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 Automotive Standard Temperature Coefficient Termination Style Package/Case Dimensions Length
RS Stock No. 707-7666
BrandRS PRO
$0.046
Each (In a Pack of 10)
units
1 kΩ 0.25W - ±5% Carbon Film - RS Ceramic - -500 → +350ppm/°C Axial - 2.3 (Dia.) x 6.3mm 6.3mm
RS Stock No. 125-1159
Mfr. Part No.LR1F1K0
$0.232
Each (In a Bag of 20)
units
1 kΩ 0.6W - ±1% Metal Film - LR1 - - ±50ppm/°C Axial - 2.3 (Dia.) x 6.2mm 6.2mm
RS Stock No. 148-506
Mfr. Part No.LR1F1K0
$0.041
Each (In a Pack of 10)
units
1 kΩ 0.6W - ±1% Metal Film - LR1 - - ±50ppm/°C Axial - 2.3 (Dia.) x 6.2mm 6.2mm
RS Stock No. 707-7745
BrandRS PRO
$0.033
Each (In a Pack of 10)
units
10 kΩ 0.25W - ±5% Carbon Film - RS Ceramic - -500 → +350ppm/°C Axial - 2.3 (Dia.) x 6.3mm 6.3mm
RS Stock No. 739-7538
BrandRS PRO
$0.009
Each (In a Pack of 5000)
units
10 kΩ 0.25W - ±5% Carbon Film - RS Ceramic - -500 → +350ppm/°C Axial - 2.3 (Dia.) x 6.3mm 6.3mm
RS Stock No. 125-1155
Mfr. Part No.LR1F100R
$0.232
Each (In a Bag of 20)
units
100 Ω 0.6W - ±1% Metal Film - LR1 - - ±50ppm/°C Axial - 2.3 (Dia.) x 6.2mm 6.2mm
RS Stock No. 125-1168
Mfr. Part No.LR1F100K
$0.232
Each (In a Bag of 20)
units
100 kΩ 0.6W - ±1% Metal Film - LR1 - - ±50ppm/°C Axial - 2.3 (Dia.) x 6.2mm 6.2mm
RS Stock No. 171-1691
Mfr. Part No.LR1F100K
$0.10
Each (In a Box of 100)
units
100 kΩ 0.6W - ±1% Metal Film - LR1 - - ±50ppm/°C Axial - 2.3 (Dia.) x 6.2mm 6.2mm
RS Stock No. 320-5012
Mfr. Part No.MP930-50.0-1%
BrandCaddock
$5.95
Each
units
50 Ω 30W - ±1% Power Film - MP930 Moulded - -20 → +80ppm/°C Radial TO-220 10.41 x 3.18 x 19.56mm 10.41mm
RS Stock No. 849-9013
Mfr. Part No.PTF65250R00AYEK
BrandVishay
$4.69
Each
units
250 Ω 0.25W - ±0.05% Metal Film - PTF65 Metal - ±10ppm/°C Axial - 3.68 (Dia.) x 12.07mm 12.07mm
RS Stock No. 135-4684
Mfr. Part No.UPW50B250RV
$9.925
Each (In a Box of 100)
units
250 Ω 0.5W - ±0.1% Wirewound - UPW50 - - ±3ppm/°C Wire Lead - 6.35 (Dia.) x 12.7mm 12.7mm
RS Stock No. 217-3201
Mfr. Part No.UPW50B250RV
$13.42
Each
units
250 Ω 0.5W - ±0.1% Wire Wound - UPW50 - - ±3ppm/°C Wire Lead - 6.35 (Dia.) x 12.7mm 12.7mm
RS Stock No. 125-1139
Mfr. Part No.CFR100J1K0
$0.245
Each (In a Bag of 20)
units
1 kΩ 1W - ±5% Carbon Film - CFR100 - - -1200 → 0ppm/°C Axial - 5 (Dia.) x 12mm 12mm
RS Stock No. 125-1154
Mfr. Part No.LR1F10R
$0.232
Each (In a Bag of 20)
units
10 Ω 0.6W - ±1% Metal Film - LR1 - - ±50ppm/°C Axial - 2.3 (Dia.) x 6.2mm 6.2mm
RS Stock No. 850-0696
Mfr. Part No.RN65C2500BB14
BrandVishay
$1.51
Each
units
250 Ω 0.5W - ±0.1% Metal Film - RN65 Metal - ±50ppm/°C Axial - 4.57 (Dia.) x 14.27mm 14.27mm
RS Stock No. 683-2755
Mfr. Part No.MRS16000C1802FCT00
BrandVishay
$0.131
Each (In a Pack of 25)
units
18 kΩ 0.4W - ±1% Thin Film - MRS16 Conformal - ±50ppm/°C Axial - 1.6 (Dia.) x 3.6mm 3.6mm
RS Stock No. 169-4995
Mfr. Part No.MRS16000C1802FCT00
BrandVishay
$193.39
1 Reel of 5000
Reel(s)
18 kΩ 0.4W - ±1% Thin Film - MRS16 Conformal - ±50ppm/°C Axial - 1.6 (Dia.) x 3.6mm 3.6mm
RS Stock No. 201-9832
Mfr. Part No.RCKO2 50R 0.01%
BrandVishay
$26.56
Each
units
50 Ω 0.5W - ±0.01% Metal Foil - RCK Moulded - ±2ppm/°C Radial - 7.5 x 2.5 x 8mm 7.5mm
RS Stock No. 125-1140
Mfr. Part No.CFR50J120R
$0.055
Each (In a Bag of 20)
units
120 Ω 0.5W - ±5% Carbon Film - CFR50 - - -1200 → 0ppm/°C Axial - 3 (Dia.) x 9mm 9mm
RS Stock No. 173-2912
Mfr. Part No.RCKO2 50R 0.01%
BrandVishay
$25.222
Each (In a Box of 1000)
units
50 Ω 0.5W - ±0.01% Metal Foil - RCK Moulded - ±2ppm/°C Radial - 7.5 x 2.5 x 8mm 7.5mm
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