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The CMS current sensing precision resistor series from Isabellenhütte has been developed to offer an outstanding price to performance ratio. This resistor series offers a resistance range of 0.01Ω to 0.5Ω with a temperature coefficient of below 50ppm/°C between (+20°C and +60°C) over the entire ohmic range, tolerances down to ±1% as well as excellent long term stability. The CMS model offers these capabilities in a 2512 chip size.
- Current sensing resistor
- Surface-mount 2512 chip size
- Resistance range from 0.01Ω to 0.5Ω
- Tolerances of ±1% and ±5%
- TCR of <50 ppm/°C (+20°C to +60°C)
- Power rating 2.5W (at +70°C)
- Constant current up to 16A (0.01Ω resistance)
- Temperature range of -65°C to +170°C
- Inductance of <3nH
- Stability of <1% (TK=100°C) (at rated power, deviation after 2000h)
- AEC-Q200 qualified
Typical applications for the CMS 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 CMS Series Specification Table
| Attributes | Value |
|---|---|
| Resistance value | 10mΩ to 500mΩ |
| Tolerance | ±1% / ±5% |
| TCR | <±50 ppm/°C (20-60°C) |
| Temperature range | -65°C to +170°C |
| Power rating (P70°C) | 2.5W |
| Power rating (P100°C) | 2W |
| Internal heat resistance | <35°C/W (Rthi) |
| Dielectric withstanding voltage | 200V AC/DC |
| Inductance | <3nH |
| Stability (deviation after 2000hrs) | <1.0% (Tᴋ = 100°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.
