Fixed Resistors

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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)

RC1206JR-071ML

Yageo

FIXED RESISTOR

SURFACE MOUNT

1000000 ohm

.25 W

155 Cel

5 %

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

TNPW040210K0BEED

Vishay Intertechnology

FIXED RESISTOR

SURFACE MOUNT

10000 ohm

.063 W

125 Cel

.1 %

70 Cel

THIN FILM

RECTANGULAR PACKAGE

Rectangular

TR, PAPER, 7 INCH

0402

2

SMT

WRAPAROUND

-55 Cel

25

MATTE TIN OVER NICKEL

.35 mm

50 V

ANTI-SULFUR; LASER TRIMMABLE; PRECISION; RATED AC VOLTAGE (V): 50

1 mm

e3

AEC-Q200

.5 mm

CRCW06031R00FKEA

Vishay Intertechnology

FIXED RESISTOR

SURFACE MOUNT

1 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

RC0402JR-074K7L

Yageo

FIXED RESISTOR

SURFACE MOUNT

4700 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

CRCW06036K80FKEAHP

Vishay Intertechnology

FIXED RESISTOR

SURFACE MOUNT

6800 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

RC0402FR-0756KL

Yageo

FIXED RESISTOR

SURFACE MOUNT

56000 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

ERJXGN0R00Y

Panasonic

JUMPER

SURFACE MOUNT

0 ohm

.031 W

125 Cel

70 Cel

METAL GLAZE/THICK FILM

Rectangular

TR, PRESSED, 7 INCH

01005

2

SMT

WRAPAROUND

-55 Cel

MATTE TIN OVER NICKEL

.13 mm

RATED CURRENT: 0.5A

.4 mm

e3

IEC60115-8

.2 mm

CRCW04024K75FKEDHP

Vishay Intertechnology

FIXED RESISTOR

SURFACE MOUNT

4750 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

CRCW08051K50FKEA

Vishay Intertechnology

FIXED RESISTOR

SURFACE MOUNT

1500 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

PCF0805R-1K2BT1

Tt Electronics Plc

FIXED RESISTOR

SURFACE MOUNT

1200 ohm

.1 W

125 Cel

.1 %

70 Cel

THIN FILM

Rectangular

TR, Paper

0805

2

SMT

WRAPAROUND

-55 Cel

25

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

.65 mm

100 V

PRECISION

2 mm

e3

1.25 mm

ERJ3EKF49R9V

Panasonic

FIXED RESISTOR

SURFACE MOUNT

49.9 ohm

.1 W

155 Cel

1 %

70 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

75 V

PRECISION, STANDARD: IEC60115-8

1.6 mm

e3

AEC-Q200

.8 mm

PNM0603E5001BST5

Vishay Intertechnology

FIXED RESISTOR

SURFACE MOUNT

5000 ohm

.15 W

150 Cel

.1 %

70 Cel

THIN FILM

RECTANGULAR PACKAGE

TR

0603

2

WRAPAROUND

-55 Cel

25

Tin/Silver/Copper (Sn/Ag/Cu)

