RARA FRH 25C Series

  • RARA

Product Features

  • Metal clad thick film resistor
  • Insulation resistance of 20MΩ minimum
  • Temperature range of -15°C up to +105°C
  • Cement moulding within aluminium housing
  • Short time overload of 2 x power rating is 5 seconds
  • High stability at conventional power ratings
  • Mounts on chassis to utilise heat sink effect


  • Motion Control
  • Renewables
  • Compliant


The FRH 25C metal clad thick film resistor series from RARA offers a power rating of up to 15W on a heat sink and 5W in free air with available resistance values between 1kΩ and 2MΩ (non-inductive design). These high power resistors are available with tolerances of ±1%, ±2%, ±5% and ±10.0%. The FRH 25C series from RARA has a cement moulding within an aluminium housing, which mounts on to a chassis to utilise the heat sink effect, all with a temperature range from -15°C up to +105°C.

  • Metal clad thick film resistor
  • Resistance range available between 1kΩ and 2MΩ
  • TCR of ±200 ppm/°C
  • Tolerance values available ±1%, ±2%, ±5% and ±10%
  • Power rating of 15W on a heat sink or 5W in free air
  • Insulation resistance of 20MΩ minimum
  • Temperature range between -15°C and +105°C
  • High stability at conventional power ratings
  • Short time overload of 2 x power rating for 5 seconds

The below table gives the specifications available for the FRH series including the FRH 25C resistors:

RARA FRH 25C Specifications

*30W on heat sink (178x127x51x1mm), 50W on heat sink (305x305x2mm)

*Option of ±20 ppm/°C is available upon request, please contact us for further details


Weight 16.50000 kg
Dimensions 16.00 x 29.60 x 49.40mm
Series / Model

Minimum Resistance

Maximum Resistance


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Power Rating


Resistance Value

Temperature Coefficient

RARA RH and FRH Technical Library

We are pleased to provide you with a range of additional content including videos, product datasheets, case studies, white papers and application notes for your reference. Please see below for the latest content available:



RARA RH and FRH series metal clad wire wound resistor datasheet




RARA FRH 25C Series

Calculators and Converters

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Contact us if you need your items quicker or need more than in stock.

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.