.25 W Fixed Resistors 969

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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)

RC3216F271CS

Samsung Electro-mechanics

FIXED RESISTOR

SURFACE MOUNT

270 ohm

.25 W

155 Cel

1 %

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

RC3216F2R0CS

Samsung Electro-mechanics

FIXED RESISTOR

SURFACE MOUNT

2 ohm

.25 W

155 Cel

1 %

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

RC3216F2R2CS

Samsung Electro-mechanics

FIXED RESISTOR

SURFACE MOUNT

2.2 ohm

.25 W

155 Cel

1 %

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

RC3216F472CS

Samsung Electro-mechanics

FIXED RESISTOR

SURFACE MOUNT

4700 ohm

.25 W

155 Cel

1 %

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

RC3216F512CS

Samsung Electro-mechanics

FIXED RESISTOR

SURFACE MOUNT

5100 ohm

.25 W

155 Cel

1 %

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

RC3216F753CS

Samsung Electro-mechanics

FIXED RESISTOR

SURFACE MOUNT

75000 ohm

.25 W

155 Cel

1 %

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

CRT1206-BY-2550ELF

Bourns

FIXED RESISTOR

SURFACE MOUNT

255 ohm

.25 W

155 Cel

.1 %

70 Cel

THIN FILM

RECTANGULAR PACKAGE

Rectangular

TR, PAPER, 7 INCH

1206

2

SMT

WRAPAROUND

-55 Cel

25

MATTE TIN OVER NICKEL

.55 mm

200 V

PRECISON

3.05 mm

e3

1.55 mm

CRT1206-BZ-1000ELF

Bourns

FIXED RESISTOR

SURFACE MOUNT

100 ohm

.25 W

155 Cel

.1 %

70 Cel

THIN FILM

Rectangular

TR, PAPER, 7 INCH

1206

2

SMT

WRAPAROUND

-55 Cel

50

MATTE TIN OVER NICKEL

.55 mm

200 V

PRECISON

3.05 mm

e3

1.55 mm

RGH2012-2E-P-474-B

Susumu

FIXED RESISTOR

SURFACE MOUNT

470000 ohm

.25 W

155 Cel

.1 %

METAL FILM

RECTANGULAR PACKAGE

Chip

TR

0805

2

SMT

WRAPAROUND

Fixed Resistors

-55 Cel

25

Matte Tin (Sn)

.4 mm

RGH

125 V

HIGH PRECISION

2 mm

e3

RGH2012-2E

1.25 mm

RGH2012-2E-P-752-B

Susumu

FIXED RESISTOR

SURFACE MOUNT

7500 ohm

.25 W

155 Cel

.1 %

METAL FILM

RECTANGULAR PACKAGE

Chip

TR

0805

2

SMT

WRAPAROUND

Fixed Resistors

-55 Cel

25

Matte Tin (Sn)

