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The VMS current sensing precision resistor series from Isabellenhütte, offers 2-terminal surface-mount connection technology. Developed with a standard chip size of 2512, selective resistance values available between 0.005Ω and 1Ω, with a 3W power rating at +95°C and TCR of <20 ppm/°C (between +20°C and +60°C). The VMS series from Isabellenhütte also offers excellent long term stability and a high pulse power rating.
- Current sensing precision resistor
- 2-terminal surface-mount design in a 2512 chip size
- Resistance range of 0.005Ω to 1Ω
- Tolerances of ±1%, ±2% and ±5%
- TCR of <±20 ppm/°C (+20°C to +60°C)
- Power rating of 4W (at +70°C)
- Constant current up to 25A (0.005Ω)
- Temperature range from -65°C to +170°C
- Inductance of <3nH
- Stability of <0.5% (TK=65°C) / <0.7% (TK=95°C) (at rated power, deviation after 2000h)
- Dielectric withstanding voltage of 200V AC/DC
- AEC-Q200 qualified
Typical applications for the VMS current sensing precision resistor series include:
- Control systems for the automotive market
- Current sensor for power hybrid applications
- Frequency converters, switch-mode power supplies and power modules
Isabellenhütte VMS Series Specification Table
| Attributes | Value |
|---|---|
| Resistance value * | 5mΩ to 1Ω |
| Tolerance * | ±1% / ±2% / ±5% |
| TCR | <20ppm/°C (20-60°C) |
| Temperature range | -65°C to +170°C |
| Power rating (P70°C) | 4W |
| Power rating (P95°C) | 3W |
| Internal heat resistance | <25°C/W (Rthi) |
| Dielectric withstanding voltage | 200V AC/DC |
| Inductance | <3nH |
| Stability (deviation after 2000hrs) | <0.5% (Tᴋ = 65°C) / <1% (Tk=95 °C) Tᴋ = Terminal Temperature |
* Please contact us or see the Ordering Info tab for further details
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.
