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)

MCR01MRTF1503

ROHM

FIXED RESISTOR

SURFACE MOUNT

150000 ohm

.063 W

155 Cel

1 %

70 Cel

METAL GLAZE/THICK FILM

RECTANGULAR PACKAGE

Chip

TR, PAPER, 7 INCH

0402

2

SMT

WRAPAROUND

FIXED RESISTOR

-55 Cel

100

Tin (Sn) - with Nickel (Ni) barrier

.35 mm

50 V

1 mm

e3

TS 16949

.5 mm

MCR01MRTF1600

ROHM

FIXED RESISTOR

SURFACE MOUNT

160 ohm

.063 W

155 Cel

1 %

70 Cel

METAL GLAZE/THICK FILM

RECTANGULAR PACKAGE

Chip

TR, PAPER, 7 INCH

0402

2

SMT

WRAPAROUND

FIXED RESISTOR

-55 Cel

100

Tin (Sn) - with Nickel (Ni) barrier

.35 mm

50 V

1 mm

e3

TS 16949

.5 mm

MCR01MRTF1603

ROHM

FIXED RESISTOR

SURFACE MOUNT

160000 ohm

.063 W

155 Cel

1 %

70 Cel

METAL GLAZE/THICK FILM

RECTANGULAR PACKAGE

Chip

TR, PAPER, 7 INCH

0402

2

SMT

WRAPAROUND

FIXED RESISTOR

-55 Cel

100

Tin (Sn) - with Nickel (Ni) barrier

.35 mm

50 V

1 mm

e3

TS 16949

.5 mm

MCR01MRTF1801

ROHM

FIXED RESISTOR

SURFACE MOUNT

1800 ohm

.063 W

155 Cel

1 %

70 Cel

METAL GLAZE/THICK FILM

RECTANGULAR PACKAGE

Chip

TR, PAPER, 7 INCH

0402

2

SMT

WRAPAROUND

FIXED RESISTOR

-55 Cel

100

Tin (Sn) - with Nickel (Ni) barrier

.35 mm

50 V

1 mm

e3

TS 16949

.5 mm

MCR01MRTF1802

ROHM

FIXED RESISTOR

SURFACE MOUNT

18000 ohm

.063 W

155 Cel

1 %

70 Cel

METAL GLAZE/THICK FILM

RECTANGULAR PACKAGE

Chip

TR, PAPER, 7 INCH

0402

2

SMT

WRAPAROUND

FIXED RESISTOR

-55 Cel

100

Tin (Sn) - with Nickel (Ni) barrier

.35 mm

50 V

1 mm

e3

TS 16949

.5 mm

MCR01MRTF2001

ROHM

FIXED RESISTOR

SURFACE MOUNT

2000 ohm

.063 W

155 Cel

1 %

70 Cel

METAL GLAZE/THICK FILM

RECTANGULAR PACKAGE

Chip

TR, PAPER, 7 INCH

0402

2

SMT

WRAPAROUND

FIXED RESISTOR

-55 Cel

100

Tin (Sn) - with Nickel (Ni) barrier

.35 mm

50 V

1 mm

e3

TS 16949

.5 mm

MCR01MRTF2002

ROHM

FIXED RESISTOR

SURFACE MOUNT

20000 ohm

.063 W

155 Cel

1 %

70 Cel

METAL GLAZE/THICK FILM

RECTANGULAR PACKAGE

Chip

TR, PAPER, 7 INCH

0402

2

SMT

WRAPAROUND

FIXED RESISTOR

-55 Cel

100

Tin (Sn) - with Nickel (Ni) barrier

.35 mm

50 V

1 mm

e3

TS 16949

.5 mm

MCR01MRTF2003

ROHM

FIXED RESISTOR

SURFACE MOUNT

200000 ohm

.063 W

155 Cel

1 %

70 Cel

METAL GLAZE/THICK FILM

RECTANGULAR PACKAGE

Chip

TR, PAPER, 7 INCH

0402

2

SMT

WRAPAROUND

FIXED RESISTOR

-55 Cel

100

Tin (Sn) - with Nickel (Ni) barrier

