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Standard Resistors

  • Alpha Electronics

Alpha USR-SF Series

  • Ultra-stable primary standard resistor
  • Resistance range from 1ฮฉ to 10Kฮฉ
  • Accuracy of ยฑ2 ppm
  • TCR of ยฑ0.05 ppm/ยฐC
  • Power rating of 1W
  • long-term stability of resistance 0.5 ppm/year
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  • Compliant
  • Alpha Electronics

Alpha ADR 1-Dial Series

  • Fully customisable 1-dial resistance box
  • Up to 24 unique 5-digit resistance values
  • Resistance range from 1ฮฉ up to 1Mฮฉ
  • Tolerance of ยฑ0.02%, ยฑ0.05% or ยฑ0.1%
  • TCR of ยฑ2.5 ppm/ยฐC or ยฑ5 ppm/ยฐC
  • Lightweight, compact size
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  • Compliant
  • Alpha Electronics

Alpha ADR 6-Dial Series

  • 6-Dial decade resistance box
  • Resistance range from 0.1ฮฉ up to 11.1111Mฮฉ
  • Accuracy down to โ‰ค0.005%
  • TCR of โ‰ค5 ppm/ยฐC
  • Power rating of 0.5W
  • Long-term stability in resistance โ‰ค50ppm/year
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  • Compliant
  • Alpha Electronics

Alpha ASR Series

  • Extremely stable primary standard resistor
  • Resistance range from 1ฮฉ to 10Mฮฉ
  • Accuracy of ยฑ5 ppm or ยฑ10 ppm
  • TCR of ยฑ0.2 ppm/ยฐC
  • Power rating of 0.5W or 0.1W
  • long-term stability of resistance <3 ppm/year
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  • Compliant
  • Alpha Electronics

Alpha ATS Series

  • Resistance transfer standard for calibrating standard resistors
  • Resistance range from 1ฮฉ up to 100Mฮฉ
  • Accuracy of ยฑ10ppm, ยฑ20ppm or ยฑ50ppm
  • TCR of ยฑ1 ppm/ยฐC, ยฑ5 ppm/ยฐC or ยฑ10 ppm/ยฐC
  • Power rating of 0.01W (per element)
  • Consists of 10 nominal value resistors
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  • Compliant
  • Alpha Electronics

Alpha ATV Series

  • Current / voltage conversion adaptor
  • Resistance range from 1ฮฉ to 100 kฮฉ
  • Accuracy of ยฑ0.1%
  • TCR of ยฑ2.5 ppm/ยฐC
  • Power rating of 0.1W or n0.25W (at +70ยฐC)
  • Maximum working current of 0.001A to 0.5A
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  • Compliant
  • Alpha Electronics

Alpha CSR Series

  • Extremely stable primary standard resistor
  • Resistance range from 0.001ฮฉ to 100Mฮฉ
  • Accuracy from ยฑ5 ppm to ยฑ100 ppm
  • TCR from ยฑ1 ppm/ยฐC to ยฑ10 ppm/ยฐC
  • Power rating of 0.01W, 0.1W or 0.5W
  • Long-term stability of resistance from ยฑ5 ppm/year
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  • Compliant
  • Alpha Electronics

Alpha LSR Series

  • High power standard resistor
  • Nominal resistance values of 0.001ฮฉ, 0.01ฮฉ or 0.1ฮฉ
  • Accuracy of ยฑ25 ppm, ยฑ50 ppm or ยฑ100 ppm
  • TCR of ยฑ2.5 ppm/ยฐC
  • Power rating of 1W or 4W
  • Long-term stability better than 20 ppm/year
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  • Compliant
  • Alpha Electronics

Alpha MSR Series

  • Compact standard resistor for low resistance calibration
  • Lightweight, portable and easy to operate
  • Excellent performance versus cost
  • The resistive pattern is designed to minimize difference performance between AC and DC
  • Certificate of Calibration and Inspection sheets traceable to NMIJ (National Metrology Institute of Japan) are provided only for DC operation at shipment
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Datasheet
  • Compliant

