5 % Fixed Resistors 1,709

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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)

RC1608J682CS

Samsung Electro-mechanics

FIXED RESISTOR

SURFACE MOUNT

6800 ohm

.1 W

155 Cel

5 %

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

RC2012J102CS

Samsung Electro-mechanics

FIXED RESISTOR

SURFACE MOUNT

1000 ohm

.125 W

155 Cel

5 %

70 Cel

METAL GLAZE/THICK FILM

RECTANGULAR PACKAGE

Rectangular

TR, Paper, 7 Inch

0805

2

SMT

WRAPAROUND

FIXED RESISTOR

-55 Cel

100

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

.55 mm

150 V

2 mm

e3

1.25 mm

RC2012J103CS

Samsung Electro-mechanics

FIXED RESISTOR

SURFACE MOUNT

10000 ohm

.125 W

155 Cel

5 %

70 Cel

METAL GLAZE/THICK FILM

RECTANGULAR PACKAGE

Rectangular

TR, Paper, 7 Inch

0805

2

SMT

WRAPAROUND

FIXED RESISTOR

-55 Cel

100

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

.55 mm

150 V

2 mm

e3

1.25 mm

RC2012J106CS

Samsung Electro-mechanics

FIXED RESISTOR

SURFACE MOUNT

10000000 ohm

.125 W

155 Cel

5 %

70 Cel

METAL GLAZE/THICK FILM

RECTANGULAR PACKAGE

Rectangular

TR, Paper, 7 Inch

0805

2

SMT

WRAPAROUND

FIXED RESISTOR

-55 Cel

100

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

.55 mm

150 V

2 mm

e3

1.25 mm

RC2012J123CS

Samsung Electro-mechanics

FIXED RESISTOR

SURFACE MOUNT

12000 ohm

.125 W

155 Cel

5 %

70 Cel

METAL GLAZE/THICK FILM

RECTANGULAR PACKAGE

Rectangular

TR, Paper, 7 Inch

0805

2

SMT

WRAPAROUND

FIXED RESISTOR

-55 Cel

100

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

.55 mm

150 V

2 mm

e3

1.25 mm

RC2012J131CS

Samsung Electro-mechanics

FIXED RESISTOR

SURFACE MOUNT

130 ohm

.125 W

155 Cel

5 %

70 Cel

METAL GLAZE/THICK FILM

RECTANGULAR PACKAGE

Rectangular

TR, Paper, 7 Inch

0805

2

SMT

WRAPAROUND

FIXED RESISTOR

-55 Cel

100

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

.55 mm

150 V

2 mm

e3

1.25 mm

RC2012J153CS

Samsung Electro-mechanics

FIXED RESISTOR

SURFACE MOUNT

15000 ohm

.125 W

155 Cel

5 %

70 Cel

METAL GLAZE/THICK FILM

RECTANGULAR PACKAGE

Rectangular

TR, Paper, 7 Inch

0805

2

SMT

WRAPAROUND

FIXED RESISTOR

-55 Cel

100

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

.55 mm

150 V

2 mm

e3

1.25 mm

RC2012J200CS

Samsung Electro-mechanics

FIXED RESISTOR

SURFACE MOUNT

20 ohm

.125 W

155 Cel

5 %

70 Cel

METAL GLAZE/THICK FILM

RECTANGULAR PACKAGE

Rectangular

TR, Paper, 7 Inch

0805

2

SMT

WRAPAROUND

FIXED RESISTOR

-55 Cel

100

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

.55 mm

150 V

2 mm

e3

1.25 mm

RC2012J220CS

Samsung Electro-mechanics

FIXED RESISTOR

SURFACE MOUNT

22 ohm

.125 W

155 Cel

5 %

70 Cel

METAL GLAZE/THICK FILM

RECTANGULAR PACKAGE

Rectangular

TR, Paper, 7 Inch

0805

2

SMT

WRAPAROUND

FIXED RESISTOR

-55 Cel

100

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

.55 mm