.35 mm

50 V

1 mm

e3

TS 16949

.5 mm

MCR01MRTF2200

ROHM

FIXED RESISTOR

SURFACE MOUNT

220 ohm

.063 W

155 Cel

1 %

70 Cel

METAL GLAZE/THICK FILM

RECTANGULAR PACKAGE

Chip

TR, PAPER, 7 INCH

0402

2

SMT

WRAPAROUND

FIXED RESISTOR

-55 Cel

100

Tin (Sn) - with Nickel (Ni) barrier

.35 mm

50 V

1 mm

e3

TS 16949

.5 mm

MCR01MRTF2201

ROHM

FIXED RESISTOR

SURFACE MOUNT

2200 ohm

.063 W

155 Cel

1 %

70 Cel

METAL GLAZE/THICK FILM

RECTANGULAR PACKAGE

Chip

TR, PAPER, 7 INCH

0402

2

SMT

WRAPAROUND

FIXED RESISTOR

-55 Cel

100

Tin (Sn) - with Nickel (Ni) barrier

.35 mm

50 V

1 mm

e3

TS 16949

.5 mm

MCR01MRTF2213

ROHM

FIXED RESISTOR

SURFACE MOUNT

221000 ohm

.063 W

155 Cel

1 %

70 Cel

METAL GLAZE/THICK FILM

RECTANGULAR PACKAGE

Chip

TR, PAPER, 7 INCH

0402

2

SMT

WRAPAROUND

FIXED RESISTOR

-55 Cel

100

Tin (Sn) - with Nickel (Ni) barrier

.35 mm

50 V

1 mm

e3

TS 16949

.5 mm

MCR01MRTF22R0

ROHM

FIXED RESISTOR

SURFACE MOUNT

22 ohm

.063 W

155 Cel

1 %

70 Cel

METAL GLAZE/THICK FILM

RECTANGULAR PACKAGE

Chip

TR, PAPER, 7 INCH

0402

2

SMT

WRAPAROUND

FIXED RESISTOR

-55 Cel

100

Tin (Sn) - with Nickel (Ni) barrier

.35 mm

50 V

1 mm

e3

TS 16949

.5 mm

MCR01MRTF2702

ROHM

FIXED RESISTOR

SURFACE MOUNT

27000 ohm

.063 W

155 Cel

1 %

70 Cel

METAL GLAZE/THICK FILM

RECTANGULAR PACKAGE

Chip

TR, PAPER, 7 INCH

0402

2

SMT

WRAPAROUND

FIXED RESISTOR

-55 Cel

100

Tin (Sn) - with Nickel (Ni) barrier

.35 mm

50 V

1 mm

e3

TS 16949

.5 mm

MCR01MRTF2802

ROHM

FIXED RESISTOR

SURFACE MOUNT

28000 ohm

.063 W

155 Cel

1 %

70 Cel

METAL GLAZE/THICK FILM

RECTANGULAR PACKAGE

Chip

TR, PAPER, 7 INCH

0402

2

SMT

WRAPAROUND

FIXED RESISTOR

-55 Cel

100

Tin (Sn) - with Nickel (Ni) barrier

.35 mm

50 V

1 mm

e3

TS 16949

.5 mm

MCR01MRTF3002

ROHM

FIXED RESISTOR

SURFACE MOUNT

30000 ohm

.063 W

155 Cel

1 %

70 Cel

METAL GLAZE/THICK FILM

RECTANGULAR PACKAGE

Chip

TR, PAPER, 7 INCH

0402

2

SMT

WRAPAROUND

FIXED RESISTOR

-55 Cel

100

Tin (Sn) - with Nickel (Ni) barrier

.35 mm

50 V

1 mm

e3

TS 16949

.5 mm

MCR01MRTF3300

ROHM

FIXED RESISTOR

SURFACE MOUNT

330 ohm

.063 W

155 Cel

1 %

70 Cel

METAL GLAZE/THICK FILM

RECTANGULAR PACKAGE

Chip

TR, PAPER, 7 INCH

0402

2

SMT

WRAPAROUND

FIXED RESISTOR

-55 Cel

100

Tin (Sn) - with Nickel (Ni) barrier