.4 mm

RGH

125 V

HIGH PRECISION

2 mm

e3

RGH2012-2E

1.25 mm

CRCW120610K0JNEAIF

Vishay Intertechnology

FIXED RESISTOR

SURFACE MOUNT

10000 ohm

.25 W

155 Cel

5 %

70 Cel

METAL GLAZE/THICK FILM

Rectangular

TR, PAPER, 7 INCH

1206

2

SMT

WRAPAROUND

-55 Cel

200

MATTE TIN OVER NICKEL

.55 mm

200 V

RATED AC VOLTAGE (V): 200

3.2 mm

e3

AEC-Q200

1.6 mm

RP73D2B100KBTG

TE Connectivity

FIXED RESISTOR

SURFACE MOUNT

100000 ohm

.25 W

155 Cel

.1 %

70 Cel

THIN FILM

RECTANGULAR PACKAGE

Rectangular

TAPE

1206

2

SMT

WRAPAROUND

3.05mm x 1.55mm x .55mm

-55 Cel

15

MATTE TIN OVER NICKEL

.55 mm

200 V

PRECISION

3.05 mm

e3

1.55 mm

RP73D2B11K5BTG

TE Connectivity

FIXED RESISTOR

SURFACE MOUNT

11500 ohm

.25 W

155 Cel

.1 %

70 Cel

THIN FILM

RECTANGULAR PACKAGE

Rectangular

TAPE

1206

2

SMT

WRAPAROUND

3.05mm x 1.55mm x .55mm

-55 Cel

15

MATTE TIN OVER NICKEL

.55 mm

200 V

PRECISION

3.05 mm

e3

1.55 mm

RP73D2B12R4BTG

TE Connectivity

FIXED RESISTOR

SURFACE MOUNT

12.4 ohm

.25 W

155 Cel

.1 %

70 Cel

THIN FILM

RECTANGULAR PACKAGE

Rectangular

TAPE

1206

2

SMT

WRAPAROUND

3.2mm x 1.6mm x .6mm

-55 Cel

15

MATTE TIN OVER NICKEL

.55 mm

200 V

PRECISION

3.05 mm

e3

1.55 mm

RP73D2B25R5BTG

TE Connectivity

FIXED RESISTOR

SURFACE MOUNT

25.5 ohm

.25 W

155 Cel

.1 %

70 Cel

THIN FILM

RECTANGULAR PACKAGE

Rectangular

TAPE

1206

2

SMT

WRAPAROUND

3.05mm x 1.55mm x .55mm

-55 Cel

15

MATTE TIN OVER NICKEL

.55 mm

200 V

PRECISION

3.05 mm

e3

1.55 mm

RP73D2B261RBTG

TE Connectivity

FIXED RESISTOR

SURFACE MOUNT

261 ohm

.25 W

155 Cel

.1 %

70 Cel

THIN FILM

RECTANGULAR PACKAGE

Rectangular

TAPE

1206

2

SMT

WRAPAROUND

3.05mm x 1.55mm x .55mm

-55 Cel

15

MATTE TIN OVER NICKEL

.55 mm

200 V

PRECISION

3.05 mm

e3

1.55 mm

RP73D2B274RBTG

TE Connectivity

FIXED RESISTOR

SURFACE MOUNT

274 ohm

.25 W

155 Cel

.1 %

70 Cel

THIN FILM

RECTANGULAR PACKAGE

Rectangular

TAPE

1206

2

SMT

WRAPAROUND

3.05mm x 1.55mm x .55mm

-55 Cel

15

MATTE TIN OVER NICKEL

.55 mm

200 V

PRECISION

3.05 mm

e3

1.55 mm

RP73D2B2K0BTG

TE Connectivity

FIXED RESISTOR

SURFACE MOUNT

2000 ohm

.25 W

155 Cel

.1 %

70 Cel

THIN FILM

RECTANGULAR PACKAGE

Rectangular

TAPE

1206

2

SMT

WRAPAROUND

3.05mm x 1.55mm x .55mm

-55 Cel

15

MATTE TIN OVER NICKEL

.55 mm

200 V

PRECISION

3.05 mm

e3

1.55 mm

RP73D2B34KBTG

TE Connectivity

FIXED RESISTOR

SURFACE MOUNT

34000 ohm

.25 W

155 Cel

.1 %

70 Cel

THIN FILM

RECTANGULAR PACKAGE

Rectangular

TAPE

1206

2

SMT

WRAPAROUND

3.05mm x 1.55mm x .55mm

-55 Cel

15

MATTE TIN OVER NICKEL

.55 mm

200 V

PRECISION

3.05 mm

e3

1.55 mm

RP73D2B3K48BTG

TE Connectivity

FIXED RESISTOR

SURFACE MOUNT

3480 ohm

.25 W

155 Cel

.1 %

70 Cel

THIN FILM

RECTANGULAR PACKAGE

Rectangular

TAPE

1206

2

SMT

WRAPAROUND

3.05mm x 1.55mm x .55mm

-55 Cel

15

MATTE TIN OVER NICKEL

.55 mm

200 V

PRECISION

3.05 mm

e3

1.55 mm

RP73D2B3K92BTG

