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High-Voltage Resistors

Caddock MG Series

  • Scientific Instrumentation
  • Precision high voltage through-hole resistor
  • Maximum operating voltage from 600V up to 30kV (standard series)
  • Utilises Caddock’s Micronox® resistance film for outstanding combination of performance
  • MG resistors have demonstrated stability of 0.01% per 1,000 hours in extended load life testing of standard resistance range
  • -15 series increases the maximum voltage ratings by 60% (48kV for the MG815 model)
  • Extended resistance range avilable on some models
  • Caddock
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Caddock ML Series

  • Precision high voltage through-hole resistor
  • Maximum operating voltage from 200V up to 600V (standard series)
  • Utilises Caddock’s Micronox® resistance film
  • Non-inductive performance available
  • Maximum operating temperature to +175°C
  • Extended life stability of 0.1% per 1,000 hours
  • Caddock
  • Non-compliant
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Caddock MM Series

  • Precision high voltage through-hole resistor
  • Maximum operating voltage from 200V up to 800V (standard series)
  • Utilises Caddock’s Micronox® resistance film
  • Non-inductive performance available
  • High power rating at +125°C
  • Maximum operating temperature to +275°C
  • Extended life stability of 0.1% per 1,000 hours
  • Caddock
  • Non-compliant
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Caddock MX500 Series

  • High ohmic high voltage axial leaded through-hole resistor
  • Maximum operating temperature up to +175°C
  • Utilises Caddock’s Micronox® resistance film
  • Five sizes and voltage ratings from 7.5kV up to 32kV
  • Utilises Caddock’s non-inductive design
  • Caddock
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Caddock TG Series

  • Scientific Instrumentation
  • Precision high voltage axial leaded through-hole resistor
  • Maximum operating voltage from 4kV up to 30kV (standard series)
  • Utilises Caddock’s Tetrinox® resistance film to achieve the unique combination of low TCR and high stability performance
  • Load life stability of 0.25% per 1,000 hours at +125°C
  • -15 series increases the maximum voltage ratings by 60% (48kV for the TG1015 model)
  • Maximum continuous operating temperature of +225°C
  • Caddock
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Caddock USF240 Series

  • Military
  • Power Control
  • Scientific Instrumentation
  • Test and Measurement
  • Ultra-stable radial leaded film through-hole resistors
  • Constructed with two selected USF300 series resistors bonded back to back for parallel connection on the PCB
  • Maximum working voltage of 300V
  • Ceramic package provides cool operation
  • Utilising Caddock’s proprietary resistance film systems
  • Available in standard resistance values most commonly used in precision analog design
  • Zero nominal TCR
  • Operating temperature range from -40°C up to +85°C
  • Caddock
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Caddock USF270 Series

  • Military
  • Power Control
  • Scientific Instrumentation
  • Test and Measurement
  • Ultra-stable radial leaded film through-hole resistors
  • Constructed with two selected USF300 series resistors bonded back to back for parallel connection on the PCB
  • Maximum working voltage of 1.4kV
  • Ceramic package provides cool operation
  • Utilising Caddock’s proprietary resistance film systems
  • Available in standard resistance values most commonly used in precision analog design
  • Zero nominal TCR
  • Operating temperature range from -40°C up to +85°C
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Caddock USF271 Series

  • Military
  • Power Control
  • Scientific Instrumentation
  • Test and Measurement
  • Ultra-stable radial leaded film through-hole resistors
  • Constructed with two selected USF300 series resistors bonded back to back for parallel connection on the PCB
  • Maximum working voltage of 2.5kV
  • Ceramic package provides cool operation
  • Utilising Caddock’s proprietary resistance film systems
  • Available in standard resistance values most commonly used in precision analog design
  • Zero nominal TCR
  • Operating temperature range from -40°C up to +85°C
  • Caddock
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Caddock USF340 Series