.35 mm

50 V

1 mm

e3

TS 16949

.5 mm

MCR01MRTF33R0

ROHM

FIXED RESISTOR

SURFACE MOUNT

33 ohm

.063 W

155 Cel

1 %

70 Cel

METAL GLAZE/THICK FILM

RECTANGULAR PACKAGE

Chip

TR, PAPER, 7 INCH

0402

2

SMT

WRAPAROUND

FIXED RESISTOR

-55 Cel

100

TIN OVER NICKEL

.35 mm

50 V

1 mm

e3

TS 16949

.5 mm

MCR01MRTF3602

ROHM

FIXED RESISTOR

SURFACE MOUNT

36000 ohm

.063 W

155 Cel

1 %

70 Cel

METAL GLAZE/THICK FILM

RECTANGULAR PACKAGE

Chip

TR, PAPER, 7 INCH

0402

2

SMT

WRAPAROUND

FIXED RESISTOR

-55 Cel

100

Tin (Sn) - with Nickel (Ni) barrier

.35 mm

50 V

1 mm

e3

TS 16949

.5 mm

MCR01MRTF3741

ROHM

FIXED RESISTOR

SURFACE MOUNT

3740 ohm

.063 W

155 Cel

1 %

70 Cel

METAL GLAZE/THICK FILM

RECTANGULAR PACKAGE

Chip

TR, PAPER, 7 INCH

0402

2

SMT

WRAPAROUND

FIXED RESISTOR

-55 Cel

100

Tin (Sn) - with Nickel (Ni) barrier

.35 mm

50 V

1 mm

e3

TS 16949

.5 mm

MCR01MRTF39R0

ROHM

FIXED RESISTOR

SURFACE MOUNT

39 ohm

.063 W

155 Cel

1 %

70 Cel

METAL GLAZE/THICK FILM

RECTANGULAR PACKAGE

Chip

TR, PAPER, 7 INCH

0402

2

SMT

WRAPAROUND

FIXED RESISTOR

-55 Cel

100

Tin (Sn) - with Nickel (Ni) barrier

.35 mm

50 V

1 mm

e3

TS 16949

.5 mm

MCR01MRTF4300

ROHM

FIXED RESISTOR

SURFACE MOUNT

430 ohm

.063 W

155 Cel

1 %

70 Cel

METAL GLAZE/THICK FILM

RECTANGULAR PACKAGE

Chip

TR, PAPER, 7 INCH

0402

2

SMT

WRAPAROUND

FIXED RESISTOR

-55 Cel

100

Tin (Sn) - with Nickel (Ni) barrier

.35 mm

50 V

1 mm

e3

TS 16949

.5 mm

MCR01MRTF4702

ROHM

FIXED RESISTOR

SURFACE MOUNT

47000 ohm

.063 W

155 Cel

1 %

70 Cel

METAL GLAZE/THICK FILM

RECTANGULAR PACKAGE

Chip

TR, PAPER, 7 INCH

0402

2

SMT

WRAPAROUND

FIXED RESISTOR

-55 Cel

100

Tin (Sn) - with Nickel (Ni) barrier

.35 mm

50 V

1 mm

e3

TS 16949

.5 mm

MCR01MRTF49R9

ROHM

FIXED RESISTOR

SURFACE MOUNT

49.9 ohm

.063 W

155 Cel

1 %

70 Cel

METAL GLAZE/THICK FILM

RECTANGULAR PACKAGE

Chip

TR, PAPER, 7 INCH

0402

2

SMT

WRAPAROUND

FIXED RESISTOR

-55 Cel

100

Tin (Sn) - with Nickel (Ni) barrier

.35 mm

50 V

1 mm

e3

TS 16949

.5 mm

MCR01MRTF5102

ROHM

FIXED RESISTOR

SURFACE MOUNT

51000 ohm

.063 W

155 Cel

1 %

70 Cel

METAL GLAZE/THICK FILM

RECTANGULAR PACKAGE

Chip

TR, PAPER, 7 INCH

0402

2

SMT

WRAPAROUND

FIXED RESISTOR

-55 Cel

100

Tin (Sn) - with Nickel (Ni) barrier

.35 mm

50 V

1 mm

e3

TS 16949