TE Connectivity

FIXED RESISTOR

SURFACE MOUNT

3920 ohm

.25 W

155 Cel

.1 %

70 Cel

THIN FILM

RECTANGULAR PACKAGE

Rectangular

TAPE

1206

2

SMT

WRAPAROUND

3.05mm x 1.55mm x .55mm

-55 Cel

15

MATTE TIN OVER NICKEL

.55 mm

200 V

PRECISION

3.05 mm

e3

1.55 mm

RP73D2B402RBTG

TE Connectivity

FIXED RESISTOR

SURFACE MOUNT

402 ohm

.25 W

155 Cel

.1 %

70 Cel

THIN FILM

RECTANGULAR PACKAGE

Rectangular

TAPE

1206

2

SMT

WRAPAROUND

3.05mm x 1.55mm x .55mm

-55 Cel

15

MATTE TIN OVER NICKEL

.55 mm

200 V

PRECISION

3.05 mm

e3

1.55 mm

RP73D2B453KBTG

TE Connectivity

FIXED RESISTOR

SURFACE MOUNT

453000 ohm

.25 W

155 Cel

.1 %

70 Cel

THIN FILM

RECTANGULAR PACKAGE

Rectangular

TAPE

1206

2

SMT

WRAPAROUND

3.05mm x 1.55mm x .55mm

-55 Cel

15

MATTE TIN OVER NICKEL

.55 mm

200 V

PRECISION

3.05 mm

e3

1.55 mm

RP73D2B499KBTG

TE Connectivity

FIXED RESISTOR

SURFACE MOUNT

499000 ohm

.25 W

155 Cel

.1 %

70 Cel

THIN FILM

RECTANGULAR PACKAGE

Rectangular

TAPE

1206

2

SMT

WRAPAROUND

3.05mm x 1.55mm x .55mm

-55 Cel

15

MATTE TIN OVER NICKEL

.55 mm

200 V

PRECISION

3.05 mm

e3

1.55 mm

RP73D2B4K64BTG

TE Connectivity

FIXED RESISTOR

SURFACE MOUNT

4640 ohm

.25 W

155 Cel

.1 %

70 Cel

THIN FILM

RECTANGULAR PACKAGE

Rectangular

TAPE

1206

2

SMT

WRAPAROUND

3.05mm x 1.55mm x .55mm

-55 Cel

15

MATTE TIN OVER NICKEL

.55 mm

200 V

PRECISION

3.05 mm

e3

1.55 mm

RP73D2B64K9BTG

TE Connectivity

FIXED RESISTOR

SURFACE MOUNT

64900 ohm

.25 W

155 Cel

.1 %

70 Cel

THIN FILM

RECTANGULAR PACKAGE

Rectangular

TAPE

1206

2

SMT

WRAPAROUND

3.05mm x 1.55mm x .55mm

-55 Cel

15

MATTE TIN OVER NICKEL

.55 mm

200 V

PRECISION

3.05 mm

e3

1.55 mm

RP73D2B887KBTG

TE Connectivity

FIXED RESISTOR

SURFACE MOUNT

887000 ohm

.25 W

155 Cel

.1 %

70 Cel

THIN FILM

RECTANGULAR PACKAGE

Rectangular

TAPE

1206

2

SMT

WRAPAROUND

3.05mm x 1.55mm x .55mm

-55 Cel

15

MATTE TIN OVER NICKEL

.55 mm

200 V

PRECISION

3.05 mm

e3

1.55 mm

D55342E07B100BRWS

Vishay Intertechnology

FIXED RESISTOR

SURFACE MOUNT

100000 ohm

.25 W

150 Cel

.1 %

70 Cel

THIN FILM

RECTANGULAR PACKAGE

Rectangular

Waffle Pack

1206

2

SMT

WRAPAROUND

-65 Cel

25

Tin/Lead (Sn90Pb10) - with Nickel (Ni) barrier

.8382 mm

100 V

NON-INDUCTIVE

3.2004 mm

e0

MIL-PRF-55342

1.6002 mm

D55342E07B100ERT1

Vishay Intertechnology

FIXED RESISTOR

SURFACE MOUNT

100000 ohm

.25 W

150 Cel

1 %

70 Cel

THIN FILM

RECTANGULAR PACKAGE

Rectangular

TR

1206

2

SMT

WRAPAROUND

-65 Cel

25

Tin/Lead (Sn90Pb10) - with Nickel (Ni) barrier

.8382 mm

100 V

NON-INDUCTIVE

3.2004 mm

e0

MIL-PRF-55342

1.6002 mm

D55342E07B109ART1

Vishay Intertechnology

FIXED RESISTOR

SURFACE MOUNT

109 ohm

.25 W

150 Cel

.1 %

70 Cel

THIN FILM

RECTANGULAR PACKAGE

Rectangular

TR

1206

2

SMT

WRAPAROUND

-65 Cel

25

Tin/Lead (Sn90Pb10) - with Nickel (Ni) barrier

.8382 mm

100 V

NON-INDUCTIVE

3.2004 mm

e0

MIL-PRF-55342