75 V

LASER TRIMMABLE, PRECISION, NON-INDUCTIVE

e1

ERJ3EKF3300V

Panasonic

FIXED RESISTOR

SURFACE MOUNT

330 ohm

.1 W

155 Cel

1 %

70 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

75 V

PRECISION, STANDARD: IEC60115-8

1.6 mm

e3

AEC-Q200

.8 mm

CRCW060315K0FKEAC

Vishay Intertechnology

FIXED RESISTOR

SURFACE MOUNT

15000 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

RC0603FR-071K3L

Yageo

FIXED RESISTOR

SURFACE MOUNT

1300 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

ERJ2RKF33R0X

Panasonic

FIXED RESISTOR

SURFACE MOUNT

33 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

ERJ6ENF1003V

Panasonic

FIXED RESISTOR

SURFACE MOUNT

100000 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

CR0603-FX-1001ELF

Bourns

FIXED RESISTOR

SURFACE MOUNT

1000 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

CRCW25121K00FKEG

Vishay Intertechnology

FIXED RESISTOR

SURFACE MOUNT

1000 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

ERJ6GEYJ103V

Panasonic

FIXED RESISTOR

SURFACE MOUNT

10000 ohm

.125 W

155 Cel

5 %

70 Cel

METAL GLAZE/THICK FILM

RECTANGULAR PACKAGE

Rectangular

TR, PUNCHED, 7 INCH

0805

2

SMT

WRAPAROUND

-55 Cel

200

MATTE TIN OVER NICKEL

.6 mm

150 V

IEC60115-8

2 mm

e3

AEC-Q200

1.25 mm

CRCW0603120RFKEA

Vishay Intertechnology

FIXED RESISTOR

SURFACE MOUNT

120 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

ERJ2RKF2003X

Panasonic

FIXED RESISTOR

SURFACE MOUNT

200000 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

RC0603FR-071RL

Yageo

FIXED RESISTOR

SURFACE MOUNT

1 ohm

.1 W

155 Cel

1 %

70 Cel

METAL GLAZE/THICK FILM

Rectangular

TR, PAPER, 7 INCH

0603

2

SMT

WRAPAROUND

-55 Cel

200

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

.45 mm

75 V

LASER TRIMMABLE

1.6 mm

e3

.8 mm

CPF0402B10KE1

TE Connectivity

FIXED RESISTOR

SURFACE MOUNT

10000 ohm

.063 W

155 Cel

.1 %

70 Cel

THIN FILM

RECTANGULAR PACKAGE

Rectangular

TR

0402

2

SMT

WRAPAROUND

1mm x .5mm x .3mm

-55 Cel

25

.3 mm

25 V

PRECISION

1 mm

.5 mm

CR0603-FX-1003HLF

Bourns

FIXED RESISTOR

SURFACE MOUNT

100000 ohm

.1 W

155 Cel

1 %

70 Cel

RECTANGULAR PACKAGE

0603

2

WRAPAROUND

-55 Cel

100

Tin (Sn) - with Nickel (Ni) barrier

50 V

e3

MCS04020C1004FE000

Vishay Intertechnology

FIXED RESISTOR

SURFACE MOUNT

1000000 ohm

.063 W

125 Cel

1 %

70 Cel

THIN FILM

RECTANGULAR PACKAGE

Rectangular

TR, PAPER, 7 INCH

0402

2

SMT

WRAPAROUND

FIXED RESISTOR

-55 Cel

50

MATTE TIN OVER NICKEL

.32 mm

50 V

ANTI-SULFUR, LASER TRIMMABLE, RATED AC VOLTAGE (V): 50

1 mm

e3

CECC40401-801

.5 mm

RN73C1E10KBTDF

TE Connectivity

FIXED RESISTOR

SURFACE MOUNT

10000 ohm

.063 W

155 Cel

.1 %

70 Cel

THIN FILM

RECTANGULAR PACKAGE

RECTANGULAR PACKAGE

TR

0402

2

SMT

WRAPAROUND

1mm x .5mm x .3mm

-55 Cel

10

MATTE TIN OVER NICKEL

.3 mm

25 V

PRECISION

1 mm

e3

.5 mm

CRCW06030000Z0EE

Vishay Intertechnology

JUMPER

SURFACE MOUNT

0 ohm

.1 W

155 Cel

70 Cel

METAL GLAZE/THICK FILM

Rectangular

TR, PAPER, 13 INCH

0603

2

SMT

WRAPAROUND

-55 Cel

MATTE TIN OVER NICKEL

.45 mm

LASER TRIMMABLE, RATED CURRENT: 2A

1.55 mm

e3

AEC-Q200

.85 mm

CRCW06031R00FKEAC

Vishay Intertechnology

FIXED RESISTOR

SURFACE MOUNT

1 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

CRCW04020000Z0EE

Vishay Intertechnology

JUMPER

SURFACE MOUNT

0 ohm

.063 W

155 Cel

