4990 ohm Fixed Resistors 149

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Part	Manufacturer	Resistor Type	Mounting Type	Resistance	Rated Power Dissipation (P)	Maximum Operating Temperature	Tolerance	Diameter (Lead)	Rated Temperature	Technology	Shape (Package)	Construction	Packing Method	Size Code	No. of Terminals	Package Style (Meter)	Terminal Shape	Sub-Category	Dimensions	Minimum Operating Temperature	Temperature Coef (ppm/Cel)	Terminal Finish	Length (Lead)	Height (Package)	Operating Voltage	Additional Features	Length (Package)	JESD-609 Code	Diameter (Package)	Reference Standard	Width (Package)
M55342K12B4E99R	Vishay Intertechnology	FIXED RESISTOR	SURFACE MOUNT	4990 ohm	.1 W	125 Cel	1 %			THIN FILM	RECTANGULAR PACKAGE	Chip		0603	2	SMT	WRAPAROUND	Fixed Resistors		-55 Cel	100	Tin/Lead (Sn60Pb40) - with Nickel (Ni) barrier		.546 mm	50 V	NON-INDUCTIVE, LASER TRIMMABLE	1.626 mm	e0		MIL-PRF-55342	.813 mm
M55342K12B4E99RS2	Vishay Intertechnology	FIXED RESISTOR	SURFACE MOUNT	4990 ohm	.1 W	150 Cel	1 %		70 Cel	METAL GLAZE/THICK FILM		Rectangular	TR, 7 INCH	0603	2	SMT	WRAPAROUND			-65 Cel	100	TIN LEAD OVER NICKEL		.46 mm	50 V	ANTI-SULFUR	1.6 mm			MIL-PRF-55342	.81 mm
M55342K12B4E99RS3	Vishay Intertechnology	FIXED RESISTOR	SURFACE MOUNT	4990 ohm	.1 W	150 Cel	1 %		70 Cel	METAL GLAZE/THICK FILM		Rectangular	TR, 7 INCH	0603	2	SMT	WRAPAROUND			-65 Cel	100	TIN LEAD OVER NICKEL		.46 mm	50 V	ANTI-SULFUR	1.6 mm			MIL-PRF-55342	.81 mm
M55342K12B4E99RS6	Vishay Intertechnology	FIXED RESISTOR	SURFACE MOUNT	4990 ohm	.1 W	150 Cel	1 %		70 Cel	METAL GLAZE/THICK FILM		Rectangular	TR, 7 INCH	0603	2	SMT	WRAPAROUND			-65 Cel	100	TIN LEAD OVER NICKEL		.46 mm	50 V	ANTI-SULFUR	1.6 mm			MIL-PRF-55342	.81 mm
M55342K12B4E99RSV	Vishay Intertechnology	FIXED RESISTOR	SURFACE MOUNT	4990 ohm	.1 W	150 Cel	1 %		70 Cel	METAL GLAZE/THICK FILM	RECTANGULAR PACKAGE	Rectangular	TR, 7 INCH	0603	2	SMT	WRAPAROUND			-65 Cel	100	Tin/Lead (Sn80Pb20) - with Nickel (Ni) barrier		.46 mm	50 V	ANTI-SULFUR	1.6 mm	e0		MIL-PRF-55342	.81 mm
M55342K12B4E99RTP	Vishay Intertechnology	FIXED RESISTOR	SURFACE MOUNT	4990 ohm	.1 W	150 Cel	1 %		70 Cel	THIN FILM	RECTANGULAR PACKAGE	Rectangular	TR	0603	2	SMT	WRAPAROUND			-65 Cel	100	Tin/Lead (Sn60Pb40) - with Nickel (Ni) barrier		.8382 mm	50 V	NON-INDUCTIVE	1.6256 mm	e0		MIL-PRF-55342	.8128 mm
M55342K12B4E99RWL	Vishay Intertechnology	FIXED RESISTOR	SURFACE MOUNT	4990 ohm	.1 W	150 Cel	1 %		70 Cel	METAL GLAZE/THICK FILM		Rectangular	WAFFLE PACK	0603	2	SMT	WRAPAROUND			-65 Cel	100	TIN LEAD OVER NICKEL		.46 mm	50 V	ANTI-SULFUR	1.6 mm			MIL-PRF-55342	.81 mm