1.6002 mm

D55342E07B10B0RBS

Vishay Intertechnology

FIXED RESISTOR

SURFACE MOUNT

10000 ohm

.25 W

150 Cel

.1 %

70 Cel

THIN FILM

RECTANGULAR PACKAGE

Rectangular

Bulk

1206

2

SMT

WRAPAROUND

-65 Cel

25

Tin/Lead (Sn90Pb10) - with Nickel (Ni) barrier

.8382 mm

100 V

NON-INDUCTIVE

3.2004 mm

e0

MIL-PRF-55342

1.6002 mm

D55342E07B145ART1

Vishay Intertechnology

FIXED RESISTOR

SURFACE MOUNT

145 ohm

.25 W

150 Cel

.1 %

70 Cel

THIN FILM

RECTANGULAR PACKAGE

Rectangular

TR

1206

2

SMT

WRAPAROUND

-65 Cel

25

Tin/Lead (Sn90Pb10) - with Nickel (Ni) barrier

.8382 mm

100 V

NON-INDUCTIVE

3.2004 mm

e0

MIL-PRF-55342

1.6002 mm

D55342E07B165BRBS

Vishay Intertechnology

FIXED RESISTOR

SURFACE MOUNT

165000 ohm

.25 W

150 Cel

.1 %

70 Cel

THIN FILM

RECTANGULAR PACKAGE

Rectangular

Bulk

1206

2

SMT

WRAPAROUND

-65 Cel

25

Tin/Lead (Sn90Pb10) - with Nickel (Ni) barrier

.8382 mm

100 V

NON-INDUCTIVE

3.2004 mm

e0

MIL-PRF-55342

1.6002 mm

D55342E07B165BRT5

Vishay Intertechnology

FIXED RESISTOR

SURFACE MOUNT

165000 ohm

.25 W

150 Cel

.1 %

70 Cel

THIN FILM

RECTANGULAR PACKAGE

Rectangular

TR

1206

2

SMT

WRAPAROUND

-65 Cel

25

Tin/Lead (Sn90Pb10) - with Nickel (Ni) barrier

.8382 mm

100 V

NON-INDUCTIVE

3.2004 mm

e0

MIL-PRF-55342

1.6002 mm

D55342E07B165BRWS

Vishay Intertechnology

FIXED RESISTOR

SURFACE MOUNT

165000 ohm

.25 W

150 Cel

.1 %

70 Cel

THIN FILM

RECTANGULAR PACKAGE

Rectangular

Waffle Pack

1206

2

SMT

WRAPAROUND

-65 Cel

25

Tin/Lead (Sn90Pb10) - with Nickel (Ni) barrier

.8382 mm

100 V

NON-INDUCTIVE

3.2004 mm

e0

MIL-PRF-55342

1.6002 mm

D55342E07B17B2MWS

Vishay Intertechnology

FIXED RESISTOR

SURFACE MOUNT

17200 ohm

.25 W

150 Cel

.1 %

70 Cel

THIN FILM

RECTANGULAR PACKAGE

Rectangular

Waffle Pack

1206

2

SMT

WRAPAROUND

-65 Cel

25

Tin/Lead (Sn90Pb10) - with Nickel (Ni) barrier

.8382 mm

100 V

NON-INDUCTIVE

3.2004 mm

e0

MIL-PRF-55342

1.6002 mm

D55342E07B17B2RWS

Vishay Intertechnology

FIXED RESISTOR

SURFACE MOUNT

17200 ohm

.25 W

150 Cel

.1 %

70 Cel

THIN FILM

RECTANGULAR PACKAGE

Rectangular

Waffle Pack

1206

2

SMT

WRAPAROUND

-65 Cel

25

Tin/Lead (Sn90Pb10) - with Nickel (Ni) barrier

.8382 mm

100 V

NON-INDUCTIVE

3.2004 mm

e0

MIL-PRF-55342

1.6002 mm

D55342E07B18B9RWS

Vishay Intertechnology

FIXED RESISTOR

SURFACE MOUNT

18900 ohm

.25 W

150 Cel

.1 %

70 Cel

THIN FILM

RECTANGULAR PACKAGE

Rectangular

Waffle Pack

1206

2

SMT

WRAPAROUND

-65 Cel

25

Tin/Lead (Sn90Pb10) - with Nickel (Ni) barrier

.8382 mm

100 V

NON-INDUCTIVE

3.2004 mm

e0

MIL-PRF-55342

1.6002 mm

D55342E07B1B11PWS

Vishay Intertechnology

FIXED RESISTOR

SURFACE MOUNT

1110 ohm

.25 W

150 Cel

.1 %

70 Cel

THIN FILM

RECTANGULAR PACKAGE

Rectangular

Waffle Pack

1206

2

SMT

WRAPAROUND

-65 Cel

25

Tin/Lead (Sn90Pb10) - with Nickel (Ni) barrier

.8382 mm

100 V

NON-INDUCTIVE

3.2004 mm

e0

MIL-PRF-55342

1.6002 mm

D55342E07B1B11RWS