.5 mm

MCR01MRTF51R0

ROHM

FIXED RESISTOR

SURFACE MOUNT

51 ohm

.063 W

155 Cel

1 %

70 Cel

METAL GLAZE/THICK FILM

RECTANGULAR PACKAGE

Chip

TR, PAPER, 7 INCH

0402

2

SMT

WRAPAROUND

FIXED RESISTOR

-55 Cel

100

Tin (Sn) - with Nickel (Ni) barrier

.35 mm

50 V

1 mm

e3

TS 16949

.5 mm

MCR01MRTF7501

ROHM

FIXED RESISTOR

SURFACE MOUNT

7500 ohm

.063 W

155 Cel

1 %

70 Cel

METAL GLAZE/THICK FILM

RECTANGULAR PACKAGE

Chip

TR, PAPER, 7 INCH

0402

2

SMT

WRAPAROUND

FIXED RESISTOR

-55 Cel

100

Tin (Sn) - with Nickel (Ni) barrier

.35 mm

50 V

1 mm

e3

TS 16949

.5 mm

MCR01MRTF75R0

ROHM

FIXED RESISTOR

SURFACE MOUNT

75 ohm

.063 W

155 Cel

1 %

70 Cel

METAL GLAZE/THICK FILM

RECTANGULAR PACKAGE

Chip

TR, PAPER, 7 INCH

0402

2

SMT

WRAPAROUND

FIXED RESISTOR

-55 Cel

100

TIN OVER NICKEL

.35 mm

50 V

1 mm

e3

TS 16949

.5 mm

MCR01MRTF8202

ROHM

FIXED RESISTOR

SURFACE MOUNT

82000 ohm

.063 W

155 Cel

1 %

70 Cel

METAL GLAZE/THICK FILM

RECTANGULAR PACKAGE

Chip

TR, PAPER, 7 INCH

0402

2

SMT

WRAPAROUND

FIXED RESISTOR

-55 Cel

100

Tin (Sn) - with Nickel (Ni) barrier

.35 mm

50 V

1 mm

e3

TS 16949

.5 mm

MCR01MRTF8871

ROHM

FIXED RESISTOR

SURFACE MOUNT

8870 ohm

.063 W

155 Cel

1 %

70 Cel

METAL GLAZE/THICK FILM

RECTANGULAR PACKAGE

Chip

TR, PAPER, 7 INCH

0402

2

SMT

WRAPAROUND

FIXED RESISTOR

-55 Cel

100

Tin (Sn) - with Nickel (Ni) barrier

.35 mm

50 V

1 mm

e3

TS 16949

.5 mm

MCR01MRTF9100

ROHM

FIXED RESISTOR

SURFACE MOUNT

910 ohm

.063 W

155 Cel

1 %

70 Cel

METAL GLAZE/THICK FILM

RECTANGULAR PACKAGE

Chip

TR, PAPER, 7 INCH

0402

2

SMT

WRAPAROUND

FIXED RESISTOR

-55 Cel

100

Tin (Sn) - with Nickel (Ni) barrier

.35 mm

50 V

1 mm

e3

TS 16949

.5 mm

MCR03ERTF1000

ROHM

FIXED RESISTOR

SURFACE MOUNT

100 ohm

.1 W

155 Cel

1 %

70 Cel

METAL GLAZE/THICK FILM

RECTANGULAR PACKAGE

Chip

TR, PAPER, 7 INCH

0603

2

SMT

WRAPAROUND

FIXED RESISTOR

-55 Cel

100

Tin (Sn) - with Nickel (Ni) barrier

.45 mm

50 V

1.6 mm

e3

TS 16949

.8 mm

MCR03ERTF1001

ROHM

FIXED RESISTOR

SURFACE MOUNT

1000 ohm

.1 W

155 Cel

1 %

70 Cel

METAL GLAZE/THICK FILM

RECTANGULAR PACKAGE

Chip

TR, PAPER, 7 INCH

0603

2

SMT

WRAPAROUND

FIXED RESISTOR

-55 Cel

100

Tin (Sn) - with Nickel (Ni) barrier

.45 mm

50 V

1.6 mm

e3

TS 16949

.8 mm

MCR03ERTF1002

ROHM

FIXED RESISTOR