M55342K12B4E99RWSV	Vishay Intertechnology	FIXED RESISTOR	SURFACE MOUNT	4990 ohm	.1 W	150 Cel	1 %		70 Cel	THIN FILM	RECTANGULAR PACKAGE	Rectangular	Waffle Pack	0603	2	SMT	WRAPAROUND			-65 Cel	100	Tin/Lead (Sn60Pb40) - with Nickel (Ni) barrier		.8382 mm	50 V		1.6256 mm	e0		MIL-PRF-55342	.8128 mm
PCF0805R-4K99BI	Tt Electronics Plc	FIXED RESISTOR	SURFACE MOUNT	4990 ohm	.1 W	125 Cel	.1 %		70 Cel	THIN FILM		Rectangular	TR, Paper	0805	2	SMT	WRAPAROUND			-55 Cel	25	MATTE TIN OVER NICKEL		.65 mm	100 V	PRECISION	2 mm	e3			1.25 mm
RMCF1/164.99K1%R	Stackpole Electronics	FIXED RESISTOR	SURFACE MOUNT	4990 ohm	.1 W	155 Cel	1 %		70 Cel	METAL GLAZE/THICK FILM	RECTANGULAR PACKAGE	Chip	TR, PAPER, 7 INCH	0603	2	SMT	WRAPAROUND	Fixed Resistors		-65 Cel	100	Matte Tin (Sn) - with Nickel (Ni) barrier		.45 mm	50 V		1.6 mm	e3			.8 mm
RNC55H4991FSBSL	Vishay Intertechnology	FIXED RESISTOR	THROUGH HOLE MOUNT	4990 ohm	.1 W	175 Cel	1 %	.64 mm	125 Cel	METAL FILM		Tubular	BULK		2	Axial	WIRE			-65 Cel	50	Tin/Lead (Sn/Pb)	38.1 mm		200 V	PRECISION	6.35 mm	e0	2.39 mm	MIL-PRF-55182
RP73D2A4K99BTG	TE Connectivity	FIXED RESISTOR	SURFACE MOUNT	4990 ohm	.125 W	155 Cel	.1 %		70 Cel	THIN FILM	RECTANGULAR PACKAGE	Rectangular	TAPE	0805	2	SMT	WRAPAROUND		2mm x 1.25mm x .55mm	-55 Cel	15	MATTE TIN OVER NICKEL		.55 mm	150 V	PRECISION	2 mm	e3			1.25 mm
RP0805BRD074K99L	Yageo	FIXED RESISTOR	SURFACE MOUNT	4990 ohm	.125 W	155 Cel	.1 %		70 Cel	THIN FILM		Rectangular	TR, PAPER, 7 INCH	0805	2	SMT	WRAPAROUND			-55 Cel	25	Matte Tin (Sn) - with Nickel (Ni) barrier		.5 mm	150 V		2 mm	e3		AEC-Q200	1.25 mm
CR0402-FX-4991GLF	Bourns	FIXED RESISTOR	SURFACE MOUNT	4990 ohm	.063 W	155 Cel	1 %		70 Cel	METAL GLAZE/THICK FILM		Rectangular	TR, Paper, 7 Inch	0402	2	SMT	WRAPAROUND			-55 Cel	100	MATTE TIN OVER NICKEL		.32 mm	50 V		1 mm	e3			.5 mm
RC1608F4991CS	Samsung Electro-mechanics	FIXED RESISTOR	SURFACE MOUNT	4990 ohm	.1 W	155 Cel	1 %		70 Cel	METAL GLAZE/THICK FILM	RECTANGULAR PACKAGE	Rectangular	TR, Paper, 7 Inch	0603	2	SMT	WRAPAROUND	FIXED RESISTOR		-55 Cel	100	Matte Tin (Sn) - with Nickel (Ni) barrier		.45 mm	50 V		1.6 mm	e3			.8 mm
RT0603DRD074K99L	Yageo	FIXED RESISTOR	SURFACE MOUNT	4990 ohm	.1 W	155 Cel	.5 %		70 Cel	THIN FILM		Rectangular	TR, PAPER, 7 INCH	0603	2	SMT	WRAPAROUND			-55 Cel	25	Matte Tin (Sn) - with Nickel (Ni) barrier		.45 mm	75 V	HIGH PRECISION, LASER TRIMMABLE	1.6 mm	e3			.8 mm