150 V

2 mm

e3

1.25 mm

RC2012J222CS

Samsung Electro-mechanics

FIXED RESISTOR

SURFACE MOUNT

2200 ohm

.125 W

155 Cel

5 %

70 Cel

METAL GLAZE/THICK FILM

RECTANGULAR PACKAGE

Rectangular

TR, Paper, 7 Inch

0805

2

SMT

WRAPAROUND

FIXED RESISTOR

-55 Cel

100

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

.55 mm

150 V

2 mm

e3

1.25 mm

RC2012J2R2CS

Samsung Electro-mechanics

FIXED RESISTOR

SURFACE MOUNT

2.2 ohm

.125 W

155 Cel

5 %

70 Cel

METAL GLAZE/THICK FILM

RECTANGULAR PACKAGE

Rectangular

TR, Paper, 7 Inch

0805

2

SMT

WRAPAROUND

FIXED RESISTOR

-55 Cel

300

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

.55 mm

150 V

2 mm

e3

1.25 mm

RC2012J330CS

Samsung Electro-mechanics

FIXED RESISTOR

SURFACE MOUNT

33 ohm

.125 W

155 Cel

5 %

70 Cel

METAL GLAZE/THICK FILM

RECTANGULAR PACKAGE

Rectangular

TR, Paper, 7 Inch

0805

2

SMT

WRAPAROUND

FIXED RESISTOR

-55 Cel

100

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

.55 mm

150 V

2 mm

e3

1.25 mm

RC2012J331CS

Samsung Electro-mechanics

FIXED RESISTOR

SURFACE MOUNT

330 ohm

.125 W

155 Cel

5 %

70 Cel

METAL GLAZE/THICK FILM

RECTANGULAR PACKAGE

Rectangular

TR, Paper, 7 Inch

0805

2

SMT

WRAPAROUND

FIXED RESISTOR

-55 Cel

100

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

.55 mm

150 V

2 mm

e3

1.25 mm

RC2012J470CS

Samsung Electro-mechanics

FIXED RESISTOR

SURFACE MOUNT

47 ohm

.125 W

155 Cel

5 %

70 Cel

METAL GLAZE/THICK FILM

RECTANGULAR PACKAGE

Rectangular

TR, Paper, 7 Inch

0805

2

SMT

WRAPAROUND

FIXED RESISTOR

-55 Cel

100

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

.55 mm

150 V

2 mm

e3

1.25 mm

RC2012J471CS

Samsung Electro-mechanics

FIXED RESISTOR

SURFACE MOUNT

470 ohm

.125 W

155 Cel

5 %

70 Cel

METAL GLAZE/THICK FILM

RECTANGULAR PACKAGE

Rectangular

TR, Paper, 7 Inch

0805

2

SMT

WRAPAROUND

FIXED RESISTOR

-55 Cel

100

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

.55 mm

150 V

2 mm

e3

1.25 mm

RC2012J472CS

Samsung Electro-mechanics

FIXED RESISTOR

SURFACE MOUNT

4700 ohm

.125 W

155 Cel

5 %

70 Cel

METAL GLAZE/THICK FILM

RECTANGULAR PACKAGE

Rectangular

TR, Paper, 7 Inch

0805

2

SMT

WRAPAROUND

FIXED RESISTOR

-55 Cel

100

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

.55 mm

150 V

2 mm

e3

1.25 mm

RC2012J474CS

Samsung Electro-mechanics

FIXED RESISTOR

SURFACE MOUNT

470000 ohm

.125 W

155 Cel

5 %

70 Cel

METAL GLAZE/THICK FILM

RECTANGULAR PACKAGE

Rectangular

TR, Paper, 7 Inch

0805

2

SMT

WRAPAROUND

FIXED RESISTOR

-55 Cel

100

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

.55 mm

150 V

2 mm

e3

1.25 mm

RC2012J621CS

Samsung Electro-mechanics

FIXED RESISTOR

SURFACE MOUNT

620 ohm

.125 W

155 Cel

5 %

70 Cel

METAL GLAZE/THICK FILM

RECTANGULAR PACKAGE

Rectangular

TR, Paper, 7 Inch

0805

2

SMT

WRAPAROUND

FIXED RESISTOR

-55 Cel

100

