221 ohm Fixed Resistors 50

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Part RoHS Manufacturer Resistor Type Mounting Type Resistance Rated Power Dissipation (P) Maximum Operating Temperature Tolerance Diameter (Lead) Spacing (Lead) Rated Temperature No. of Functions Technology Shape (Package) No. of Elements Construction Packing Method Size Code Network Type No. of Terminals Package Style (Meter) Terminal Shape Sub-Category Dimensions First Element Resistance Minimum Operating Temperature Temperature Coef (ppm/Cel) Terminal Finish Length (Lead) Height (Package) Manufacturer Series Operating Voltage Additional Features Length (Package) JESD-609 Code Series Diameter (Package) Reference Standard Width (Package)

RP73PF1J221RBTDF

TE Connectivity

FIXED RESISTOR

SURFACE MOUNT

221 ohm

.166 W

155 Cel

.1 %

70 Cel

THIN FILM

RECTANGULAR PACKAGE

Rectangular

TR

0603

2

SMT

WRAPAROUND

1.55mm x .8mm x .45mm

-55 Cel

25

MATTE TIN OVER NICKEL

.45 mm

100 V

PRECISION

1.55 mm

e3

.8 mm

MFR-25FBF52-221R

Yageo

FIXED RESISTOR

THROUGH HOLE MOUNT

221 ohm

.25 W

155 Cel

1 %

.55 mm

70 Cel

METAL FILM

TUBULAR PACKAGE

Tubular

Bulk

2

Axial

WIRE

Fixed Resistors

-55 Cel

100

Matte Tin (Sn)