MCR100JZHF4991	ROHM	FIXED RESISTOR	SURFACE MOUNT	4990 ohm	1 W	125 Cel	1 %		70 Cel	METAL GLAZE/THICK FILM	RECTANGULAR PACKAGE	Rectangular	TR, Embossed, 7 Inch	2512	2	SMT	WRAPAROUND			-55 Cel	100	Tin (Sn) - with Nickel (Ni) barrier		.55 mm	200 V		6.3 mm	e3			3.2 mm
RT0603FRE074K99L	Yageo	FIXED RESISTOR	SURFACE MOUNT	4990 ohm	.1 W	155 Cel	1 %		70 Cel	THIN FILM		Rectangular	TR, PAPER, 7 INCH	0603	2	SMT	WRAPAROUND			-55 Cel	50	Matte Tin (Sn) - with Nickel (Ni) barrier		.45 mm	75 V	HIGH PRECISION, LASER TRIMMABLE	1.6 mm	e3			.8 mm
RT0805BRD074K99L	Yageo	FIXED RESISTOR	SURFACE MOUNT	4990 ohm	.125 W	155 Cel	.1 %		70 Cel	THIN FILM		Rectangular	TR, PAPER, 7 INCH	0805	2	SMT	WRAPAROUND			-55 Cel	25	Matte Tin (Sn) - with Nickel (Ni) barrier		.5 mm	150 V	HIGH PRECISION, LASER TRIMMABLE	2 mm	e3			1.25 mm
MF0207FTE52-4K99	Yageo	FIXED RESISTOR	THROUGH HOLE MOUNT	4990 ohm	.6 W	155 Cel	1 %	.55 mm	70 Cel	METAL FILM	TUBULAR PACKAGE	Tubular	AMMO PACK		2	Axial	WIRE	FIXED RESISTOR		-55 Cel	50	Matte Tin (Sn)			350 V		6.3 mm	e3	2.4 mm	AEC-Q200
MFR-25FRF52-4K99	Yageo	FIXED RESISTOR	THROUGH HOLE MOUNT	4990 ohm	.25 W	155 Cel	1 %	.55 mm	70 Cel	METAL FILM	TUBULAR PACKAGE	Tubular	TR, 12 INCH		2	Axial	WIRE	Fixed Resistors		-55 Cel	100	Matte Tin (Sn)			250 V		6.3 mm	e3	2.4 mm	AEC-Q200
RC0100FR-074K99L	Yageo	FIXED RESISTOR	SURFACE MOUNT	4990 ohm	.0312 W	125 Cel	1 %		70 Cel	METAL GLAZE/THICK FILM		Rectangular	TR, PAPER, 7 INCH	0100	2	SMT	WRAPAROUND			-55 Cel	200	MATTE TIN OVER NICKEL		.13 mm	15 V	LASER TRIMMABLE	.4 mm	e3			.2 mm
RC0201FR-074K99L	Yageo	FIXED RESISTOR	SURFACE MOUNT	4990 ohm	.05 W	125 Cel	1 %		70 Cel	METAL GLAZE/THICK FILM		Rectangular	TR, PAPER, 7 INCH	0201	2	SMT	WRAPAROUND			-55 Cel	200	Matte Tin (Sn) - with Nickel (Ni) barrier		.23 mm	25 V	LASER TRIMMABLE	.6 mm	e3			.3 mm
RP0402BRD074K99L	Yageo	FIXED RESISTOR	SURFACE MOUNT	4990 ohm	.0625 W	155 Cel	.1 %		70 Cel	THIN FILM		Rectangular	TR, PAPER, 7 INCH	0402	2	SMT	WRAPAROUND			-55 Cel	25	Matte Tin (Sn) - with Nickel (Ni) barrier		.3 mm	50 V		1 mm	e3		AEC-Q200	.5 mm
CR1206-FX-4991ELF	Bourns	FIXED RESISTOR	SURFACE MOUNT	4990 ohm	.25 W	155 Cel	1 %		70 Cel	METAL GLAZE/THICK FILM	RECTANGULAR PACKAGE	Rectangular	TR, Paper, 7 Inch	1206	2	SMT	WRAPAROUND			-55 Cel	100	TIN OVER NICKEL		.55 mm	200 V		3.1 mm	e3			1.55 mm
MCR03EZPFX4991	ROHM	FIXED RESISTOR	SURFACE MOUNT	4990 ohm	.1 W	155 Cel	1 %		70 Cel	METAL GLAZE/THICK FILM	RECTANGULAR PACKAGE	Rectangular	TR, Paper, 7 Inch	0603	2	SMT	WRAPAROUND			-55 Cel	100	TIN OVER NICKEL		.45 mm	50 V		1.6 mm	e3			.8 mm