70 Cel

METAL GLAZE/THICK FILM

Rectangular

TR, PAPER, 13 INCH

0402

2

SMT

WRAPAROUND

-55 Cel

MATTE TIN OVER NICKEL

.35 mm

LASER TRIMMABLE, RATED CURRENT: 1.5A

1 mm

e3

AEC-Q200

.5 mm

CRCW1206100KFKEA

Vishay Intertechnology

FIXED RESISTOR

SURFACE MOUNT

100000 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

CRCW1206120RFKEAHP

Vishay Intertechnology

FIXED RESISTOR

SURFACE MOUNT

120 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

RC0603FR-07150RL

Yageo

FIXED RESISTOR

SURFACE MOUNT

150 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

WSL2512R0100FEA

Vishay Intertechnology

FIXED RESISTOR

SURFACE MOUNT

.01 ohm

1 W

170 Cel

1 %

70 Cel

METAL STRIP

RECTANGULAR PACKAGE

Rectangular

TR, EMBOSSED PLASTIC, 7 INCH

2512

2

SMT

WRAPAROUND

-65 Cel

75

MATTE TIN OVER NICKEL

.635 mm

.1 V

ANTI-SULFUR

6.35 mm

e3

AEC-Q200

3.18 mm

CRCW12062K20FKEAHP

Vishay Intertechnology

FIXED RESISTOR

SURFACE MOUNT

2200 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

RC0805FR-071K5L

Yageo

FIXED RESISTOR

SURFACE MOUNT

1500 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

CRCW040215K0FKEDC

Vishay Intertechnology

FIXED RESISTOR

SURFACE MOUNT

15000 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

MATTE TIN OVER NICKEL

.3 mm

50 V

RATED AC COLTAGE(V): 50

1 mm

e3

.5 mm

CRCW0603220RFKEA

Vishay Intertechnology

FIXED RESISTOR

SURFACE MOUNT

220 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

RC0603FR-072M2L

Yageo

FIXED RESISTOR

SURFACE MOUNT

2200000 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

RMCF0603FT232R

Stackpole Electronics

FIXED RESISTOR

SURFACE MOUNT

232 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

RC0805FR-073K3L

Yageo

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 (Sn) - with Nickel (Ni) barrier

.5 mm

150 V

LASER TRIMMABLE

2 mm

e3

1.25 mm

CRCW060322K0FKEAHP

Vishay Intertechnology

FIXED RESISTOR

SURFACE MOUNT

22000 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

RC1206JR-130RL

Yageo

JUMPER

SURFACE MOUNT

0 ohm

.25 W

155 Cel

70 Cel

METAL GLAZE/THICK FILM

Rectangular

TR, PAPER, 13 INCH

1206

2

SMT

WRAPAROUND

-55 Cel

MATTE TIN OVER NICKEL

.55 mm

LASER TRIMMABLE, RATED CURRENT: 2A

3.1 mm

e3

1.6 mm

CRG1206F100K

TE Connectivity

FIXED RESISTOR

SURFACE MOUNT

100000 ohm

.25 W

155 Cel

1 %

70 Cel

THICK FILM

RECTANGULAR PACKAGE

Rectangular

TR

1206

2

SMT

WRAPAROUND

3.1mm x 1.55mm x .55mm

-55 Cel

100

MATTE TIN OVER NICKEL

.55 mm

200 V

LASER TRIMMABLE

3.1 mm

e3

1.55 mm

RC0402FR-07560RL

Yageo

FIXED RESISTOR

SURFACE MOUNT

560 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

RC0603FR-13100KL

Yageo

FIXED RESISTOR

SURFACE MOUNT

100000 ohm

.1 W

155 Cel

1 %

70 Cel

METAL GLAZE/THICK FILM

RECTANGULAR PACKAGE

Rectangular

TR, PAPER, 13 INCH

0603

2

SMT

WRAPAROUND

-55 Cel

100

MATTE TIN OVER NICKEL

.45 mm

75 V

LASER TRIMMABLE

1.6 mm

e3

.8 mm

CRCW06030000Z0ED

Vishay Intertechnology

JUMPER

SURFACE MOUNT

0 ohm

.1 W

155 Cel

70 Cel

METAL GLAZE/THICK FILM

Rectangular

TR, PAPER, 7 INCH

0603

2

SMT

WRAPAROUND

-55 Cel

MATTE TIN OVER NICKEL

.45 mm

LASER TRIMMABLE, RATED CURRENT: 2A

1.55 mm

e3

AEC-Q200

.85 mm

RC0603FR-071K2L

Yageo

FIXED RESISTOR

SURFACE MOUNT

1200 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

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.