SURFACE MOUNT

10000 ohm

.1 W

155 Cel

1 %

70 Cel

METAL GLAZE/THICK FILM

RECTANGULAR PACKAGE

Chip

TR, PAPER, 7 INCH

0603

2

SMT

WRAPAROUND

FIXED RESISTOR

-55 Cel

100

Tin (Sn) - with Nickel (Ni) barrier

.45 mm

50 V

1.6 mm

e3

TS 16949

.8 mm

MCR03ERTF1003

ROHM

FIXED RESISTOR

SURFACE MOUNT

100000 ohm

.1 W

155 Cel

1 %

70 Cel

METAL GLAZE/THICK FILM

RECTANGULAR PACKAGE

Chip

TR, PAPER, 7 INCH

0603

2

SMT

WRAPAROUND

FIXED RESISTOR

-55 Cel

100

Tin (Sn) - with Nickel (Ni) barrier

.45 mm

50 V

1.6 mm

e3

TS 16949

.8 mm

MCR03ERTF1004

ROHM

FIXED RESISTOR

SURFACE MOUNT

1000000 ohm

.1 W

155 Cel

1 %

70 Cel

METAL GLAZE/THICK FILM

RECTANGULAR PACKAGE

Chip

TR, PAPER, 7 INCH

0603

2

SMT

WRAPAROUND

FIXED RESISTOR

-55 Cel

100

Tin (Sn) - with Nickel (Ni) barrier

.45 mm

50 V

1.6 mm

e3

TS 16949

.8 mm

MCR03ERTF10R0

ROHM

FIXED RESISTOR

SURFACE MOUNT

10 ohm

.1 W

155 Cel

1 %

70 Cel

METAL GLAZE/THICK FILM

RECTANGULAR PACKAGE

Chip

TR, PAPER, 7 INCH

0603

2

SMT

WRAPAROUND

FIXED RESISTOR

-55 Cel

100

Tin (Sn) - with Nickel (Ni) barrier

.45 mm

50 V

1.6 mm

e3

TS 16949

.8 mm

MCR03ERTF1202

ROHM

FIXED RESISTOR

SURFACE MOUNT

12000 ohm

.1 W

155 Cel

1 %

70 Cel

METAL GLAZE/THICK FILM

RECTANGULAR PACKAGE

Chip

TR, PAPER, 7 INCH

0603

2

SMT

WRAPAROUND

FIXED RESISTOR

-55 Cel

100

Tin (Sn) - with Nickel (Ni) barrier

.45 mm

50 V

1.6 mm

e3

TS 16949

.8 mm

MCR03ERTF1302

ROHM

FIXED RESISTOR

SURFACE MOUNT

13000 ohm

.1 W

155 Cel

1 %

70 Cel

METAL GLAZE/THICK FILM

RECTANGULAR PACKAGE

Chip

TR, PAPER, 7 INCH

0603

2

SMT

WRAPAROUND

FIXED RESISTOR

-55 Cel

100

Tin (Sn) - with Nickel (Ni) barrier

.45 mm

50 V

1.6 mm

e3

TS 16949

.8 mm

MCR03ERTF1652

ROHM

FIXED RESISTOR

SURFACE MOUNT

16500 ohm

.1 W

155 Cel

1 %

70 Cel

METAL GLAZE/THICK FILM

RECTANGULAR PACKAGE

Chip

TR, PAPER, 7 INCH

0603

2

SMT

WRAPAROUND

FIXED RESISTOR

-55 Cel

100

Tin (Sn) - with Nickel (Ni) barrier

.45 mm

50 V

1.6 mm

e3

TS 16949

.8 mm

MCR03ERTF2001

ROHM

FIXED RESISTOR

SURFACE MOUNT

2000 ohm

.1 W

155 Cel

1 %

70 Cel

METAL GLAZE/THICK FILM

RECTANGULAR PACKAGE

Chip

TR, PAPER, 7 INCH

0603

2

SMT

WRAPAROUND

FIXED RESISTOR

-55 Cel

100

Tin (Sn) - with Nickel (Ni) barrier

.45 mm

50 V

1.6 mm

e3

TS 16949

.8 mm

MCR03ERTF2002

ROHM

FIXED RESISTOR

