1 % Fixed Resistors 2,400+

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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)

WR04X10R0FTL

Walsin Technology

FIXED RESISTOR

SURFACE MOUNT

10 ohm

.0625 W

155 Cel

1 %

70 Cel

METAL GLAZE/THICK FILM

Rectangular

TR, PAPER, 7 INCH

0402

2

SMT

WRAPAROUND

-55 Cel

-200,400

Matte Tin (Sn) - with Nickel (Ni) barrier

.35 mm

50 V

LASER TRIMMABLE; RATED AC VOLTAGE (V): 50

1 mm

e3

.5 mm

WR06X1002FTLJ

Walsin Technology

FIXED RESISTOR

SURFACE MOUNT

10000 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

Matte Tin (Sn) - with Nickel (Ni) barrier

.45 mm

75 V

LASER TRIMMABLE; RATED AC VOLTAGE (V): 75

1.6 mm

e3

AEC-Q200

.8 mm

WSL2010R2000FEA18

Vishay Intertechnology

FIXED RESISTOR

SURFACE MOUNT

.2 ohm

1 W

170 Cel

1 %

70 Cel

METAL STRIP

Rectangular

TR, EMBOSSED PLASTIC, 7 INCH

2010

2

SMT

WRAPAROUND

-65 Cel

75

Matte Tin (Sn) - with Nickel (Ni) barrier

.635 mm

.4472 V

ANTI-SULFUR

5.08 mm

e3

AEC-Q200

2.54 mm

CRCW0603100KFKEBC

Vishay Intertechnology

FIXED RESISTOR

SURFACE MOUNT

100000 ohm

.1 W

155 Cel

1 %

70 Cel

METAL GLAZE/THICK FILM

Rectangular

TR, PAPER, 10 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

CRCW0603270RFKEAHP

Vishay Intertechnology

FIXED RESISTOR

SURFACE MOUNT

270 ohm

.33 W

155 Cel

1 %

70 Cel

METAL GLAZE/THICK FILM

RECTANGULAR PACKAGE

Rectangular

TR, PAPER, 7 INCH

0603

2

SMT

WRAPAROUND

-55 Cel

100

MATTE TIN OVER NICKEL

.45 mm

75 V

RATED AC VOLTAGE: 75V

1.6 mm

e3

AEC-Q200

.85 mm

RC1206FR-0722RL

Yageo

FIXED RESISTOR

SURFACE MOUNT

22 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

CRCW04028K20FKEDC

Vishay Intertechnology

FIXED RESISTOR

SURFACE MOUNT

8200 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

CRCW0603270RFKEA

Vishay Intertechnology

FIXED RESISTOR

SURFACE MOUNT

270 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

CRCW251210K0FKEG

Vishay Intertechnology

FIXED RESISTOR

SURFACE MOUNT

10000 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

ERJ1GNF1003C

Panasonic

FIXED RESISTOR

SURFACE MOUNT

100000 ohm

.05 W

125 Cel

1 %

70 Cel

METAL GLAZE/THICK FILM

RECTANGULAR PACKAGE

Rectangular

TR, PRESSED, 7 INCH

0201

2

SMT

WRAPAROUND

-55 Cel

200

MATTE TIN OVER NICKEL

.23 mm

25 V

PRECISION

.6 mm

e3

IEC60115-8

.3 mm

MCMR04X4701FTL

Multicomp Pro

FIXED RESISTOR

SURFACE MOUNT

4700 ohm

.0625 W

155 Cel

1 %

70 Cel

RECTANGULAR PACKAGE

TR, PAPER, 7 INCH

0402

2

WRAPAROUND

-55 Cel

100

TIN

50 V

LASER TRIMMABLE, RATED AC VOLTAGE (V): 50

e3

AEC-Q200

MCT0603MC1002FP500

Vishay Intertechnology

FIXED RESISTOR

SURFACE MOUNT

10000 ohm

.21 W

175 Cel

1 %

70 Cel

THIN FILM

RECTANGULAR PACKAGE

Rectangular

TR, Paper, 7 Inch

0603

2

SMT

WRAPAROUND

Fixed Resistors

-55 Cel

50

MATTE TIN OVER NICKEL

.45 mm

75 V

ANTI-SULFUR, RATED AC VOLTAGE (V): 75

1.55 mm

e3

AEC-Q200; CECC40401-801

.85 mm

RC0603FR-104K7L

Yageo

FIXED RESISTOR

SURFACE MOUNT

4700 ohm

.1 W

155 Cel

1 %

70 Cel

METAL GLAZE/THICK FILM

Rectangular

TR, PAPER, 10 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

RMCF0603FT4K70

Stackpole Electronics

FIXED RESISTOR

SURFACE MOUNT

4700 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

MATTE TIN OVER NICKEL

.45 mm

75 V

1.55 mm

e3

AEC-Q200

.8 mm

RT0603FRE074K7L

Yageo

FIXED RESISTOR

SURFACE MOUNT

