The SMP Current sensing precision resistor series from Isabellenhütte offers the designer higher power ratings and low internal temperature rises due to the larger pad termination sizes. The MANGANIN® alloy resistance element has a resistance range of 0.005Ω to 1Ω, TC of below 50 ppm/°C over the temperature range of +20°C to +60°C and offers excellent long term stability. The SMP model offers these capabilities in a 2010 chip size.

• Current sensing precision resistor
• 2-terminal surface-mount design in a 2010 chip size
• Resistance values of 0.005Ω to 1Ω
• Tolerances of ±0.5% and ±1%
• TCR of <±50 ppm/°C (+20°C to +60°C)
• Power rating of 3W (at +70°C)
• Constant current up to 24A (0.005Ω)
• Temperature range from -65°C to +170°C
• Inductance of <3nH
• Stability of <0.5% (T_K=80°C) / <1% (T_K=110°C) (at rated power, deviation after 2000h)
• Dielectric withstanding voltage of 200V AC/DC
• AEC-Q200 qualified

 

Typical applications for the SMP 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

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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.