The FMK current sensing precision shunt resistor series is part of the new FMx resistor family from Isabellenhütte, This resistor series offers a chip size of 1206, very good long-term stability and low thermoelectric voltages. The available resistance values are 0.001Ω, 0.002Ω, 0.003Ω, 0.004Ω, 0.005Ω and 0.006Ω, with selection of tolerances of ±1% and ±5%, and temperature coefficient under <50 ppm/°C. The FMK series from Isabellenhütte also features a constant current of up to 60A (0.001Ω), power rating of up to 4W (at 70°C) and is suitable for both reflow and IR soldering. These resistors are designed to be AEC-Q200 qualified (status pending). Their operating temperature range is between -65°C and +170°C.

• Current sensing resistor
• Surface-mount 1206 chip size
• Resistance values of 0.0015Ω, 0.002Ω, 0.003Ω, 0.004Ω, 0.005Ω, and 0.006Ω,
• Tolerances of ±1% and ±5%
• TCR of <50 ppm/°C (+20°C to +60°C)
• Power rating up to 4W (at 70°C)
• Continuous current load up to 50A (0.0015Ω)
• Temperature range from -65°C to +170°C
• Suitable for IR and reflow soldering
• Inductance of <0.5nH
• Stability of <0.5% (T_K=80°C) / <1.0% (T_K=110°C) (at rated power, deviation after 2000h)
• Conforms to AEC-Q200 (qualification pending)

Typical applications for the FMK current sensing precision shunt resistor series include:

• Current sensor for power hybrid applications
• Control systems for the automotive market
• Frequency converters and power modules
• Switch-mode power supplies

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.