			-40 Cel	TIN	33.5 mm		60 V	RMAX: 0.05OHMS AT 23 DEG CEL	28.4 mm	e3	CUL; TUV; UL	3.1 mm	60 V
MF-MSMF030-2	Bourns	PTC RESETTABLE FUSE	SURFACE MOUNT	.3 ohm		85 Cel	OVERCURRENT PROTECTION	DUAL ENDED				TR, 7 INCH	2	SMT		WRAPAROUND			-40 Cel	GOLD OVER NICKEL	1.1 mm		30 V	RMIN AT 23 DEG CEL	4.73 mm		AEC-Q200; CUL; TUV; UL	3.41 mm
MF-SM150/33-2	Bourns	PTC RESETTABLE FUSE	SURFACE MOUNT	.06 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 mm		33 V	RMIN AT 23 DEG CEL	9.5 mm	e3	AEC-Q200; CUL; TUV; UL	6.71 mm
MF-MSMF020/60-2	Bourns	PTC RESETTABLE FUSE	SURFACE MOUNT	.4 ohm		85 Cel	OVERCURRENT PROTECTION	DUAL ENDED				TR, 7 INCH	2	SMT		WRAPAROUND			-40 Cel	GOLD OVER NICKEL	1.1 mm		60 V	RMIN AT 23 DEG CEL	4.73 mm		AEC-Q200; CUL; TUV; UL	3.41 mm
MF-USMF005-2	Bourns	PTC RESETTABLE FUSE	SURFACE MOUNT	2.8 ohm		85 Cel	OVERCURRENT PROTECTION	DUAL ENDED		RECTANGULAR PACKAGE		TR, 7 INCH	2	SMT		WRAPAROUND			-40 Cel	GOLD OVER NICKEL	1.1 mm		30 V	RMIN AT 23 DEG CEL	3.43 mm	e4	AEC-Q200; CUL; TUV; UL	2.8 mm
CG0603MLC-05E	Bourns	VARISTOR	SURFACE MOUNT			125 Cel		DUAL ENDED		RECTANGULAR PACKAGE		TR, PAPER, 7 INCH	2	SMT		WRAPAROUND			-55 Cel	SILVER	.51 mm		5 V		1.6 mm	e4	AEC-Q200	.85 mm	5 V
MF-RX160/72-0	Bourns	PTC RESETTABLE FUSE	THROUGH HOLE MOUNT	.09 ohm		85 Cel	OVERCURRENT PROTECTION	RADIAL		RECTANGULAR PACKAGE		BULK	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-MSMF020-2	Bourns	PTC RESETTABLE FUSE	SURFACE MOUNT	.4 ohm		85 Cel	OVERCURRENT PROTECTION	DUAL ENDED				TR, 7 INCH	2	SMT		WRAPAROUND			-40 Cel	GOLD OVER NICKEL	1.1 mm		30 V	RMIN AT 23 DEG CEL	4.73 mm		AEC-Q200; CUL; TUV; UL	3.41 mm
MF-MSMF010-2	Bourns	PTC RESETTABLE FUSE	SURFACE MOUNT	.7 ohm		85 Cel	OVERCURRENT PROTECTION	DUAL ENDED				TR, 7 INCH	2	SMT		WRAPAROUND			-40 Cel	GOLD OVER NICKEL	1.1 mm		60 V	RMIN AT 23 DEG CEL	4.73 mm		AEC-Q200; CUL; TUV; UL	3.41 mm
MF-USMF150-2	Bourns	PTC RESETTABLE FUSE	SURFACE MOUNT	.03 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-RX250	Bourns	PTC RESETTABLE FUSE	THROUGH HOLE MOUNT	.05 ohm		85 Cel	OVERCURRENT PROTECTION	RADIAL		DISK PACKAGE		BULK	2	Radial		WIRE			-40 Cel	TIN	26.4 mm		60 V	RMAX: 0.08OHMS AT 23 DEG CEL	21.3 mm	e3	CUL; TUV; UL	3.1 mm	60 V
MF-USMF010-2	Bourns	PTC RESETTABLE FUSE	SURFACE MOUNT	.8 ohm		85 Cel	OVERCURRENT PROTECTION	DUAL ENDED		RECTANGULAR PACKAGE		TR, 7 INCH	2	SMT		WRAPAROUND			-40 Cel	GOLD OVER NICKEL	1.1 mm		30 V	RMIN AT 23 DEG CEL	3.43 mm	e4	AEC-Q200; CUL; TUV; UL	2.8 mm