28 mm

250 V

6.3 mm

e3

2.4 mm

AEC-Q200

M55342K12B221DRS2

Vishay Intertechnology

FIXED RESISTOR

SURFACE MOUNT

221 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

M55342K12B221DPST

Vishay Intertechnology

FIXED RESISTOR

SURFACE MOUNT

221 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

M55342K12B221DRS3

Vishay Intertechnology

FIXED RESISTOR

SURFACE MOUNT

221 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

M55342K12B221DRS6

Vishay Intertechnology

FIXED RESISTOR

SURFACE MOUNT

221 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

M55342K12B221DRTP

Vishay Intertechnology

FIXED RESISTOR

SURFACE MOUNT

221 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

M55342K12B221DRWB

Vishay Intertechnology

FIXED RESISTOR

SURFACE MOUNT

221 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

M55342K12B221DRWL

Vishay Intertechnology

FIXED RESISTOR

SURFACE MOUNT

221 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

M55342K12B221DSS2

Vishay Intertechnology

FIXED RESISTOR

SURFACE MOUNT

221 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

M55342K12B221DSS3

Vishay Intertechnology

FIXED RESISTOR

SURFACE MOUNT

221 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

M55342K12B221DSS6

Vishay Intertechnology

FIXED RESISTOR

SURFACE MOUNT

221 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

M55342K12B221DSWB

Vishay Intertechnology

FIXED RESISTOR

SURFACE MOUNT

221 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

M55342K12B221DSWL

Vishay Intertechnology

FIXED RESISTOR

SURFACE MOUNT

221 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

AC0603FR-07221RL

Yageo

FIXED RESISTOR

SURFACE MOUNT

221 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

3-1879216-9

TE Connectivity

FIXED RESISTOR

SURFACE MOUNT

221 ohm

.063 W

.1 %

THIN FILM

RECTANGULAR PACKAGE

TR

0402

2

WRAPAROUND

1mm x .5mm x .3mm

50

25 V

PRECISION

M55342K12B221DPUL

Vishay Intertechnology

FIXED RESISTOR

SURFACE MOUNT

221 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

M55342K12B221DR

Vishay Intertechnology

FIXED RESISTOR

SURFACE MOUNT

221 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

M55342K12B221DRT1V

Vishay Intertechnology

FIXED RESISTOR

SURFACE MOUNT

221 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

1.6256 mm

e0

MIL-PRF-55342

.8128 mm

M55342K12B221DRUL

Vishay Intertechnology

FIXED RESISTOR

SURFACE MOUNT

221 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

M55342K12B221DS

Tt Electronics Plc

FIXED RESISTOR

SURFACE MOUNT

221 ohm

.1 W

150 Cel

1 %

70 Cel

THIN FILM

Rectangular

TR, PLASTIC

0603

2

SMT

WRAPAROUND

100

Tin/Lead (Sn/Pb) - with Nickel (Ni) barrier

.508 mm

50 V

PRECISION

1.6002 mm

e0

MIL-PRF-55342

.7874 mm

M55342K12B221DT

Tt Electronics Plc

FIXED RESISTOR

SURFACE MOUNT

221 ohm

.1 W

150 Cel

1 %

70 Cel

THIN FILM

Rectangular

TR, PLASTIC

0603

2

SMT

WRAPAROUND

100

Tin/Lead (Sn/Pb) - with Nickel (Ni) barrier

.508 mm

50 V

PRECISION

1.6002 mm

e0

MIL-PRF-55342

.7874 mm

M55342K12B221DTWAT

Vishay Intertechnology

FIXED RESISTOR

SURFACE MOUNT

221 ohm

.1 W

150 Cel

1 %

70 Cel

METAL GLAZE/THICK FILM

Rectangular

WAFFLE TRAY

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

MBB0207VC2210FC100

Vishay Intertechnology

FIXED RESISTOR

THROUGH HOLE MOUNT

221 ohm

.4 W

125 Cel

1 %

.6 mm

70 Cel

METAL FILM

Tubular

AMMO PACK

2

Axial

WIRE

-55 Cel

50

TIN

28 mm

350 V

RATED AC VOLTAGE (V) : 350, REFERENCE STANDARD: CECC40101-806

6.5 mm

e3

2.5 mm

AEC-Q200

ERJ6ENF2210V

Panasonic

FIXED RESISTOR

SURFACE MOUNT

221 ohm

.125 W

155 Cel

1 %

70 Cel

METAL GLAZE/THICK FILM

RECTANGULAR PACKAGE

Rectangular

TR, PUNCHED, 7 INCH

0805

2

SMT

WRAPAROUND

-55 Cel

100

MATTE TIN OVER NICKEL

.6 mm

150 V

PRECISION, STANDARD: IEC60115-8

2 mm

e3

AEC-Q200

1.25 mm

MCR10EZPF2210

ROHM

FIXED RESISTOR

SURFACE MOUNT

221 ohm

.125 W

155 Cel

1 %

70 Cel

METAL GLAZE/THICK FILM

RECTANGULAR PACKAGE

Rectangular

TR, Paper, 7 Inch

0805

2

SMT

WRAPAROUND

-55 Cel

100

TIN OVER NICKEL

.55 mm

150 V

2 mm

e3

1.25 mm

CRCW0402221RFKED

Vishay Intertechnology

FIXED RESISTOR

SURFACE MOUNT

221 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

.35 mm

50 V

LASER TRIMMABLE, RATED AC VOLTAGE (V): 50

1 mm

e3

AEC-Q200

.5 mm

CRCW0805221RFKEAC

Vishay Intertechnology

FIXED RESISTOR

SURFACE MOUNT

221 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

RATED AC COLTAGE(V): 150

2 mm

e3

1.25 mm

CRCW0805221RFKEAHP

Vishay Intertechnology

FIXED RESISTOR

SURFACE MOUNT

221 ohm

.5 W

155 Cel

1 %

70 Cel

METAL GLAZE/THICK FILM

RECTANGULAR PACKAGE

Rectangular

TR, PAPER, 7 INCH

0805

2

SMT

WRAPAROUND

-55 Cel

100

TIN OVER NICKEL

.5 mm

150 V

RATED AC VOLTAGE: 150V

2 mm

e3

AEC-Q200

1.25 mm

ERJP06F2210V

Panasonic

FIXED RESISTOR

SURFACE MOUNT

221 ohm

.5 W

155 Cel

1 %

70 Cel

METAL GLAZE/THICK FILM

RECTANGULAR PACKAGE

Rectangular

TR, PUNCHED, 7 INCH

0805

2

SMT

WRAPAROUND

-55 Cel

100

MATTE TIN OVER NICKEL

.6 mm

400 V

HIGH PRECISION, IEC60115-8

2 mm

e3

AEC-Q200

1.25 mm

CR0603-FX-2210ELF

Bourns

FIXED RESISTOR

SURFACE MOUNT

221 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

75 V

1.6 mm

e3

.8 mm

CRCW0402221RFKEDC

Vishay Intertechnology

FIXED RESISTOR

SURFACE MOUNT

221 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

CRCW0402221RFKEDHP

Vishay Intertechnology

FIXED RESISTOR

SURFACE MOUNT

221 ohm

.2 W

155 Cel

1 %

70 Cel

METAL GLAZE/THICK FILM

RECTANGULAR PACKAGE

Rectangular

TR, PAPER, 7 INCH

0402

2

SMT

WRAPAROUND

-55 Cel

100

MATTE TIN OVER NICKEL

.3 mm

50 V

RATED AC VOLTAGE: 50V

1 mm

e3

AEC-Q200

.5 mm

CRCW0603221RFKEA

Vishay Intertechnology

FIXED RESISTOR

SURFACE MOUNT

221 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, RATED AC VOLTAGE (V): 75