RC1005F4991CS	Samsung Electro-mechanics	FIXED RESISTOR	SURFACE MOUNT	4990 ohm	.0625 W	155 Cel	1 %		70 Cel	METAL GLAZE/THICK FILM	RECTANGULAR PACKAGE	Rectangular	TR, Paper, 7 Inch	0402	2	SMT	WRAPAROUND	FIXED RESISTOR		-55 Cel	100	Matte Tin (Sn) - with Nickel (Ni) barrier		.35 mm	50 V		1 mm	e3			.5 mm
MCR10EZHF4991	ROHM	FIXED RESISTOR	SURFACE MOUNT	4990 ohm	.125 W	155 Cel	1 %		70 Cel	METAL GLAZE/THICK FILM	RECTANGULAR PACKAGE	Chip	TR, PAPER, 7 INCH	0805	2	SMT	WRAPAROUND	Fixed Resistors		-55 Cel	100	Tin (Sn) - with Nickel (Ni) barrier		.55 mm	150 V		2 mm	e3			1.25 mm
RC0603F4991CS	Samsung Electro-mechanics	FIXED RESISTOR	SURFACE MOUNT	4990 ohm	.05 W	125 Cel	1 %		70 Cel	METAL GLAZE/THICK FILM	RECTANGULAR PACKAGE	Rectangular	TR, Paper, 7 Inch	0201	2	SMT	WRAPAROUND	FIXED RESISTOR		-55 Cel	250	TIN OVER NICKEL		.23 mm	25 V		.6 mm	e3			.3 mm
SFR01MZPF4991	ROHM	FIXED RESISTOR	SURFACE MOUNT	4990 ohm	.063 W	155 Cel	1 %		70 Cel	METAL GLAZE/THICK FILM	RECTANGULAR PACKAGE	Rectangular	TR, PAPER, 7 INCH	0402	2	SMT	WRAPAROUND			-55 Cel	100	TIN OVER NICKEL		.35 mm	50 V	ANTI-SULFUR, RATED CURRENT: 1A	1 mm	e3		AEC-Q200; IATF 16949	.5 mm
RC0402FR-074K99P	Yageo	FIXED RESISTOR	SURFACE MOUNT	4990 ohm	.0625 W	155 Cel	1 %		70 Cel	METAL GLAZE/THICK FILM		Rectangular	TR, PAPER, 7 INCH	0402	2	SMT	WRAPAROUND			-55 Cel	100	MATTE TIN OVER NICKEL		.35 mm	50 V	LASER TRIMMABLE	1 mm	e3			.5 mm
AC0201FR-074K99L	Yageo	FIXED RESISTOR	SURFACE MOUNT	4990 ohm	.05 W	155 Cel	1 %		70 Cel	METAL GLAZE/THICK FILM	RECTANGULAR PACKAGE	Rectangular	TR, PAPER, 7 INCH	0201	2	SMT	WRAPAROUND			-55 Cel	200	Matte Tin (Sn) - with Nickel (Ni) barrier		.23 mm	25 V	LASER TRIMMABLE	.6 mm	e3		AEC-Q200	.3 mm
AC0402FR-7W4K99L	Yageo	FIXED RESISTOR	SURFACE MOUNT	4990 ohm	.125 W	155 Cel	1 %		70 Cel	METAL GLAZE/THICK FILM		Rectangular	TR, PAPER, 7 INCH	0402	2	SMT	WRAPAROUND			-55 Cel	100	Matte Tin (Sn) - with Nickel (Ni) barrier		.32 mm	75 V	LASER TRIMMABLE	1 mm	e3		AEC-Q200	.5 mm
AC0603FR-074K99L	Yageo	FIXED RESISTOR	SURFACE MOUNT	4990 ohm	.1 W	155 Cel	1 %		70 Cel	METAL GLAZE/THICK FILM		Rectangular	TR, PAPER, 7 INCH	0603	2	SMT	WRAPAROUND			-55 Cel	100	Matte Tin (Sn) - with Nickel (Ni) barrier		.45 mm	75 V	LASER TRIMMABLE	1.6 mm	e3		AEC-Q200	.8 mm
AC1206FR-074K99L	Yageo	FIXED RESISTOR	SURFACE MOUNT	4990 ohm	.25 W	155 Cel	1 %		70 Cel	METAL GLAZE/THICK FILM		Rectangular	TR, PAPER, 7 INCH	1206	2	SMT	WRAPAROUND			-55 Cel	100	Matte Tin (Sn) - with Nickel (Ni) barrier		.55 mm	200 V	LASER TRIMMABLE	3.1 mm	e3		AEC-Q200	1.6 mm
