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High-Voltage Resistors

SRT CDV Series

The SRT CDV Series high‑voltage thick film chip resistor dividers in 2512 and 4020 chip sizes offer R1 values up to 1 GΩ, divider ratios to 1000:1 and maximum working voltages up to 4,000 V. Low TCR options, non‑magnetic variants and a no‑organics design support precise operation in demanding high‑voltage and high‑vacuum applications.

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SRT CDV 4020

Resi HVLR Series

High voltage thick film resistor with up to 48kV operating voltage, 1kΩ to 1GΩ resistance range and axial mounting for reliable HV circuit design.

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Resi SOTC0227 Series

High power thick film resistor with up to 300W rating, wide resistance range and robust SMD design for load, regulation and high-energy applications.

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Caddock MG -15 Range

Cylindrical high voltage axial leaded resistor
Maximum operating voltage from 960V up to 48kV *
Resistance values from 6.5MΩ up to 2GΩ *
Tolerances of ±1% and ±5%
TCR as tight as ±80 ppm/°C from -15°C to +105°C
Maximum power rating from 0.5W up to 15W *
Operating Temperature Range of -55°C to +225°C

_{* Dependant on selected resistor model}

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Caddock MG Series-1

Caddock MG Extended Range

Cylindrical high voltage axial leaded resistor
Maximum operating voltage from 2kV up to 30kV *
Resistance values from 600Ω up to 10GΩ *
Tolerances of ±1% and ±5%
TCR as tight as ±80 ppm/°C from +25°C to +105°C
Operating Temperature Range of -55°C to +225°C
Maximum power rating from 1.5W up to 15W *

_{* Dependant on selected resistor model}

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Caddock MG Series-1

Caddock MG Standard Range

Cylindrical high voltage axial leaded resistor
Maximum operating voltage from 600V up to 30kV *
Resistance values from 200Ω up to 2GΩ *
Tolerances of ±0.1%, ±0.25%, ±0.5% and ±1%
TCR as tight as ±80 ppm/°C from -15°C to +105°C
Maximum power rating from 0.5W up to 15W *
Operating Temperature Range of -55°C to +225°C

_{* Dependant on selected resistor model}

Download Datasheet

Caddock MG Series

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

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Caddock MM Series

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

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Caddock MX500

Caddock TG Series

Precision high voltage axial leaded through-hole resistor
Resistance range: 25 kΩ to 1,000 MΩ
Temperature coefficient: ±25 ppm/°C from -55°C to +125°C
Load life stability: 0.25% per 1,000 hours at +125°C
Resistance tolerance options: ±0.1%, ±0.25%, ±0.5%, ±1%
Maximum continuous operating voltage up to 30 kV
-15 series increases maximum voltage by 60%

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Caddock TG Series

Caddock USF240 Series

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
Temperature range from -40°C up to +85°C

Download Datasheet

Caddock USF240 Series

Caddock USF270 Series

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
Temperature range from -40°C up to +85°C

Download Datasheet

Caddock USF270 Series

Caddock USF271 Series

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
Temperature range from -40°C up to +85°C

Download Datasheet

Caddock USF271 Series

Caddock USF340 Series

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
Temperature range from -40°C up to +85°C

Download Datasheet

Caddock USF340 Series

Caddock USF370 Series

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
Temperature range from -40°C up to +85°C

Download Datasheet

Caddock USF370 Series

Caddock USF371 Series

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
Temperature range from -40°C up to +85°C

Download Datasheet

Caddock USF371 Series

Caddock USFS Series

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

Download Datasheet

Caddock USFS Series

SRT CDV Series

High-voltage thick film chip resistor divider

The SRT CDV Series high‑voltage thick film chip resistor dividers in 2512 and 4020 chip sizes offer R1 values up… Read More

Resi HVLR Series

Planar Non-inductive Power Resistor

High voltage thick film resistor with up to 48kV operating voltage, 1kΩ to 1GΩ resistance range and axial mounting for… Read More

Resi SOTC0227 Series

Planar Non-inductive Power Resistor

High power thick film resistor with up to 300W rating, wide resistance range and robust SMD design for load, regulation… Read More

Caddock MG -15 Range

Precision High Voltage Resistors

Cylindrical high voltage axial leaded resistor
Maximum operating voltage from 960V up to 48kV *
Resistance values from 6.5MΩ… Read More

Caddock MG Extended Range

Precision High Voltage Resistors

Cylindrical high voltage axial leaded resistor
Maximum operating voltage from 2kV up to 30kV *
Resistance values from 600Ω… Read More

Caddock MG Standard Range

Precision High Voltage Resistors

Cylindrical high voltage axial leaded resistor
Maximum operating voltage from 600V up to 30kV *
Resistance values from 200Ω… Read More

Caddock MM Series

Precision Film Resistors

Precision high voltage through-hole resistor
Maximum operating voltage from 200V up to 800V (standard series)
Utilises Caddock’s Micronox®… Read More

Caddock MX500 Series

Precision High Voltage Resistors

High ohmic high voltage axial leaded through-hole resistor
Maximum operating temperature up to +175°C
Utilises Caddock’s Micronox® resistance… Read More

Caddock TG Series

Low TC Precision High Voltage Resistors

Precision high voltage axial leaded through-hole resistor
Resistance range: 25 kΩ to 1,000 MΩ
Temperature coefficient: ±25 ppm/°C… Read More

Caddock USF240 Series

Ultra-Stable Low TC Ultra-Precision Film Resistors

Ultra-stable radial leaded film through-hole resistors
Constructed with two selected USF300 series resistors bonded back to back for… Read More

Caddock USF270 Series

Ultra-Stable Low TC Ultra-Precision Film Resistors

Ultra-stable radial leaded film through-hole resistors
Constructed with two selected USF300 series resistors bonded back to back for… Read More

Caddock USF271 Series

Ultra-Stable Low TC Ultra-Precision Film Resistors

Ultra-stable radial leaded film through-hole resistors
Constructed with two selected USF300 series resistors bonded back to back for… Read More

Caddock USF340 Series

Ultra-Stable Low TC Ultra-Precision Film Resistors

Ultra-stable radial leaded film through-hole resistors
Maximum working voltage of 300V
Ceramic package provides cool operation
Utilising Caddock’s… Read More

Caddock USF370 Series

Ultra-Stable Low TC Ultra-Precision Film Resistors

Ultra-stable radial leaded film through-hole resistors
Maximum working voltage of 1.4kV
Ceramic package provides cool operation
Utilising Caddock’s… Read More

Caddock USF371 Series

Ultra-Stable Low TC Ultra-Precision Film Resistors

Ultra-stable radial leaded film through-hole resistors
Maximum working voltage of 2.5kV
Ceramic package provides cool operation
Utilising Caddock’s… Read More

Caddock USFS Series

Ultra-Stable Low TC Ultra-Precision Film Resistors

Ultra-stable radial leaded film through-hole resistor sets
Sets are available with either 3 or 5 selected USF300 series… Read More

Manufacturers

Looking for High-Voltage Resistors?

The below manufacturers are all of our authorised partners that produce High-Voltage Resistors or related products.

SRT Resistor Technology

High-Voltage Resistors

Resistors rated by voltage as well as by power, for measurement dividers, discharge paths and high-voltage supply control. Creepage, tracking resistance and voltage coefficient are the properties that decide whether the part survives the application.