Vishay Intertechnology

FIXED RESISTOR

SURFACE MOUNT

1110 ohm

.25 W

150 Cel

.1 %

70 Cel

THIN FILM

RECTANGULAR PACKAGE

Rectangular

Waffle Pack

1206

2

SMT

WRAPAROUND

-65 Cel

25

Tin/Lead (Sn90Pb10) - with Nickel (Ni) barrier

.8382 mm

100 V

NON-INDUCTIVE

3.2004 mm

e0

MIL-PRF-55342

1.6002 mm

D55342E07B1C00RT5

Vishay Intertechnology

FIXED RESISTOR

SURFACE MOUNT

1000000 ohm

.25 W

150 Cel

.1 %

70 Cel

THIN FILM

RECTANGULAR PACKAGE

Rectangular

TR

1206

2

SMT

WRAPAROUND

-65 Cel

25

Tin/Lead (Sn90Pb10) - with Nickel (Ni) barrier

.8382 mm

100 V

NON-INDUCTIVE

3.2004 mm

e0

MIL-PRF-55342

1.6002 mm

D55342E07B1E00RT5

Vishay Intertechnology

FIXED RESISTOR

SURFACE MOUNT

1000 ohm

.25 W

150 Cel

1 %

70 Cel

THIN FILM

RECTANGULAR PACKAGE

Rectangular

TR

1206

2

SMT

WRAPAROUND

-65 Cel

25

Tin/Lead (Sn90Pb10) - with Nickel (Ni) barrier

.8382 mm

100 V

NON-INDUCTIVE

3.2004 mm

e0

MIL-PRF-55342

1.6002 mm

D55342E07B21B5RT5

Vishay Intertechnology

FIXED RESISTOR

SURFACE MOUNT

21500 ohm

.25 W

150 Cel

.1 %

70 Cel

THIN FILM

RECTANGULAR PACKAGE

Rectangular

TR

1206

2

SMT

WRAPAROUND

-65 Cel

25

Tin/Lead (Sn90Pb10) - with Nickel (Ni) barrier

.8382 mm

100 V

NON-INDUCTIVE

3.2004 mm

e0

MIL-PRF-55342

1.6002 mm

D55342E07B21B5RWS

Vishay Intertechnology

FIXED RESISTOR

SURFACE MOUNT

21500 ohm

.25 W

150 Cel

.1 %

70 Cel

THIN FILM

RECTANGULAR PACKAGE

Rectangular

Waffle Pack

1206

2

SMT

WRAPAROUND

-65 Cel

25

Tin/Lead (Sn90Pb10) - with Nickel (Ni) barrier

.8382 mm

100 V

NON-INDUCTIVE

3.2004 mm

e0

MIL-PRF-55342

1.6002 mm

D55342E07B22B1PT1

Vishay Intertechnology

FIXED RESISTOR

SURFACE MOUNT

22100 ohm

.25 W

150 Cel

.1 %

70 Cel

THIN FILM

RECTANGULAR PACKAGE

Rectangular

TR

1206

2

SMT

WRAPAROUND

-65 Cel

25

Tin/Lead (Sn90Pb10) - with Nickel (Ni) barrier

.8382 mm

100 V

NON-INDUCTIVE

3.2004 mm

e0

MIL-PRF-55342

1.6002 mm

D55342E07B249ARBS

Vishay Intertechnology

FIXED RESISTOR

SURFACE MOUNT

249 ohm

.25 W

150 Cel

.1 %

70 Cel

THIN FILM

RECTANGULAR PACKAGE

Rectangular

Bulk

1206

2

SMT

WRAPAROUND

-65 Cel

25

Tin/Lead (Sn90Pb10) - with Nickel (Ni) barrier

.8382 mm

100 V

NON-INDUCTIVE

3.2004 mm

e0

MIL-PRF-55342

1.6002 mm

D55342E07B271BRWS

Vishay Intertechnology

FIXED RESISTOR

SURFACE MOUNT

271000 ohm

.25 W

150 Cel

.1 %

70 Cel

THIN FILM

RECTANGULAR PACKAGE

Rectangular

Waffle Pack

1206

2

SMT

WRAPAROUND

-65 Cel

25

Tin/Lead (Sn90Pb10) - with Nickel (Ni) barrier

.8382 mm

100 V

NON-INDUCTIVE

3.2004 mm

e0

MIL-PRF-55342

1.6002 mm

D55342E07B2B46RWS

Vishay Intertechnology

FIXED RESISTOR

SURFACE MOUNT

2460 ohm

.25 W

150 Cel

.1 %

70 Cel

THIN FILM

RECTANGULAR PACKAGE

Rectangular

Waffle Pack

1206

2

SMT

WRAPAROUND

-65 Cel

25

Tin/Lead (Sn90Pb10) - with Nickel (Ni) barrier

.8382 mm

100 V

NON-INDUCTIVE

3.2004 mm

e0

MIL-PRF-55342

1.6002 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.