Authorised Partner

About Caddock

Caddock Electronics Inc., founded in 1962, manufactures High-Performance Film Resistor Products including:

  • Non-Inductive Power Film Resistors
  • Current Sense Resistors in TO-Style, Axial Lead, Radial Lead and SMT packages
  • High Voltage Resistors
  • Voltage Dividers
  • Low TC Precision and Ultra-Precision Resistors
  • Resistor Networks
  • Transient Tolerant Precision Resistors
  • High-Temperature Resistors
  • RF Resistors
  • Matched Resistor Sets
  • Custom Resistor Devices

Caddock uses unique resistance film technologies and process technologies to create solutions for performance demanding applications. Their product line consists of over 250 models, all of which are manufactured at their facilities in Roseburg, Oregon USA.
The Caddock business focus is to develop and manage unique material and process technologies with a commitment to the conservative producibility of high-performance, high-quality resistor products that provide technical solutions for our customers.

For their official website, please visit www.caddock.com

  • Caddock
  • Precision voltage dividers
  • Resistance ranges from 900Ω to 10MΩ
  • Absolute Tolerance of +0 -0.5%, ±0.1% or ±0.25%
  • VCR from ±0.02 ppm/V to ±0.5 ppm/V
  • Voltage rating of 750V up to 1.2kV
  • Temperature range 1 from -40°C to +85°C Temperature range 2 from 0°C to +70°C
  • Caddock
  • Current sensing resistor network
  • Resistance ranges from 0.9Ω to 1kΩ
  • Absolute Tolerance of ±0.05%, ±0.1% or ±0.25%
  • TCR from ±50 ppm/°C to ±100 ppm/°C
  • Power rating of 1W depending on the model
  • Temperature range from -55°C to +85°C
  • Caddock
  • Precision resistor network
  • Resistance range from 0.5Ω to 10kΩ
  • Tolerance of ±0.05% to ±1.0%
  • TCR of ±50, ±80 or ±100 ppm/°C
  • Power rating of 100mW up to 2W per resistor
  • Temperature range from 0°C to +70°C
  • Caddock
  • Current sense resistor
  • Resistance range from 0.01Ω to 10Ω
  • Tolerance from ±1.0% to ±5.0%
  • TCR of -20 to +80, 0 to +200 or +300 ppm/°C
  • Power rating of 0.75W at 70°C
  • Temperature range from -55°C to +150°C
  • Caddock
  • Low resistance precision flip-chip surface-mount resistor
  • 2-terminal current sense resistor with recommended 4-terminal PCB layout
  • Chip size of 2520
  • Solder coated pads between 0.01Ω and 0.02Ω, solderable pads between 0.025Ω and 10Ω
  • Inductance of less than 5nH typical
  • Maximum chip temperature of +150°C
  • Temperature range of -55°C to +150°C
  • Caddock
  • Low resistance precision wire-bondable surface-mount resistor
  • Metalised back surface for soldering to a heat sink with bondable termination pads
  • 2-terminal current sense resistor with 4-terminal connections available (see datasheet for further details)
  • Chip size of 2520
  • Aluminium wire to be used for bonding
  • Inductance of less than 5nH typical
  • Maximum chip temperature of +150°C
  • Temperature range of -55°C to +150°C
  • Caddock
  • Low resistance precision flip-chip surface-mount resistor
  • Utilises the proven Caddock Micronox® resistance films to achieve the unique low resistance range
  • Pedestal terminal design helps maintain precision and its copper core provides heat spreading which enhances the high power handling capabilities
  • Chip size of 2015
  • Bare ceramic back surface
  • Inductance of less than 5nH typical
  • Maximum chip temperature of +150°C
  • Temperature range of -55°C to +150°C
  • Caddock
  • Low resistance precision wire-bondable surface-mount resistor
  • Utilises the proven Caddock Micronox® resistance films to achieve the unique low resistance range
  • Pedestal terminal design helps maintain precision and its copper core provides heat spreading which enhances the high power handling capabilities
  • Chip size of 2015
  • Aluminium wire to be used for bonding
  • Inductance of less than 5nH typical
  • Maximum chip temperature of +150°C
  • Temperature range of -55°C to +150°C
  • Caddock
  • Low resistance precision flip-chip surface-mount resistor
  • Utilises the proven Caddock Micronox® resistance films to achieve the unique low resistance range
  • Pedestal terminal design helps maintain precision and its copper core provides heat spreading which enhances the high power handling capabilities
  • Chip size of 2520
  • Bare ceramic back surface
  • Inductance of less than 5nH typical
  • Maximum chip temperature of +150°C
  • Temperature range of -55°C to +150°C
  • Caddock
  • Low resistance precision wire-bondable surface-mount resistor
  • Utilises the proven Caddock Micronox® resistance films to achieve the unique low resistance range
  • Pedestal terminal design helps maintain precision and its copper core provides heat spreading which enhances the high power handling capabilities
  • Chip size of 2520
  • Aluminium wire to be used for bonding
  • Inductance of less than 5nH typical
  • Maximum chip temperature of +150°C
  • Temperature range of -55°C to +150°C
  • Caddock
  • High resistance precision flip-chip surface-mount resistor
  • Designed for use in extremely low signal detection / amplification circuits
  • Solderable metallised termination pads on the same side as the resistive element with a bare ceramic back surface
  • Maximum chip temperature of +85°C
  • Temperature range of -40°C to +85°C
  • Caddock
  • Ultra-precision through-hole high voltage divider
  • 6 standard models of the HVD series
  • Monolithic voltage dividers built with ceramic sandwich construction
  • Ratios (RT:R2) of 100:1 or 1,000:1
  • Ideal for high performance voltage division applications in medical equipment, laboratory equipment and analytical instruments
  • Over voltage of 1.5 times rated voltage for 5s
  • Caddock
  • 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
  • Caddock
  • Precision power film radial leaded through-hole resistor
  • Non-inductive with expanded resistance range
  • Maximum working voltage of 200V
  • Compact rectangular package with standard lead spacing
  • Constructed with Caddock’s Micronox® resistance films fired onto a solid ceramic substrate
  • Extended life stability is typically better than 0.1% per 1,000 hours
  • Temperature range from -40°C up to +150°C
  • Caddock
  • Precision power film radial leaded through-hole resistor
  • Non-inductive with expanded resistance range
  • Maximum working voltage of 200V
  • Compact rectangular package with standard lead spacing
  • Constructed with Caddock’s Micronox® resistance films fired onto a solid ceramic substrate
  • Extended life stability is typically better than 0.1% per 1,000 hours
  • Temperature range from -40°C up to +150°C
  • Caddock
  • Current sensing resistor
  • Resistance range from 0.02Ω to 10Ω
  • Tolerance from ±1.0% to ±5.0%
  • TCR of -20 to +80, 0 to +200 or +300 ppm/°C
  • Power rating of 1W at 70°C
  • Temperature range from -55°C to +150°C
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Please be advised that due to the ongoing supply issues with raw materials affecting the global electronics industry, as well as an increase in orders received by our manufacturing partners, a large number of products are facing increased lead times in recent months. For the latest lead time and stock availability, please contact one of our engineers who will be happy to discuss lead times further and the potential for alternative parts.