The LPC4045UKTE681K is a precision current sense resistor manufactured by KOA Speer. These resistors are designed for accurate current measurement in a variety of applications, offering high reliability and stability.

Applications

• Power supplies
• Motor control circuits
• Inverter circuits
• Battery management systems
• Automotive electronics

Features

• Low resistance values for minimal power loss
• High precision for accurate current sensing
• Excellent long-term stability
• Low temperature coefficient of resistance (TCR)
• Surface mount design for easy integration
• RoHS compliant

Benefits

• Improved energy efficiency due to low resistance
• Precise current monitoring for enhanced system performance
• Reliable operation in harsh environments
• Reduced board space requirements
• Compliance with environmental regulations

Additional Details

The LPC4045UKTE681K typically features a four-terminal construction (Kelvin connection) which allows for extremely accurate current measurement by separating the current carrying path from the voltage sensing path. This eliminates the effect of lead and termination resistance on the measurement accuracy. The specific resistance value is typically very low, in the milliohm or microohm range, optimized to minimize power dissipation during current sensing.

These resistors are commonly used in high-power and high-current applications where precise monitoring and control of current flow are critical. They also feature excellent pulse withstanding capabilities.

Specific technical specifications will vary depending on the exact model and manufacturer's datasheet, but typical characteristics include resistance value, tolerance, power rating, temperature coefficient, and operating temperature range. Always consult the official datasheet for accurate and up-to-date information.