121 ohm Fixed Resistors 65

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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	Minimum Operating Temperature	Temperature Coef (ppm/Cel)	Terminal Finish	Height (Package)	Manufacturer Series	Operating Voltage	Additional Features	Length (Package)	JESD-609 Code	Series	Diameter (Package)	Reference Standard	Width (Package)
CR0805-FX-1210ELF	Bourns	FIXED RESISTOR	SURFACE MOUNT	121 ohm	.125 W	155 Cel	1 %		70 Cel	METAL GLAZE/THICK FILM		Rectangular	TR, Paper, 7 Inch	0805	2	SMT	WRAPAROUND		-55 Cel	100	MATTE TIN OVER NICKEL	.5 mm		150 V		2 mm	e3				1.25 mm
RC2512FK-07121RL	Yageo	FIXED RESISTOR	SURFACE MOUNT	121 ohm	1 W	155 Cel	1 %		70 Cel	METAL GLAZE/THICK FILM		Rectangular	TR, EMBOSSED PLASTIC, 7 INCH	2512	2	SMT	WRAPAROUND		-55 Cel	100	Matte Tin (Sn) - with Nickel (Ni) barrier	.55 mm		200 V	LASER TRIMMABLE	6.35 mm	e3				3.1 mm
RC0201FR-07121RL	Yageo	FIXED RESISTOR	SURFACE MOUNT	121 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
SFR01MZPF1210	ROHM	FIXED RESISTOR	SURFACE MOUNT	121 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
CRCW0402121RFKEDC	Vishay Intertechnology	FIXED RESISTOR	SURFACE MOUNT	121 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	.3 mm		50 V	RATED AC COLTAGE(V): 50	1 mm	e3				.5 mm
232273461211	Yageo	FIXED RESISTOR	SURFACE MOUNT	121 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	Matte Tin (Sn) - with Nickel (Ni) barrier	.5 mm	RC0805	150 V	LASER TRIMMABLE	2 mm	e3	2322734X			1.25 mm
AC0402FR-07121RL	Yageo	FIXED RESISTOR	SURFACE MOUNT	121 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 (Sn) - with Nickel (Ni) barrier	.32 mm		50 V	LASER TRIMMABLE	1 mm	e3			AEC-Q200	.5 mm
CRCW0201121RFNED	Vishay Intertechnology	FIXED RESISTOR	SURFACE MOUNT	121 ohm	.05 W	155 Cel	1 %		70 Cel	METAL GLAZE/THICK FILM		Rectangular	TR, PAPER, 7 INCH	0201	2	SMT	WRAPAROUND		-55 Cel	200	MATTE TIN OVER NICKEL	.23 mm		30 V	RATED AC VOLTAGE: 30V	.6 mm	e3				.3 mm
CRCW0402121RFKTD	Vishay Intertechnology	FIXED RESISTOR	SURFACE MOUNT	121 ohm	.063 W	155 Cel	1 %		70 Cel	METAL GLAZE/THICK FILM		Rectangular	TR, PAPER, 7 INCH	0402	2	SMT	WRAPAROUND		-55 Cel	100	Tin/Lead (Sn/Pb) - with Nickel (Ni) barrier	.35 mm		50 V	LASER TRIMMABLE, RATED AC VOLTAGE (V) : 50	1 mm	e0			AEC-Q200	.5 mm
CRCW0805121RFKEB	Vishay Intertechnology	FIXED RESISTOR	SURFACE MOUNT	121 ohm	.125 W	155 Cel	1 %		70 Cel	METAL GLAZE/THICK FILM		Rectangular	TR, PAPER, 11.25 INCH	0805	2	SMT	WRAPAROUND		-55 Cel	100	MATTE TIN OVER NICKEL	.45 mm		150 V	LASER TRIMMABLE, RATED AC VOLTAGE (V): 150	2 mm	e3			AEC-Q200	1.25 mm
CRCW12101210FRT1	Vishay Intertechnology	FIXED RESISTOR	SURFACE MOUNT	121 ohm	.33 W	155 Cel	1 %		70 Cel	METAL GLAZE/THICK FILM	RECTANGULAR PACKAGE	RECTANGULAR PACKAGE	TR, PAPER, 7 INCH	1210	2	SMT	WRAPAROUND		-55 Cel	100	Tin/Lead (Sn/Pb) - with Nickel (Ni) barrier	.55 mm		200 V		3.2 mm	e0				2.5 mm
M55342K06B121DRS6	Vishay Intertechnology	FIXED RESISTOR	SURFACE MOUNT	121 ohm	.15 W	150 Cel	1 %		70 Cel	METAL GLAZE/THICK FILM		Rectangular	TR, 7 INCH	0705	2	SMT	WRAPAROUND		-65 Cel	100	TIN LEAD OVER NICKEL	.51 mm		50 V	ANTI-SULFUR	2.03 mm				MIL-PRF-55342	1.27 mm
MFR-25FRF52-121R	Yageo	FIXED RESISTOR	THROUGH HOLE MOUNT	121 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
RK73H1JLTD1210F	Koa Speer Electronics	FIXED RESISTOR	SURFACE MOUNT	121 ohm	.125 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
RK73H1JTTD1210F	Koa Speer Electronics	FIXED RESISTOR	SURFACE MOUNT	121 ohm	.125 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	MATTE TIN OVER NICKEL	.45 mm		75 V	PRECISION	1.6 mm	e3			AEC-Q200	.8 mm
RMCF1206FT121R	Stackpole Electronics	FIXED RESISTOR	SURFACE MOUNT	121 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	MATTE TIN OVER NICKEL	.55 mm		200 V		3.2 mm	e3			AEC-Q200	1.6 mm
RNMF12FTC121R	Stackpole Electronics	FIXED RESISTOR	THROUGH HOLE MOUNT	121 ohm	.5 W	155 Cel	1 %	.56 mm	70 Cel	METAL FILM	TUBULAR PACKAGE	Tubular	TR, 12 INCH		2	Axial	WIRE		-55 Cel	50	MATTE TIN			350 V	FLAME PROOF, PRECISION	6.35 mm	e3		2.35 mm

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.