1.55 mm

e3

AEC-Q200

.85 mm

MMU01020C2210FB300

Vishay Intertechnology

FIXED RESISTOR

SURFACE MOUNT

221 ohm

.3 W

155 Cel

1 %

70 Cel

THIN FILM

Cylindrical

TR, BLISTER, 7 INCH

0904

2

SMT

WRAPAROUND

-55 Cel

50

TIN OVER NICKEL

150 V

ANTI-SULFUR; LASER TRIMMABLE; RATED AC VOLTAGE (V): 150; STANDARD: CECC40401-803

2.2 mm

e3

1.1 mm

AEC-Q200

RVC0805FT221R

Stackpole Electronics

FIXED RESISTOR

SURFACE MOUNT

221 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 OVER NICKEL

.5 mm

400 V

2 mm

e3

1.25 mm

ERJ2RKF2210X

Panasonic

FIXED RESISTOR

SURFACE MOUNT

221 ohm

.1 W

155 Cel

1 %

70 Cel

METAL GLAZE/THICK FILM

RECTANGULAR PACKAGE

Rectangular

TR, PUNCHED, 7 INCH

0402

2

SMT

WRAPAROUND

-55 Cel

100

MATTE TIN OVER NICKEL

.35 mm

50 V

PRECISION, STANDARD: IEC60115-8

1 mm

e3

AEC-Q200

.5 mm

CRCW1206221RFKEA

Vishay Intertechnology

FIXED RESISTOR

SURFACE MOUNT

221 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 OVER NICKEL

.55 mm

200 V

LASER TRIMMABLE, RATED AC VOLTAGE (V): 200

3.2 mm

e3

AEC-Q200

1.6 mm

RC1206FR-07221RL

Yageo

FIXED RESISTOR

SURFACE MOUNT

221 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

1.6 mm

RN65D2210FB14

Vishay Intertechnology

FIXED RESISTOR

THROUGH HOLE MOUNT

221 ohm

.4 W

175 Cel

1 %

.64 mm

70 Cel

METAL FILM

Tubular

BULK

2

Axial

WIRE

-65 Cel

100

Tin/Lead (Sn/Pb)

38.1 mm

350 V

FLAME-PROOF

14.27 mm

e0

4.57 mm

MIL-R-10509

ERA6AEB2210V

Panasonic

FIXED RESISTOR

SURFACE MOUNT

221 ohm

.125 W

155 Cel

.1 %

85 Cel

THIN FILM

RECTANGULAR PACKAGE

Rectangular

TR, PUNCHED, 7 INCH

0805

2

SMT

WRAPAROUND

-55 Cel

25

MATTE TIN OVER NICKEL

.5 mm

100 V

IEC60115-8

2 mm

e3

AEC-Q200

1.25 mm

CR0402-FX-2210GLF

Bourns

FIXED RESISTOR

SURFACE MOUNT

221 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

RC0603FR-07221RL

Yageo

FIXED RESISTOR

SURFACE MOUNT

221 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

.8 mm

MF0207FTE52-221R

Yageo

FIXED RESISTOR

THROUGH HOLE MOUNT

221 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

RC1210FR-07221RL

Yageo

FIXED RESISTOR

SURFACE MOUNT

221 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 (Sn) - with Nickel (Ni) barrier

.55 mm

200 V

LASER TRIMMABLE

3.1 mm

e3

2.6 mm

AC1206FR-07221RL

Yageo

FIXED RESISTOR

SURFACE MOUNT

221 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

CRCW0603221RFKEAC

Vishay Intertechnology

FIXED RESISTOR

SURFACE MOUNT

221 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

RATED AC COLTAGE(V): 75

1.6 mm

e3

.8 mm

CRCW0805221RFKEA

Vishay Intertechnology

FIXED RESISTOR

SURFACE MOUNT

221 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

.45 mm

150 V

LASER TRIMMABLE, RATED AC VOLTAGE (V): 150

2 mm

e3

AEC-Q200

1.25 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.