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

.55 mm

150 V

2 mm

e3

1.25 mm

RC2012J682CS

Samsung Electro-mechanics

FIXED RESISTOR

SURFACE MOUNT

6800 ohm

.125 W

155 Cel

5 %

70 Cel

METAL GLAZE/THICK FILM

RECTANGULAR PACKAGE

Rectangular

TR, Paper, 7 Inch

0805

2

SMT

WRAPAROUND

FIXED RESISTOR

-55 Cel

100

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

.55 mm

150 V

2 mm

e3

1.25 mm

RC2012J6R8CS

Samsung Electro-mechanics

FIXED RESISTOR

SURFACE MOUNT

6.8 ohm

.125 W

155 Cel

5 %

70 Cel

METAL GLAZE/THICK FILM

RECTANGULAR PACKAGE

Rectangular

TR, Paper, 7 Inch

0805

2

SMT

WRAPAROUND

FIXED RESISTOR

-55 Cel

300

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

.55 mm

150 V

2 mm

e3

1.25 mm

RC2012J750CS

Samsung Electro-mechanics

FIXED RESISTOR

SURFACE MOUNT

75 ohm

.125 W

155 Cel

5 %

70 Cel

METAL GLAZE/THICK FILM

RECTANGULAR PACKAGE

Rectangular

TR, Paper, 7 Inch

0805

2

SMT

WRAPAROUND

FIXED RESISTOR

-55 Cel

100

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

.55 mm

150 V

2 mm

e3

1.25 mm

RC2012J752CS

Samsung Electro-mechanics

FIXED RESISTOR

SURFACE MOUNT

7500 ohm

.125 W

155 Cel

5 %

70 Cel

METAL GLAZE/THICK FILM

RECTANGULAR PACKAGE

Rectangular

TR, Paper, 7 Inch

0805

2

SMT

WRAPAROUND

FIXED RESISTOR

-55 Cel

100

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

.55 mm

150 V

2 mm

e3

1.25 mm

RC3216J100CS

Samsung Electro-mechanics

FIXED RESISTOR

SURFACE MOUNT

10 ohm

.25 W

155 Cel

5 %

70 Cel

METAL GLAZE/THICK FILM

RECTANGULAR PACKAGE

Rectangular

TR, Paper, 7 Inch

1206

2

SMT

WRAPAROUND

FIXED RESISTOR

-55 Cel

100

TIN OVER NICKEL

.55 mm

200 V

3.2 mm

e3

1.6 mm

RC3216J102CS

Samsung Electro-mechanics

FIXED RESISTOR

SURFACE MOUNT

1000 ohm

.25 W

155 Cel

5 %

70 Cel

METAL GLAZE/THICK FILM

RECTANGULAR PACKAGE

Rectangular

TR, Paper, 7 Inch

1206

2

SMT

WRAPAROUND

FIXED RESISTOR

-55 Cel

100

TIN OVER NICKEL

.55 mm

200 V

3.2 mm

e3

1.6 mm

RC3216J150CS

Samsung Electro-mechanics

FIXED RESISTOR

SURFACE MOUNT

15 ohm

.25 W

155 Cel

5 %

70 Cel

METAL GLAZE/THICK FILM

RECTANGULAR PACKAGE

Rectangular

TR, Paper, 7 Inch

1206

2

SMT

WRAPAROUND

FIXED RESISTOR

-55 Cel

100

TIN OVER NICKEL

.55 mm

200 V

3.2 mm

e3

1.6 mm

RC3216J151CS

Samsung Electro-mechanics

FIXED RESISTOR

SURFACE MOUNT

150 ohm

.25 W

155 Cel

5 %

70 Cel

METAL GLAZE/THICK FILM

RECTANGULAR PACKAGE

Rectangular

TR, Paper, 7 Inch

1206

2

SMT

WRAPAROUND

FIXED RESISTOR

-55 Cel

100

TIN OVER NICKEL

.55 mm

200 V

3.2 mm

e3

1.6 mm

RC3216J202CS

Samsung Electro-mechanics

FIXED RESISTOR

SURFACE MOUNT

2000 ohm

.25 W

155 Cel

5 %

70 Cel

METAL GLAZE/THICK FILM

RECTANGULAR PACKAGE

Rectangular

TR, Paper, 7 Inch

1206

2

SMT

WRAPAROUND

FIXED RESISTOR

-55 Cel

100

TIN OVER NICKEL

.55 mm

200 V

3.2 mm

e3

1.6 mm

RC3216J301CS

Samsung Electro-mechanics

FIXED RESISTOR