Alpha USR-SF Series

  • Ultra-stable primary standard resistor
  • Resistance range from 1ฮฉ to 10Kฮฉ
  • Accuracy of ยฑ2 ppm
  • TCR of ยฑ0.05 ppm/ยฐC
  • Power rating of 1W
  • long-term stability of resistance 0.5 ppm/year
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Alpha ADR 1-Dial Series

  • Fully customisable 1-dial resistance box
  • Up to 24 unique 5-digit resistance values
  • Resistance range from 1ฮฉ up to 1Mฮฉ
  • Tolerance of ยฑ0.02%, ยฑ0.05% or ยฑ0.1%
  • TCR of ยฑ2.5 ppm/ยฐC or ยฑ5 ppm/ยฐC
  • Lightweight, compact size
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Alpha ADR 6-Dial Series

  • 6-Dial decade resistance box
  • Resistance range from 0.1ฮฉ up to 11.1111Mฮฉ
  • Accuracy down to โ‰ค0.005%
  • TCR of โ‰ค5 ppm/ยฐC
  • Power rating of 0.5W
  • Long-term stability in resistance โ‰ค50ppm/year
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Alpha ASR Series

  • Extremely stable primary standard resistor
  • Resistance range from 1ฮฉ to 10Mฮฉ
  • Accuracy of ยฑ5 ppm or ยฑ10 ppm
  • TCR of ยฑ0.2 ppm/ยฐC
  • Power rating of 0.5W or 0.1W
  • long-term stability of resistance <3 ppm/year
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Alpha ATS Series

  • Resistance transfer standard for calibrating standard resistors
  • Resistance range from 1ฮฉ up to 100Mฮฉ
  • Accuracy of ยฑ10ppm, ยฑ20ppm or ยฑ50ppm
  • TCR of ยฑ1 ppm/ยฐC, ยฑ5 ppm/ยฐC or ยฑ10 ppm/ยฐC
  • Power rating of 0.01W (per element)
  • Consists of 10 nominal value resistors
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Alpha ATV Series

  • Current / voltage conversion adaptor
  • Resistance range from 1ฮฉ to 100 kฮฉ
  • Accuracy of ยฑ0.1%
  • TCR of ยฑ2.5 ppm/ยฐC
  • Power rating of 0.1W or n0.25W (at +70ยฐC)
  • Maximum working current of 0.001A to 0.5A
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Alpha CSR Series

  • Extremely stable primary standard resistor
  • Resistance range from 0.001ฮฉ to 100Mฮฉ
  • Accuracy from ยฑ5 ppm to ยฑ100 ppm
  • TCR from ยฑ1 ppm/ยฐC to ยฑ10 ppm/ยฐC
  • Power rating of 0.01W, 0.1W or 0.5W
  • Long-term stability of resistance from ยฑ5 ppm/year
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Alpha LSR Series

  • High power standard resistor
  • Nominal resistance values of 0.001ฮฉ, 0.01ฮฉ or 0.1ฮฉ
  • Accuracy of ยฑ25 ppm, ยฑ50 ppm or ยฑ100 ppm
  • TCR of ยฑ2.5 ppm/ยฐC
  • Power rating of 1W or 4W
  • Long-term stability better than 20 ppm/year
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Alpha MSR Series

  • Compact standard resistor for low resistance calibration
  • Lightweight, portable and easy to operate
  • Excellent performance versus cost
  • The resistive pattern is designed to minimize difference performance between AC and DC
  • Certificate of Calibration and Inspection sheets traceable to NMIJ (National Metrology Institute of Japan) are provided only for DC operation at shipment
View Product

Manufacturers

Looking for Standard Resistors?

The below manufacturers are all of our authorised partners that produce Standard Resistors or related products.
Alpha Electronics

Standard Resistors

Here at Rhopoint Components, we offer a range of high-quality standard resistors for calibration and measurement use. Manufactured by two of the industry leaders on the precision resistor market – Alpha Electronics and Isabellenhuette, our standard resistors are available in several configurations and second-to-none stability and reliability.