AT1206BRD074K99L	Yageo	FIXED RESISTOR	SURFACE MOUNT	4990 ohm	.25 W	155 Cel	.1 %		70 Cel	THIN FILM	RECTANGULAR PACKAGE	Rectangular	TR, PAPER, 7 INCH	1206	2	SMT	WRAPAROUND	FIXED RESISTOR		-55 Cel	25	Matte Tin (Sn) - with Nickel (Ni) barrier		.55 mm	200 V	ANTI-SULFUR, HIGH PRECISION	3.1 mm	e3		AEC-Q200	1.6 mm
CRCW12104K99FKEA	Vishay Intertechnology	FIXED RESISTOR	SURFACE MOUNT	4990 ohm	.5 W	155 Cel	1 %		70 Cel	METAL GLAZE/THICK FILM		Rectangular	TR, PAPER, 7 INCH	1210	2	SMT	WRAPAROUND			-55 Cel	100	MATTE TIN OVER NICKEL		.55 mm	200 V	LASER TRIMMABLE, RATED AC VOLTAGE (V): 200	3.2 mm	e3		AEC-Q200	2.5 mm
CRCW25124K99FKEG	Vishay Intertechnology	FIXED RESISTOR	SURFACE MOUNT	4990 ohm	1 W	155 Cel	1 %		70 Cel	METAL GLAZE/THICK FILM		Rectangular	TR, BLISTER, 7 INCH	2512	2	SMT	WRAPAROUND			-55 Cel	100	MATTE TIN OVER NICKEL		.6 mm	500 V	LASER TRIMMABLE, RATED AC VOLTAGE (V): 500	6.3 mm	e3		AEC-Q200	3.15 mm
CRCW25124K99FKEGHP	Vishay Intertechnology	FIXED RESISTOR	SURFACE MOUNT	4990 ohm	1.5 W	155 Cel	1 %		70 Cel	METAL GLAZE/THICK FILM	RECTANGULAR PACKAGE	Rectangular	TR, BLISTER, 7 INCH	2512	2	SMT	WRAPAROUND			-55 Cel	100	MATTE TIN OVER NICKEL		.6 mm	500 V	RATED AC VOLTAGE: 500V	6.3 mm	e3		AEC-Q200	3.15 mm
MBA02040C4991FRP00	Vishay Intertechnology	FIXED RESISTOR	THROUGH HOLE MOUNT	4990 ohm	.25 W	125 Cel	1 %	.5 mm	70 Cel	METAL FILM		Tubular	TR, 10 INCH		2	Axial	WIRE			-55 Cel	50	MATTE TIN	29 mm		200 V	RATED AC VOLTAGE (V):200	3.6 mm	e3	1.6 mm	AEC-Q200
PLTT0805Z4991QGT5	Vishay Intertechnology	FIXED RESISTOR	SURFACE MOUNT	4990 ohm	.25 W	215 Cel	.02 %		70 Cel	THIN FILM		Rectangular	TR	0805	2	SMT	WRAPAROUND			-55 Cel	5	Gold (Au) - with Nickel (Ni) barrier		.381 mm	100 V	FLAME PROOF, PRECISION	2.032 mm	e4			1.27 mm
RC0402DR-074K99L	Yageo	FIXED RESISTOR	SURFACE MOUNT	4990 ohm	.0625 W	155 Cel	.5 %		70 Cel	METAL GLAZE/THICK FILM		Rectangular	TR, PAPER, 7 INCH	0402	2	SMT	WRAPAROUND			-55 Cel	100	Matte Tin (Sn) - with Nickel (Ni) barrier		.35 mm	50 V	LASER TRIMMABLE	1 mm	e3			.5 mm
RC0402FR-134K99L	Yageo	FIXED RESISTOR	SURFACE MOUNT	4990 ohm	.0625 W	155 Cel	1 %		70 Cel	METAL GLAZE/THICK FILM		Rectangular	TR, PAPER, 13 INCH	0402	2	SMT	WRAPAROUND			-55 Cel	100	Matte Tin (Sn) - with Nickel (Ni) barrier		.35 mm	50 V	LASER TRIMMABLE	1 mm	e3			.5 mm
RC0603FR-074K99P	Yageo	FIXED RESISTOR	SURFACE MOUNT	4990 ohm	.1 W	155 Cel	1 %		70 Cel	METAL GLAZE/THICK FILM		Rectangular	TR, PAPER, 7 INCH	0603	2	SMT	WRAPAROUND			-55 Cel	100	MATTE TIN OVER NICKEL		.45 mm	75 V	LASER TRIMMABLE	1.6 mm	e3			.8 mm