4700 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

CRCW08053K30FKEA

Vishay Intertechnology

FIXED RESISTOR

SURFACE MOUNT

3300 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

HS2508RF

Ohmite Manufacturing

FIXED RESISTOR

CHASSIS MOUNT

8 ohm

250 W

200 Cel

1 %

25 Cel

WIRE WOUND

RECTANGULAR PACKAGE

Aluminum Housing

2

Chassis Mount

BINDING POST

100

41.8 mm

2200 V

FREE AIR POWER: 55W

109.7 mm

72.5 mm

RC0402FR-0727KL

Yageo

FIXED RESISTOR

SURFACE MOUNT

27000 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

.35 mm

50 V

LASER TRIMMABLE

1 mm

e3

.5 mm

CRCW040210M0FKEDC

Vishay Intertechnology

FIXED RESISTOR

SURFACE MOUNT

10000000 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

CRCW04022K21FKED

Vishay Intertechnology

FIXED RESISTOR

SURFACE MOUNT

2210 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

CRCW0603240RFKEA

Vishay Intertechnology

FIXED RESISTOR

SURFACE MOUNT

240 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

CRCW060324K3FKTA

Vishay Intertechnology

FIXED RESISTOR

SURFACE MOUNT

24300 ohm

.1 W

155 Cel

1 %

70 Cel

METAL GLAZE/THICK FILM

Rectangular

TR, PAPER, 7 INCH

0603

2

SMT

WRAPAROUND

-55 Cel

100

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

.45 mm

75 V

LASER TRIMMABLE, RATED AC VOLTAGE (V): 75

1.55 mm

e0

AEC-Q200

.85 mm

CRCW0603560RFKEA

Vishay Intertechnology

FIXED RESISTOR

SURFACE MOUNT

560 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

CRCW08051K13FKEA

Vishay Intertechnology

FIXED RESISTOR

SURFACE MOUNT

1130 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

CRCW080547K0FKEAC

Vishay Intertechnology

FIXED RESISTOR

SURFACE MOUNT

47000 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

CRCW120647R0FKEAHP

Vishay Intertechnology

FIXED RESISTOR

SURFACE MOUNT

47 ohm

.75 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

.5 mm

200 V

RATED AC VOLTAGE: 200V

3.1 mm

e3

AEC-Q200

1.6 mm

CR0402-FX-4701GLF

Bourns

FIXED RESISTOR

SURFACE MOUNT

4700 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

CRG0805F100R

TE Connectivity

FIXED RESISTOR

SURFACE MOUNT

100 ohm

.125 W

155 Cel

1 %

70 Cel

THICK FILM

RECTANGULAR PACKAGE

Rectangular

TR

0805

2

SMT

WRAPAROUND

2mm x 1.25mm x .55mm

-55 Cel

200

MATTE TIN OVER NICKEL

.55 mm

150 V

LASER TRIMMABLE

2 mm

e3

1.25 mm

RC1206FR-07121RL

Yageo

FIXED RESISTOR

SURFACE MOUNT

121 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

WSL3637R0100FEA

Vishay Intertechnology

FIXED RESISTOR

SURFACE MOUNT

.01 ohm

3 W

170 Cel

1 %

70 Cel

METAL STRIP

Rectangular

TR, Embossed Plastic, 13 Inch

3637

4

SMT

WRAPAROUND

-65 Cel

50

Matte Tin (Sn) - with Nickel (Ni) barrier

.635 mm

.1732 V

9.14 mm

e3

AEC-Q200

9.4 mm

CRCW0805360RFKEAHP

Vishay Intertechnology

FIXED RESISTOR

SURFACE MOUNT

360 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

RC0603FR-07681RL

Yageo

FIXED RESISTOR

SURFACE MOUNT

681 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

RC0603FR-076.81RL

Yageo

FIXED RESISTOR

SURFACE MOUNT

6.81 ohm

.1 W

155 Cel

1 %

70 Cel

METAL GLAZE/THICK FILM

RECTANGULAR PACKAGE

TR, PAPER, 7 INCH

0603

2

WRAPAROUND

-55 Cel

200

Matte Tin (Sn) - with Nickel (Ni) barrier

50 V

LASER TRIMMABLE

e3

RC0805FR-072K7L

Yageo

FIXED RESISTOR

SURFACE MOUNT

2700 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 (Sn) - with Nickel (Ni) barrier

