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The VMP-NA current sensing precision resistor series from Isabellenhütte, offers gold plated 2-terminal surface-mount connection technology with a 4 pad solder layout. Developed with a standard chip size of 2010, resistance values available 0.025Ω and 0.08Ω, with a 2W power rating at +90°C and TCR of <±20 ppm/°C (between +20°C and +60°C). The VMP-NA series from Isabellenhütte also offers excellent long term stability and a high pulse power rating.
- Current sensing precision resistor
- Gold plated 2-terminal surface-mount design in a 2010 chip size
- Resistance values of 0.025Ω or 0.08Ω
- Tolerances of ±1% and ±5%
- TCR of <±20 ppm/°C (+20°C to +60°C)
- Permanent power rating of 2W (at +90°C)
- Constant current up to 9A (0.025Ω)
- Temperature range from -55°C to +170°C
- Inductance of <2nH
- Stability of <0.5% (TK=60°C) / <1% (TK=90°C) (at rated power, deviation after 2000h)
- Dielectric withstanding voltage of 200V AC/DC
Typical applications for the VMP-NA 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 VMP-NA Series Specification Table
| Attributes | Value |
|---|---|
| Resistance value | 25mΩ / 80mΩ |
| Tolerance | ±1% / ±5% |
| TCR | <20ppm/°C (20-60°C) |
| Temperature range | -55°C to +170°C |
| Power rating | 2W |
| Internal heat resistance | <40°C/W (Rthi) |
| Dielectric withstanding voltage | 200V AC/DC |
| Inductance | <2nH |
| Stability (deviation after 2000hrs) | <0.5% (Tᴋ = 60°C) / <1% (Tk=90 °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.
