Precision current sense resistor reduces package sizes
BOURNS Model CFN series metal foil current sense resistor comes in smaller package sizes and provides low TCR, low inductance, low noise, enhanced reliability and low resistance values. The optimal current sensing solution is suitable for power supply, stepper motor drive, and input amplifier applications. The smaller sizes meet space-constrained requirements of mobile device designs. Device’s lower resistance values, range from 5 to 40 milliohms, and provide power ratings of 0.25 to 1W in components small enough for mobile applications. Combining the new ±50 ppm/°C option with the low resistance values helps minimize self-heating so the resistor remains reliable and stays within its 1-5 percent tolerance over time.