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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
| Attributes | Value |
|---|---|
| Resistance value | 10mΩ 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 voltage | 200V AC/DC |
| Inductance | <3nH |
| 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 www.isabellenhuette.de for more information.
