Through Hole Fixed Resistors

Through hole fixed resistors are used to reduce the flow of electrical current within a circuit. As fixed resistors, they have predetermined values (voltage range compatibilities), unlike variable resistorswhere the voltage range values can be adjusted.

Through hole fixed resistors are constructed from metal film for general usage or carbon film for devices that require high tolerance. They have long, pliable leads that are inserted (either automatically or manually) into holes in printed circuit boards.

What are through hole fixed resistors used for?

Through hole fixed resistors are used in the automotive, telecommunication and medical equipment industries. They are most suitable for larger circuit boards and prototyping projects where no soldering is required.


Types of through hole fixed resistors

The most common types of through hole fixed resistors are wire wound and axial components:

  • Axial packages have flat profiles and cylindrical or box-shaped formats with leads on both ends. They are used for short distance applications.
  • Wire wound resistors have metal wires wrapped around cores made from ceramic, plastic or fibreglass, which give them higher power ratings.

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Description Price Resistance Power Rating Composition Tolerance Technology Axial/Radial Series Case Style Temperature Coefficient Automotive Standard Termination Style Package/Case Dimensions Length
RS Stock No. 351-1503
Mfr. Part No.MCY100R00T
BrandAlpha
£18.77
Each
Units
100Ω 0.3W - ±0.01% - - MCY - - - - - - -
RS Stock No. 335-224
Mfr. Part No.PCY1R0000B
BrandAlpha
£97.29
Each
Units
2W - ±0.1% Power Film - PCY - - - - - - -
RS Stock No. 335-129
Mfr. Part No.FLCX100R00A
BrandAlpha
£4.72
Each
Units
100Ω 0.25W - ±0.05% - - FLC - - - - - - -
RS Stock No. 335-135
Mfr. Part No.FLCX500R00A
BrandAlpha
£4.72
Each
Units
500Ω 0.25W - ±0.05% - - FLC - - - - - - -
RS Stock No. 335-034
Mfr. Part No.FLAX1K0000A
BrandAlpha
£3.95
Each
Units
1kΩ 0.125W - ±0.05% - - FLA - - - - - - -
RS Stock No. 335-078
Mfr. Part No.FLAX20K000A
BrandAlpha
£3.84
Each
Units
20kΩ 0.125W - ±0.05% - - FLA - - - - - - -
RS Stock No. 351-1597
Mfr. Part No.MCY100K00T
BrandAlpha
£38.64
Each
Units
100kΩ 0.3W - ±0.01% - - MCY - - - - - - -
RS Stock No. 335-145
Mfr. Part No.FLCX1K0000A
BrandAlpha
£4.72
Each
Units
1kΩ 0.25W - ±0.05% - - FLC - - - - - - -
RS Stock No. 335-208
Mfr. Part No.PCYR20000B
BrandAlpha
£57.84
Each
Units
200mΩ 2W - ±0.1% Power Film - PCY - - - - - - -
RS Stock No. 335-163
Mfr. Part No.FLCX50K000A
BrandAlpha
£6.26
Each
Units
50kΩ 0.25W - ±0.05% - - FLC - - - - - - -
RS Stock No. 335-157
Mfr. Part No.FLCX10K000A
BrandAlpha
£4.72
Each
Units
10kΩ 0.25W - ±0.05% - - FLC - - - - - - -
RS Stock No. 335-090
Mfr. Part No.FLAX100K00A
BrandAlpha
£9.44
Each
Units
100kΩ 0.125W - ±0.05% - - FLA - - - - - - -
RS Stock No. 411-8745
Mfr. Part No.PDY10R000A
BrandAlpha
£53.32
Each
Units
10Ω 1.5W - ±0.05% Power Film - PD - - - - TO-220 - -
RS Stock No. 335-028
Mfr. Part No.FLAX100R00A
BrandAlpha
£3.84
Each
Units
100Ω 0.125W - ±0.05% - - FLA - - - - - - -
RS Stock No. 335-179
Mfr. Part No.PCWR00200D
BrandAlpha
£43.11
Each
Units
2mΩ 2W - ±0.5% Power Film - PCW - - - - - - -
RS Stock No. 335-214
Mfr. Part No.PCYR50000B
BrandAlpha
£57.84
Each
Units
500mΩ 2W - ±0.1% Power Film - PCY - - - - - - -
RS Stock No. 335-185
Mfr. Part No.PCWR01000D
BrandAlpha
£43.11
Each
Units
10mΩ 2W - ±0.5% Power Film - PCW - - - - - - -
RS Stock No. 335-242
Mfr. Part No.PCY10R000B
BrandAlpha
£88.74
Each
Units
10Ω 2W - ±0.1% Power Film - PCY - - - - - - -
RS Stock No. 411-8751
Mfr. Part No.PDY100R00A
BrandAlpha
£43.50
Each
Units
100Ω 1.5W - ±0.05% Power Film - PD - - - - TO-220 - -
RS Stock No. 335-141
Mfr. Part No.FLCX2K0000A
BrandAlpha
£4.47
Each
Units
2kΩ 0.25W - ±0.05% - - FLC - - - - - - -