.5 mm

150 V

LASER TRIMMABLE

2 mm

e3

1.25 mm

3521300RFT

TE Connectivity

FIXED RESISTOR

SURFACE MOUNT

300 ohm

2 W

155 Cel

1 %

70 Cel

THICK FILM

RECTANGULAR PACKAGE

TR

2512

2

WRAPAROUND

6.35mm x 3.2mm x .55mm

-55 Cel

100

MATTE TIN OVER NICKEL

250 V

e3

CRCW060318K0FKEA

Vishay Intertechnology

FIXED RESISTOR

SURFACE MOUNT

18000 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

CRCW060375K0FKEAC

Vishay Intertechnology

FIXED RESISTOR

SURFACE MOUNT

75000 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

ERJ8ENF1200V

Panasonic

FIXED RESISTOR

SURFACE MOUNT

120 ohm

.25 W

155 Cel

1 %

70 Cel

METAL GLAZE/THICK FILM

RECTANGULAR PACKAGE

Rectangular

TR, PUNCHED, 7 INCH

1206

2

SMT

WRAPAROUND

-55 Cel

100

MATTE TIN OVER NICKEL

.6 mm

200 V

PRECISION, STANDARD: IEC60115-8

3.2 mm

e3

AEC-Q200

1.6 mm

RC0603FR-0722K1L

Yageo

FIXED RESISTOR

SURFACE MOUNT

22100 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

RC0805FR-0712KL

Yageo

FIXED RESISTOR

SURFACE MOUNT

12000 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 (Sn) - with Nickel (Ni) barrier

.5 mm

150 V

LASER TRIMMABLE

2 mm

e3

1.25 mm

232272461005

Yageo

FIXED RESISTOR

SURFACE MOUNT

1000000 ohm

.25 W

155 Cel

1 %

70 Cel

METAL GLAZE/THICK FILM

RECTANGULAR PACKAGE

Chip

TR, PAPER, 7 INCH

1206

2

SMT

WRAPAROUND

Fixed Resistors

-55 Cel

100

Matte Tin (Sn) - with Nickel (Ni) barrier

.55 mm

200 V

LASER TRIMMABLE

3.1 mm

e3

1.6 mm

CR0402-FX-2001GLF

Bourns

FIXED RESISTOR

SURFACE MOUNT

2000 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

CRCW0805120RFKEAC

Vishay Intertechnology

FIXED RESISTOR

SURFACE MOUNT

120 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

CRG0402F47K

TE Connectivity

FIXED RESISTOR

SURFACE MOUNT

47000 ohm

.063 W

155 Cel

1 %

70 Cel

THICK FILM

RECTANGULAR PACKAGE

Rectangular

TR

0402

2

SMT

WRAPAROUND

1mm x .5mm x .35mm

-55 Cel

100

MATTE TIN OVER NICKEL

.35 mm

50 V

LASER TRIMMABLE

1 mm

e3

.5 mm

ERJ6ENF49R9V

Panasonic

FIXED RESISTOR

SURFACE MOUNT

49.9 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

ERJ8ENF1003V

Panasonic

FIXED RESISTOR

SURFACE MOUNT

100000 ohm

.25 W

155 Cel

1 %

70 Cel

METAL GLAZE/THICK FILM

RECTANGULAR PACKAGE

Rectangular

TR, PUNCHED, 7 INCH

1206

2

SMT

WRAPAROUND

-55 Cel

100

MATTE TIN OVER NICKEL

.6 mm

200 V

PRECISION, STANDARD: IEC60115-8

3.2 mm

e3

AEC-Q200

1.6 mm

ERJPA3F1200V

Panasonic

FIXED RESISTOR

SURFACE MOUNT

120 ohm

.25 W

155 Cel

1 %

105 Cel

METAL GLAZE/THICK FILM

RECTANGULAR PACKAGE

Rectangular

TR, PUNCHED, 7 INCH

0603

2

SMT

WRAPAROUND

-55 Cel

100

MATTE TIN OVER NICKEL

.45 mm

150 V

HIGH PRECISION, IEC60115-8

1.6 mm

e3

AEC-Q200

.8 mm

RC0402FR-078K2L

Yageo

FIXED RESISTOR

SURFACE MOUNT

8200 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

.35 mm

50 V

LASER TRIMMABLE

1 mm

e3

.5 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.