MF-MSMF014-2	Bourns	PTC RESETTABLE FUSE	SURFACE MOUNT	.4 ohm		85 Cel	OVERCURRENT PROTECTION	DUAL ENDED				TR, 7 INCH	2	SMT		WRAPAROUND			-40 Cel	GOLD OVER NICKEL	1.1 mm		60 V	RMIN AT 23 DEG CEL	4.73 mm		AEC-Q200; CUL; TUV; UL	3.41 mm
MF-MSMF150/24X-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	1.6 mm		24 V	RMIN AT 23 DEG CEL	4.83 mm	e4	AEC-Q200; CUL; TUV; UL	3.41 mm
MF-SM100-2	Bourns	PTC RESETTABLE FUSE	SURFACE MOUNT	.12 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 mm		30 V	RMIN AT 23 DEG CEL	7.98 mm	e3	AEC-Q200; CUL; TUV; UL	5.44 mm
MF-MSMF110/16-2	Bourns	PTC RESETTABLE FUSE	SURFACE MOUNT	.04 ohm		85 Cel	OVERCURRENT PROTECTION	DUAL ENDED				TR, 7 INCH	2	SMT		WRAPAROUND			-40 Cel	GOLD OVER NICKEL	.85 mm		16 V	RMIN AT 23 DEG CEL	4.73 mm	e4	AEC-Q200; CUL; TUV; UL	3.41 mm
MF-R030-2	Bourns	PTC RESETTABLE FUSE	THROUGH HOLE MOUNT	.76 ohm		85 Cel		RADIAL		DISK PACKAGE		TR, 15 INCH	2	Radial		WIRE			-40 Cel	TIN	13.4 mm		60 V		7.4 mm	e3	CUL; TUV	3.1 mm
MF-R050	Bourns	PTC RESETTABLE FUSE	THROUGH HOLE MOUNT	.41 ohm		85 Cel		RADIAL		DISK PACKAGE		Bulk	2	Radial		WIRE			-40 Cel	MATTE TIN	13.7 mm		60 V		7.9 mm	e3	CUL; TUV	3.1 mm
MF-NSMF012-2	Bourns	PTC RESETTABLE FUSE	SURFACE MOUNT	1.35 ohm		85 Cel		DUAL ENDED		RECTANGULAR PACKAGE		TR, 7 INCH	2	SMT		WRAPAROUND			-40 Cel	GOLD OVER NICKEL	1.1 mm		30 V	RMIN AT 23 DEG CEL	3.4 mm	e4	AEC-Q200; CUL; TUV; UL	1.8 mm
MF-SM100/33-2	Bourns	PTC RESETTABLE FUSE	SURFACE MOUNT	.12 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 mm		33 V	RMIN AT 23 DEG CEL	7.98 mm	e3	AEC-Q200; CUL; TUV; UL	5.44 mm
MF-R050-0-99	Bourns	PTC RESETTABLE FUSE	THROUGH HOLE MOUNT			85 Cel	OVERCURRENT PROTECTION	RADIAL		DISK PACKAGE		Bulk	2	Radial		WIRE			-40 Cel	Matte Tin (Sn)	13.7 mm		60 V	MINIMUM RESISTANCE IS 0.41 OHMS	7.9 mm	e3	CUL, TUV, UL	3.1 mm	60 V
MF-R050-2-17	Bourns	PTC RESETTABLE FUSE	THROUGH HOLE MOUNT	.41 ohm		85 Cel	OVERCURRENT PROTECTION	RADIAL				TR, 15 INCH	2	Radial		WIRE			-40 Cel	Matte Tin (Sn)	13.7 mm		60 V	RMIN AT 23 DEG CEL	7.9 mm	e3	CUL, TUV, UL	3.1 mm
MF-PSMF020X-2	Bourns	PTC RESETTABLE FUSE	SURFACE MOUNT	.65 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	9 V
MF-MSMF250/16X-2	Bourns	PTC RESETTABLE FUSE	SURFACE MOUNT	.015 ohm		85 Cel	OVERCURRENT PROTECTION	DUAL ENDED				TR, 7 INCH	2	SMT		WRAPAROUND			-40 Cel	GOLD OVER NICKEL	1.6 mm		16 V	RMIN AT 23 DEG CEL	4.83 mm	e4	AEC-Q200; CUL; TUV; UL	3.41 mm
