The WAK current sensing precision resistor series is part of the WAx resistor family from Isabellenhütte. This resistor series offers excellent long-term stability and low thermoelectric voltages. The available resistance values 0.5 mΩ and 1 mΩ, with tolerance values of ±1% and ±5% available, and temperature coefficient of <100 and <130 ppm/°C depending on resistance value. The WAK series from Isabellenhütte also features a constant current of up to 90A (at 0.5mΩ), power rating of 4W (up to 150°C) and is suitable for reflow soldering. These resistors are AEC-Q200 qualified. Their operating temperature range is between -65°C and +175°C.
- Current sensing precision resistor
- Constant current up to 90A (0.5mΩ)
- Resistance range from 0.0005Ω and 0.001Ω
- Tolerances of ±1.0% and ±5.0%
- TCR of <100 and <130 ppm/K
- Power rating of 4W (up to 150°C)
- AEC-Q200 qualified
- Temperature range from -65°C to +175°C
- Suitable for reflow soldering
- Max. solder temperature up to 350 °C / 30 sec
- Inductance of <0.5nH
- Stability of <0.5% (TK=110 °C) / <1% (TK=150°C) (at rated power, deviation after 2000h)
Further details can be found on the product datasheet
Typical applications for the WAK current sensing precision shunt resistor series include:
- Current sensor for power hybrid applications
- High current applications for the automotive market
- Frequency converters
- Power modules
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.