RK73H1JLTD4991F	Koa Speer Electronics	FIXED RESISTOR	SURFACE MOUNT	4990 ohm	.1 W	155 Cel	1 %		70 Cel	METAL GLAZE/THICK FILM	RECTANGULAR PACKAGE	Rectangular	TR, PUNCHED PAPER, 7 INCH	0603	2	SMT	WRAPAROUND			-55 Cel	100	Tin/Lead (Sn90Pb10) - with Nickel (Ni) barrier		.45 mm	75 V	PRECISION	1.6 mm	e0		AEC-Q200	.8 mm
RLR07C4991FSB14	Vishay Intertechnology	FIXED RESISTOR	THROUGH HOLE MOUNT	4990 ohm	.25 W	150 Cel	1 %	.64 mm	70 Cel	METAL FILM		Tubular	BULK		2	Axial	WIRE			-65 Cel	100	Tin/Lead (Sn/Pb)	38.1 mm		250 V		6.35 mm	e0	2.29 mm	MIL-PRF-39017
RN731JTTD4991B25	Koa Speer Electronics	FIXED RESISTOR	SURFACE MOUNT	4990 ohm	.063 W	155 Cel	.1 %		70 Cel	THIN FILM		Rectangular	TR, PUNCHED PAPER, 7 INCH	0603	2	SMT	WRAPAROUND			-55 Cel	25	MATTE TIN OVER NICKEL		.45 mm	75 V		1.6 mm	e3			.8 mm
RNC50H4991FSB14	Vishay Intertechnology	FIXED RESISTOR	THROUGH HOLE MOUNT	4990 ohm	.05 W	175 Cel	1 %	.41 mm	125 Cel	METAL FILM		Tubular	BULK		2	Axial	WIRE			-65 Cel	50	Tin/Lead (Sn/Pb)	31.75 mm		200 V	PRECISION	3.81 mm	e0	1.78 mm	MIL-PRF-55182

Fixed Resistors

Fixed resistors are passive electronic components that are used to resist the flow of electric current in a circuit. They have a fixed value of resistance, meaning their resistance cannot be adjusted once they are manufactured. They are commonly used to set the bias of transistors, control the gain of amplifiers, or limit the current flowing through an LED. Fixed resistors come in various sizes, power ratings, and tolerances.

There are two types of fixed resistors: through-hole and surface mount. Through-hole resistors have leads that are inserted into holes on the printed circuit board (PCB), while surface mount resistors have terminals that are soldered directly to the surface of the PCB. Through-hole resistors are larger and easier to work with, but surface mount resistors are smaller and more suitable for miniaturized electronic devices.

Fixed resistors can be made from a variety of materials, including carbon, metal, and wire-wound. Carbon resistors are inexpensive and widely used, but they have a lower tolerance and are more susceptible to noise than other types. Metal film resistors have a higher tolerance and better stability, making them ideal for use in precision circuits. Wire-wound resistors have a higher power rating and are used in high power applications, such as power supplies and amplifiers.