  • Military
  • Power Control
  • Scientific Instrumentation
  • Test and Measurement
  • Ultra-stable radial leaded film through-hole resistors
  • Maximum working voltage of 300V
  • Ceramic package provides cool operation
  • Utilising Caddock’s proprietary resistance film systems
  • Available in standard resistance values most commonly used in precision analog design
  • Zero nominal TCR
  • Operating temperature range from -40°C up to +85°C
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Caddock USF370 Series

  • Military
  • Power Control
  • Scientific Instrumentation
  • Test and Measurement
  • Ultra-stable radial leaded film through-hole resistors
  • Maximum working voltage of 1.4kV
  • Ceramic package provides cool operation
  • Utilising Caddock’s proprietary resistance film systems
  • Available in standard resistance values most commonly used in precision analog design
  • Zero nominal TCR
  • Operating temperature range from -40°C up to +85°C
  • Caddock
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Caddock USF371 Series

  • Military
  • Power Control
  • Scientific Instrumentation
  • Test and Measurement
  • Ultra-stable radial leaded film through-hole resistors
  • Maximum working voltage of 2.5kV
  • Ceramic package provides cool operation
  • Utilising Caddock’s proprietary resistance film systems
  • Available in standard resistance values most commonly used in precision analog design
  • Zero nominal TCR
  • Operating temperature range from -40°C up to +85°C
  • Caddock
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Caddock USFS Series

  • Military
  • Power Control
  • Scientific Instrumentation
  • Test and Measurement
  • Ultra-stable radial leaded film through-hole resistor sets
  • Sets are available with either 3 or 5 selected USF300 series resistors (model dependent)
  • Voltage coefficient as low as 0.005 ppm/V per resistor set (model dependent)
  • Ceramic package provides cool operation
  • Utilising Caddock’s proprietary resistance film systems
  • Available in 30MΩ, 50MΩ and 100MΩ sets
  • Multiple USFS selected resistor sets can be used in series to achieve higher total resistances and higher voltage ratings
  • Caddock
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Caddock USG1105 Series

  • Ultra-stable precision high voltage axial leaded film through-hole resistors
  • Typical load life stability 0.025% per 1,000 hours
  • Operating temperature -40°C to +85°C
  • Utilising Caddock’s Tetrinox® resistance film systems
  • Custom low TC HV strings are available: 50KV, 100KV, etc.
  • Caddock
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Caddock USG1110 Series

  • Ultra-stable precision high voltage axial leaded film through-hole resistors
  • Typical load life stability 0.025% per 1,000 hours
  • Operating temperature -40°C to +85°C
  • Utilising Caddock’s Tetrinox® resistance film systems
  • Custom low TC HV strings are available: 50KV, 100KV, etc.
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Caddock USG1115 Series

  • Ultra-stable precision high voltage axial leaded film through-hole resistors
  • Typical load life stability 0.025% per 1,000 hours
  • Operating temperature -40°C to +85°C
  • Utilising Caddock’s Tetrinox® resistance film systems
  • Custom low TC HV strings are available: 50KV, 100KV, etc.
  • Caddock
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Caddock USGS Series

  • Ultra-stable axial leaded film through-hole resistor sets
  • Sets are available with either 3 or 5 selected USG1110 series resistors (model dependent)
  • Voltage coefficient as low as 0.02 ppm/V per resistor set (model dependent)
  • Utilising Caddock’s Tetrinox® resistance film systems
  • Available in 300MΩ and 500MΩ sets
  • Multiple USGS selected resistor sets can be used in series to achieve higher total resistances and higher voltage ratings
  • Caddock
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Manufacturers

Looking for High-Voltage Resistors?

The below manufacturers are all of our authorised partners that produce High-Voltage Resistors or related products.
  • Caddock
  • Exxelia Ohmcraft
  • Riedon

High-Voltage Resistors

Browse our wide range of High Voltage resistors with a maximum voltage range from 150V to 30kV (Ohmcraft) 600V to 48kV (Caddock) and 5000V (Riedon). Available as through-hole and surface mount options, and with a wide range of voltage ratings, power ratings, tolerances and other variables, we can find the right solution for your project, however big or small.