SURFACE MOUNT

20000 ohm

.1 W

155 Cel

1 %

70 Cel

METAL GLAZE/THICK FILM

RECTANGULAR PACKAGE

Chip

TR, PAPER, 7 INCH

0603

2

SMT

WRAPAROUND

FIXED RESISTOR

-55 Cel

100

Tin (Sn) - with Nickel (Ni) barrier

.45 mm

50 V

1.6 mm

e3

TS 16949

.8 mm

MCR03ERTF2152

ROHM

FIXED RESISTOR

SURFACE MOUNT

21500 ohm

.1 W

155 Cel

1 %

70 Cel

METAL GLAZE/THICK FILM

RECTANGULAR PACKAGE

Chip

TR, PAPER, 7 INCH

0603

2

SMT

WRAPAROUND

FIXED RESISTOR

-55 Cel

100

Tin (Sn) - with Nickel (Ni) barrier

.45 mm

50 V

1.6 mm

e3

TS 16949

.8 mm

MCR03ERTF2200

ROHM

FIXED RESISTOR

SURFACE MOUNT

220 ohm

.1 W

155 Cel

1 %

70 Cel

METAL GLAZE/THICK FILM

RECTANGULAR PACKAGE

Chip

TR, PAPER, 7 INCH

0603

2

SMT

WRAPAROUND

FIXED RESISTOR

-55 Cel

100

Tin (Sn) - with Nickel (Ni) barrier

.45 mm

50 V

1.6 mm

e3

TS 16949

.8 mm

MCR03ERTF2201

ROHM

FIXED RESISTOR

SURFACE MOUNT

2200 ohm

.1 W

155 Cel

1 %

70 Cel

METAL GLAZE/THICK FILM

RECTANGULAR PACKAGE

Chip

TR, PAPER, 7 INCH

0603

2

SMT

WRAPAROUND

FIXED RESISTOR

-55 Cel

100

Tin (Sn) - with Nickel (Ni) barrier

.45 mm

50 V

1.6 mm

e3

TS 16949

.8 mm

MCR03ERTF2871

ROHM

FIXED RESISTOR

SURFACE MOUNT

2870 ohm

.1 W

155 Cel

1 %

70 Cel

METAL GLAZE/THICK FILM

RECTANGULAR PACKAGE

Chip

TR, PAPER, 7 INCH

0603

2

SMT

WRAPAROUND

FIXED RESISTOR

-55 Cel

100

Tin (Sn) - with Nickel (Ni) barrier

.45 mm

50 V

1.6 mm

e3

TS 16949

.8 mm

MCR03ERTF3000

ROHM

FIXED RESISTOR

SURFACE MOUNT

300 ohm

.1 W

155 Cel

1 %

70 Cel

METAL GLAZE/THICK FILM

RECTANGULAR PACKAGE

Chip

TR, PAPER, 7 INCH

0603

2

SMT

WRAPAROUND

FIXED RESISTOR

-55 Cel

100

Tin (Sn) - with Nickel (Ni) barrier

.45 mm

50 V

1.6 mm

e3

TS 16949

.8 mm

MCR03ERTF3602

ROHM

FIXED RESISTOR

SURFACE MOUNT

36000 ohm

.1 W

155 Cel

1 %

70 Cel

METAL GLAZE/THICK FILM

RECTANGULAR PACKAGE

Chip

TR, PAPER, 7 INCH

0603

2

SMT

WRAPAROUND

FIXED RESISTOR

-55 Cel

100

Tin (Sn) - with Nickel (Ni) barrier

.45 mm

50 V

1.6 mm

e3

TS 16949

.8 mm

MCR03ERTF3743

ROHM

FIXED RESISTOR

SURFACE MOUNT

374000 ohm

.1 W

155 Cel

1 %

70 Cel

METAL GLAZE/THICK FILM

RECTANGULAR PACKAGE

Chip

TR, PAPER, 7 INCH

0603

2

SMT

WRAPAROUND

FIXED RESISTOR

-55 Cel

100

Tin (Sn) - with Nickel (Ni) barrier

.45 mm

50 V

1.6 mm

e3

TS 16949

.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.