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
  • 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 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
  • 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
  • Caddock
  • 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
  • Caddock
  • Precision power film radial leaded through-hole resistor
  • Non-inductive with expanded resistance range
  • Maximum working voltage of 400V
  • 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 400V
  • 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 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
  • TO-220 style power through-hole resistor
  • Kool-Pak® clip mount design
  • Non-inductive
  • Up to 60A continuous current at +25°C case temperature (0.02Ω and above)
  • Excellent pulse / surge performance
  • Operation up to +150°C case temperature
  • Electrically isolated case
  • Caddock
  • D-pak style power surface-mount resistor
  • Low resistance values down to 0.02Ω for current sense applications
  • Non-inductive design
  • Up to 25W power rating at +25°C case temperature
  • Voltage rating of 200V
  • Metal tab assists in post surface-mount soldering inspection
  • Resistor element is electrically isolated from the metal heat sink tab
  • Caddock
  • TO-220 style power through-hole resistor
  • Metal mounting tab
  • Non-inductive design
  • Constructed with Caddock’s Micronox® resistance film technology
  • Maximum voltage rating of 300V
  • Operation up to +175°C case temperature
  • Resistor element is electrically isolated from the mounting surface
  • Caddock
  • TO-220 style power through-hole resistor
  • Metal mounting tab
  • Non-inductive design
  • Constructed with Caddock’s Micronox® resistance film technology
  • Operation up to +175°C case temperature
  • Resistor element is electrically isolated from the mounting surface
  • Caddock
  • TO-126 style power through-hole resistor
  • Integrated copper mounting surface in moulded package
  • Non-inductive design
  • Constructed with Caddock’s Micronox® resistance film technology
  • Maximum voltage rating of 300V
  • Operation up to +150°C case temperature
  • Resistor element is electrically isolated from the mounting surface
  • Caddock
  • TO-220 style power through-hole resistor
  • Integrated copper mounting surface in moulded package
  • Non-inductive design
  • Constructed with Caddock’s Micronox® resistance film technology
  • Maximum voltage rating of 300V
  • Operation up to +150°C case temperature
  • Resistor element is electrically isolated from the mounting surface
  • Caddock
  • TO-247 style Kool-Pak® power through-hole resistor
  • Heat sink mountable design featuring an exposed ceramic heat dissipating mounting surface
  • Non-inductive design
  • Constructed with Caddock’s Micronox® resistance film technology
  • Maximum voltage rating is limited by the power
  • Operation up to +175°C case temperature
  • Caddock
  • TO-126 style Kool-Pak® power through-hole resistor
  • Heat sink mountable design featuring an exposed ceramic heat dissipating mounting surface
  • Non-inductive design
  • Constructed with Caddock’s Micronox® resistance film technology
  • Maximum voltage rating of 200V
  • Operation up to +150°C case temperature
  • Caddock
  • TO-220 style Kool-Pak® power through-hole resistor
  • Heat sink mountable design featuring an exposed ceramic heat dissipating mounting surface
  • Non-inductive design
  • Constructed with Caddock’s Micronox® resistance film technology
  • Maximum voltage rating is limited by the power
  • Operation up to +150°C case temperature
  • Caddock
  • TO-220 style Kool-Pak® power through-hole resistor
  • Heat sink mountable design featuring an exposed ceramic heat dissipating mounting surface
  • Non-inductive design
  • Constructed with Caddock’s Micronox® resistance film technology
  • Maximum voltage rating of 500V
  • Operation up to +150°C case temperature
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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.