SURFACE MOUNT

300 ohm

.25 W

155 Cel

5 %

70 Cel

METAL GLAZE/THICK FILM

RECTANGULAR PACKAGE

Rectangular

TR, Paper, 7 Inch

1206

2

SMT

WRAPAROUND

FIXED RESISTOR

-55 Cel

100

TIN OVER NICKEL

.55 mm

200 V

3.2 mm

e3

1.6 mm

RC3216J331CS

Samsung Electro-mechanics

FIXED RESISTOR

SURFACE MOUNT

330 ohm

.25 W

155 Cel

5 %

70 Cel

METAL GLAZE/THICK FILM

RECTANGULAR PACKAGE

Rectangular

TR, Paper, 7 Inch

1206

2

SMT

WRAPAROUND

FIXED RESISTOR

-55 Cel

100

TIN OVER NICKEL

.55 mm

200 V

3.2 mm

e3

1.6 mm

RC3216J5R1CS

Samsung Electro-mechanics

FIXED RESISTOR

SURFACE MOUNT

5.1 ohm

.25 W

155 Cel

5 %

70 Cel

METAL GLAZE/THICK FILM

RECTANGULAR PACKAGE

Rectangular

TR, Paper, 7 Inch

1206

2

SMT

WRAPAROUND

FIXED RESISTOR

-55 Cel

300

TIN OVER NICKEL

.55 mm

200 V

3.2 mm

e3

1.6 mm

RC3216J681CS

Samsung Electro-mechanics

FIXED RESISTOR

SURFACE MOUNT

680 ohm

.25 W

155 Cel

5 %

70 Cel

METAL GLAZE/THICK FILM

RECTANGULAR PACKAGE

Rectangular

TR, Paper, 7 Inch

1206

2

SMT

WRAPAROUND

FIXED RESISTOR

-55 Cel

100

TIN OVER NICKEL

.55 mm

200 V

3.2 mm

e3

1.6 mm

RC3216J682CS

Samsung Electro-mechanics

FIXED RESISTOR

SURFACE MOUNT

6800 ohm

.25 W

155 Cel

5 %

70 Cel

METAL GLAZE/THICK FILM

RECTANGULAR PACKAGE

Rectangular

TR, Paper, 7 Inch

1206

2

SMT

WRAPAROUND

FIXED RESISTOR

-55 Cel

100

TIN OVER NICKEL

.55 mm

200 V

3.2 mm

e3

1.6 mm

RC3216J6R2CS

Samsung Electro-mechanics

FIXED RESISTOR

SURFACE MOUNT

6.2 ohm

.25 W

155 Cel

5 %

70 Cel

METAL GLAZE/THICK FILM

RECTANGULAR PACKAGE

Rectangular

TR, Paper, 7 Inch

1206

2

SMT

WRAPAROUND

FIXED RESISTOR

-55 Cel

300

TIN OVER NICKEL

.55 mm

200 V

3.2 mm

e3

1.6 mm

RC3216J6R8CS

Samsung Electro-mechanics

FIXED RESISTOR

SURFACE MOUNT

6.8 ohm

.25 W

155 Cel

5 %

70 Cel

METAL GLAZE/THICK FILM

RECTANGULAR PACKAGE

Rectangular

TR, Paper, 7 Inch

1206

2

SMT

WRAPAROUND

FIXED RESISTOR

-55 Cel

300

TIN OVER NICKEL

.55 mm

200 V

3.2 mm

e3

1.6 mm

RC3216J8R2CS

Samsung Electro-mechanics

FIXED RESISTOR

SURFACE MOUNT

8.2 ohm

.25 W

155 Cel

5 %

70 Cel

METAL GLAZE/THICK FILM

RECTANGULAR PACKAGE

Rectangular

TR, Paper, 7 Inch

1206

2

SMT

WRAPAROUND

FIXED RESISTOR

-55 Cel

300

TIN OVER NICKEL

.55 mm

200 V

3.2 mm

e3

1.6 mm

MCR03EZPJ100

ROHM

FIXED RESISTOR

SURFACE MOUNT

10 ohm

.1 W

155 Cel

5 %

70 Cel

METAL GLAZE/THICK FILM

RECTANGULAR PACKAGE

Rectangular

TR, PAPER, 7 INCH

0603

2

SMT

WRAPAROUND

FIXED RESISTOR

-55 Cel

200

TIN OVER NICKEL

.45 mm

50 V

1.6 mm

e3

.8 mm

MCR03EZPJ101

ROHM

FIXED RESISTOR

SURFACE MOUNT

100 ohm

.1 W

155 Cel

5 %

70 Cel

METAL GLAZE/THICK FILM

RECTANGULAR PACKAGE

Rectangular

TR, PAPER, 7 INCH

0603

2

SMT

WRAPAROUND

FIXED RESISTOR

-55 Cel

200

TIN OVER NICKEL

.45 mm

50 V

1.6 mm

e3

.8 mm

MCR03EZPJ102

ROHM

FIXED RESISTOR

SURFACE MOUNT

1000 ohm

.1 W

155 Cel

5 %

70 Cel

