500W series

Supporting Manufacturer Information


  • RARA

RARA IRF500

RARA IRN/ULN/IRF/ULF Flat Type Metal Clad Wire Wound Resistors
  • Flat type metal clad wire wound resistor
  • Resistance options from 1Ω up to 5.78kΩ
  • Power rating of 500W (on a heat sink)
  • Tolerance options between ±0.5% and ±10.0%
  • TCR of +260 ppm/°C maximum
  • For UL Approval see the ULF Series
  • RARA

RARA IRH500

RARA Aluminum Housed, Chassis Mount Resistor Model: IRH, IRV, ULH, ULV, ARH, ARV
  • Metal clad wire wound resistor
  • Option of flying leads (tab terminals are standard)
  • Inductive or non-inductive design
  • Insulation resistance of 20MΩ minimum
  • Temperature range of -55°C up to +200°C
  • Extruded aluminium horizontal housing
  • Short time overload of 10 x power rating is 5 seconds
  • RARA

RARA IRV500

RARA Aluminum Housed, Chassis Mount Resistor Model: IRH, IRV, ULH, ULV, ARH, ARV
  • Metal clad wire wound resistor
  • Option of flying leads (tab terminals are standard)
  • Inductive or non-inductive design
  • Insulation resistance of 20MΩ minimum
  • Temperature range of -55°C up to +200°C
  • Extruded aluminium vertical housing
  • Short time overload of 10 x power rating is 5 seconds
  • RARA

RARA ULF500C

RARA IRN/ULN/IRF/ULF Flat Type Metal Clad Wire Wound Resistors
  • Flat type metal clad wire wound resistor
  • Resistance options from 1Ω up to 2.46kΩ
  • Power rating of 500W (on a heat sink)
  • Tolerance options between ±0.5% and ±10.0%
  • TCR of +260 ppm/°C maximum
  • For Non UL Approval see the IRF Series
  • RARA

RARA ULH500

RARA Aluminum Housed, Chassis Mount Resistor Model: IRH, IRV, ULH, ULV, ARH, ARV
  • Metal clad wire wound resistor
  • Option of flying leads (tab terminals are standard)
  • Inductive or non-inductive design
  • Insulation resistance of 20MΩ minimum
  • Temperature range of -55°C up to +200°C
  • UL approved
  • Extruded aluminium horizontal housing
  • Short time overload of 10 x power rating is 5 seconds
  • RARA

RARA ULV500

RARA Aluminum Housed, Chassis Mount Resistor Model: IRH, IRV, ULH, ULV, ARH, ARV
  • Metal clad wire wound resistor
  • Option of flying leads (tab terminals are standard)
  • Inductive or non-inductive design
  • Insulation resistance of 20MΩ minimum
  • Temperature range of -55°C up to +200°C
  • Extruded aluminium vertical housing
  • UL approved
  • Short time overload of 10 x power rating is 5 seconds
  • Alpha Electronics

Alpha FNP Series

  • 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