MF-R050-2	Bourns	PTC RESETTABLE FUSE	THROUGH HOLE MOUNT	.41 ohm		85 Cel		RADIAL		DISK PACKAGE		TR, 15 INCH	2	Radial		WIRE			-40 Cel	Matte Tin (Sn)	13.7 mm		60 V		7.9 mm	e3	CUL; TUV	3.1 mm
MF-SM075/60-2	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 (Sn) - with Nickel (Ni) barrier	3.18 mm		60 V	RMIN AT 23 DEG CEL	7.98 mm	e3	AEC-Q200; CUL; TUV; UL	5.44 mm
MF-SM030-2	Bourns	PTC RESETTABLE FUSE	SURFACE MOUNT	.9 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		60 V	RMIN AT 23 DEG CEL	7.98 mm	e3	AEC-Q200; CUL; TUV; UL	5.44 mm
MF-LSMF300/24X-2	Bourns	PTC RESETTABLE FUSE	SURFACE MOUNT	.015 ohm		85 Cel		DUAL ENDED		RECTANGULAR PACKAGE		TR, 13 INCH	2	SMT		WRAPAROUND			-40 Cel	GOLD OVER NICKEL	1.6 mm		24 V	RMIN AT 23 DEG CEL	7.98 mm	e4	AEC-Q200; CSA; TUV; UL	5.44 mm
MF-R050-2-99	Bourns	PTC RESETTABLE FUSE	THROUGH HOLE MOUNT			85 Cel	OVERCURRENT PROTECTION	RADIAL		DISK PACKAGE		TR, 15 INCH	2	Radial		WIRE			-40 Cel	Matte Tin (Sn)	13.7 mm		60 V	MINIMUM RESISTANCE IS 0.41 OHMS	7.9 mm	e3	CUL, TUV, UL	3.1 mm	60 V
MF-SM100-2-99	Bourns	PTC RESETTABLE FUSE	SURFACE MOUNT	.48 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 3mm	-40 Cel	Matte Tin (Sn) - with Nickel (Ni) barrier	3 mm		30 V	0.12 TO 0.48 OHMS AT 23 DEG CEL	7.98 mm	e3	CSA, TUV, UL	5.44 mm
CG0603MLA-5.5ME	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	4 V	5.5 V		1.6 mm	e3		.8 mm	5.5 V
MF-R050-AP	Bourns	PTC RESETTABLE FUSE	THROUGH HOLE MOUNT	.41 ohm		85 Cel		RADIAL		DISK PACKAGE		AMMO PACK	2	Radial		WIRE			-40 Cel	Matte Tin (Sn)	13.7 mm		60 V		7.9 mm	e3	CUL; TUV	3.1 mm
MF-PSMF110X-2	Bourns	PTC RESETTABLE FUSE	SURFACE MOUNT	.06 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	1.25 mm			RMIN AT 23 DEG CEL	2.3 mm	e4	CUL; TUV; UL	1.5 mm	6 V
MF-NSMF050-2	Bourns	PTC RESETTABLE FUSE	SURFACE MOUNT	.15 ohm		85 Cel		DUAL ENDED		RECTANGULAR PACKAGE		TR, 7 INCH	2	SMT		WRAPAROUND			-40 Cel	GOLD OVER NICKEL	.85 mm		13.2 V	RMIN AT 23 DEG CEL	3.4 mm	e4	AEC-Q200; CUL; TUV; UL	1.8 mm
MF-RX375/72-0	Bourns	PTC RESETTABLE FUSE	THROUGH HOLE MOUNT	.03 ohm		85 Cel	OVERCURRENT PROTECTION	RADIAL		RECTANGULAR PACKAGE		BULK	2	Radial		WIRE			-40 Cel	TIN	29.51 mm		72 V	RMIN AT 23 DEG CEL	23.51 mm	e3	CUL; TUV; UL	3.1 mm	72 V
MF-GSMF300/36X-2	Bourns	PTC RESETTABLE FUSE	SURFACE MOUNT	.01 ohm		85 Cel	OVERCURRENT PROTECTION	DUAL ENDED				TR, 13 INCH	2	SMT		WRAPAROUND			-40 Cel		1.6 mm		36 V	RMIN AT 23 DEG CEL	9 mm		CUL; TUV; UL	6.7 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.