Isabellenhütte CMK Series

  • Isabellenhütte

Product Features

  • Current sensing resistor
  • Resistance range from 0.01Ω to 0.1Ω
  • Tolerances of ±1% and ±5%
  • TCR of <50 ppm/°C
  • Power rating 1W (at +70°C)
  • Temperature range from -65°C to +170°C
  • Automotive


The CMK current sensing precision resistor series from Isabellenhütte has been developed to offer an outstanding price-performance ratio. With a resistance range of 0.01Ω to 0.1Ω, other specifications include a temperature coefficient of below 50ppm/°C (between +20°C and +60°C) over the entire ohmic range, tolerance options as low as ±1% as well as excellent long term stability. The CMK series offers these capabilities in a 1206 chip size.

  • Current sensing precision resistor
  • Surface-mount 1206 chip size
  • Resistance range from 0.01Ω to 0.1Ω
  • Tolerances of ±1% and ±5%
  • TCR of <50 ppm/°C (+20°C to +60°C)
  • Power rating of 1W (at +70°C)
  • Constant current up to 10A (0.01Ω resistor)
  • Temperature range -65°C to +170°C
  • Inductance of <3nH
  • Stability of <1% (TK=130°C) (at rated power, deviation after 2000h)
  • AEC-Q200 qualified


Typical applications for the CMK current sensing precision resistor series include:

  • Current sensor for power hybrid applications
  • Control systems for the automotive market
  • Power modules
  • Frequency converters
  • Switch-mode power supplies
  • Driver for LED light systems

Isabellenhütte CMK Series Specification Table

Resistance value10mΩ to 100mΩ
Tolerance±1% / ±5%
TCR<±50 ppm/°C (20-60°C)
Temperature range-65°C to +170°C
Power rating (P70°C)1W
Power rating (P130°C)0.5W
Internal heat resistance<80°C/W (Rthi)
Dielectric withstanding voltage200V AC/DC
Stability (deviation after 2000hrs)<10% (Tᴋ = 130°C)
Tᴋ = Terminal Temperature

Isabellenhütte is one of the world’s leading suppliers of high-quality precision and power resistors. They produce these low-resistance resistors for a variety of applications such as the ones above. Isabellenhütte & Rhopoint Components are your ideal partners when it comes to achieving the best possible measurement results in the smallest spaces. Please visit for more information.