The WSLT2010R3900FEB18 is a Vishay Power Metal Strip® resistor designed for current sensing applications requiring a precise and stable resistance value. Its construction and materials are optimized for high power dissipation in a small footprint.

Applications:

• Current sensing in hybrid and electric vehicle (HEV/EV) systems
• Power monitoring in industrial motor drives
• Overcurrent protection in power supplies
• Feedback control in DC-DC converters
• Current measurement in battery chargers
• Voltage dividers in high-power circuits

Features:

• Low Resistance Value: 0.39 Ohms, enabling precise current measurement with minimal impact on the circuit.
• High Power Rating: Designed to handle significant power dissipation in a 2010 surface-mount package.
• Power Metal Strip® Construction: Offers excellent stability and low inductance for accurate measurements.
• Low Temperature Coefficient of Resistance (TCR): Minimizes resistance changes over temperature, ensuring stable performance.
• AEC-Q200 Qualified: Suitable for automotive applications, meeting stringent reliability standards.
• RoHS Compliant: Environmentally friendly and complies with RoHS directives.

Benefits:

• Accurate Current Measurement: Provides reliable and precise current sensing for improved system control.
• Compact Size: The 2010 package allows for space-saving designs in densely populated circuit boards.
• High Reliability: Robust construction ensures dependable performance in demanding environments.
• Stable Performance: Maintains consistent resistance values under varying temperature and load conditions.
• Improved Efficiency: Low resistance minimizes power loss, contributing to overall system efficiency.

Additional Details:

The WSLT2010R3900FEB18 features a resistance tolerance of 1% and a TCR of ±75 ppm/°C. The operating temperature range is from -65°C to +170°C. This resistor is designed to withstand high surge currents and offers low inductance, making it suitable for high-frequency applications. For detailed specifications, including power derating curves and recommended mounting conditions, refer to the official Vishay datasheet.