METAL GLAZE/THICK FILM

RECTANGULAR PACKAGE

Rectangular

TR, PAPER, 7 INCH

0603

2

SMT

WRAPAROUND

FIXED RESISTOR

-55 Cel

200

TIN OVER NICKEL

.45 mm

50 V

1.6 mm

e3

.8 mm

MCR03EZPJ103

ROHM

FIXED RESISTOR

SURFACE MOUNT

10000 ohm

.1 W

155 Cel

5 %

70 Cel

METAL GLAZE/THICK FILM

RECTANGULAR PACKAGE

Rectangular

TR, PAPER, 7 INCH

0603

2

SMT

WRAPAROUND

FIXED RESISTOR

-55 Cel

200

TIN OVER NICKEL

.45 mm

50 V

1.6 mm

e3

.8 mm

MCR03EZPJ104

ROHM

FIXED RESISTOR

SURFACE MOUNT

100000 ohm

.1 W

155 Cel

5 %

70 Cel

METAL GLAZE/THICK FILM

RECTANGULAR PACKAGE

Rectangular

TR, PAPER, 7 INCH

0603

2

SMT

WRAPAROUND

FIXED RESISTOR

-55 Cel

200

TIN OVER NICKEL

.45 mm

50 V

1.6 mm

e3

.8 mm

MCR03EZPJ105

ROHM

FIXED RESISTOR

SURFACE MOUNT

1000000 ohm

.1 W

155 Cel

5 %

70 Cel

METAL GLAZE/THICK FILM

RECTANGULAR PACKAGE

Rectangular

TR, PAPER, 7 INCH

0603

2

SMT

WRAPAROUND

FIXED RESISTOR

-55 Cel

200

TIN OVER NICKEL

.45 mm

50 V

1.6 mm

e3

.8 mm

MCR03EZPJ106

ROHM

FIXED RESISTOR

SURFACE MOUNT

10000000 ohm

.1 W

155 Cel

5 %

70 Cel

METAL GLAZE/THICK FILM

RECTANGULAR PACKAGE

Rectangular

TR, PAPER, 7 INCH

0603

2

SMT

WRAPAROUND

FIXED RESISTOR

-55 Cel

200

TIN OVER NICKEL

.45 mm

50 V

1.6 mm

e3

.8 mm

MCR03EZPJ111

ROHM

FIXED RESISTOR

SURFACE MOUNT

110 ohm

.1 W

155 Cel

5 %

70 Cel

METAL GLAZE/THICK FILM

RECTANGULAR PACKAGE

Rectangular

TR, PAPER, 7 INCH

0603

2

SMT

WRAPAROUND

FIXED RESISTOR

-55 Cel

200

TIN OVER NICKEL

.45 mm

50 V

1.6 mm

e3

.8 mm

MCR03EZPJ121

ROHM

FIXED RESISTOR

SURFACE MOUNT

120 ohm

.1 W

155 Cel

5 %

70 Cel

METAL GLAZE/THICK FILM

RECTANGULAR PACKAGE

Rectangular

TR, PAPER, 7 INCH

0603

2

SMT

WRAPAROUND

FIXED RESISTOR

-55 Cel

200

TIN OVER NICKEL

.45 mm

50 V

1.6 mm

e3

.8 mm

MCR03EZPJ122

ROHM

FIXED RESISTOR

SURFACE MOUNT

1200 ohm

.1 W

155 Cel

5 %

70 Cel

METAL GLAZE/THICK FILM

RECTANGULAR PACKAGE

Rectangular

TR, PAPER, 7 INCH

0603

2

SMT

WRAPAROUND

FIXED RESISTOR

-55 Cel

200

TIN OVER NICKEL

.45 mm

50 V

1.6 mm

e3

.8 mm

MCR03EZPJ123

ROHM

FIXED RESISTOR

SURFACE MOUNT

12000 ohm

.1 W

155 Cel

5 %

70 Cel

METAL GLAZE/THICK FILM

RECTANGULAR PACKAGE

Rectangular

TR, PAPER, 7 INCH

0603

2

SMT

WRAPAROUND

FIXED RESISTOR

-55 Cel

200

TIN OVER NICKEL

.45 mm

50 V

1.6 mm

e3

.8 mm

MCR03EZPJ152

ROHM

FIXED RESISTOR

SURFACE MOUNT

1500 ohm

.1 W

155 Cel

5 %

70 Cel

METAL GLAZE/THICK FILM

RECTANGULAR PACKAGE

Rectangular

TR, PAPER, 7 INCH

0603

2

SMT

WRAPAROUND

FIXED RESISTOR

-55 Cel

200

TIN OVER NICKEL

.45 mm

50 V

1.6 mm

e3

.8 mm

MCR03EZPJ154

ROHM

FIXED RESISTOR

SURFACE MOUNT

150000 ohm

.1 W

155 Cel

5 %

70 Cel

METAL GLAZE/THICK FILM

RECTANGULAR PACKAGE

Rectangular

TR, PAPER, 7 INCH

0603

2

SMT

WRAPAROUND

FIXED RESISTOR

-55 Cel

200

TIN OVER NICKEL

.45 mm

50 V

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.