Power Resistors

  • Alpha Electronics
  • High power precision shunt resistor
  • Resistance range form 0.001Ω to 1Ω
  • Tolerance from ±0.05% to ±1%
  • TCR from ±1 ppm/°C to ±5 ppm/°C
  • Power rating of 500W (on a heat sink)
  • Temperature range from -55°C up to +125°C
  • Compliant
  • High power precision shunt resistor
  • Resistance range form 0.001Ω to 1Ω
  • Tolerance from ±0.05% to ±1%
  • TCR from ±1 ppm/°C to ±5 ppm/°C
  • Power rating of 500W (on a heat sink)
  • Temperature range from -55°C up to +125°C
  • 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
  • Exempt
  • 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
  • Exempt
  • 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
  • Exempt
  • 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
  • Exempt
  • 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
  • Exempt
  • 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
  • Exempt
  • 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
  • Exempt
  • 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
  • Exempt
  • 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
  • Exempt
  • 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
  • Exempt
  • 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
  • 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 250V
  • Operation up to +150°C case temperature
  • Exempt
  • 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 250V
  • 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 250V
  • Operation up to +150°C case temperature
  • Exempt
  • 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 250V
  • 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 250V
  • Operation up to +150°C case temperature
  • Exempt
  • 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 250V
  • 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 250V
  • Operation up to +150°C case temperature
  • Exempt
  • 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 250V
  • 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 250V
  • Operation up to +150°C case temperature
  • Exempt
  • 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 250V
  • Operation up to +150°C case temperature

Manufacturers

Looking for Power Resistors?

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

Power Resistors

Here at Rhopoint Components, we can offer a vast selection of power resistors for various applications by a range of industry-leading manufacturers including Alpha Electronics, Caddock, Isabellenhuette, RARA, Riedon and Susumu. Variety of package sizes both surface-mount and through-hole, resistance values, tolerances and other variables, as well as fully customisable options being available, with the most common options held in the UK stock for quick delivery.

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.