The WSH2818R0249FEA is a power metal strip resistor manufactured by Vishay. This resistor is designed for high-power applications where precision current sensing and voltage division are critical. It offers excellent stability and a low temperature coefficient of resistance (TCR), ensuring consistent performance even under varying operating conditions.

Applications

• Current sensing in power supplies
• Voltage regulation in automotive electronics
• Feedback control in motor drives
• Shunt resistor in battery management systems
• High power applications in industrial automation

Features

• High power rating: Designed to handle significant power dissipation.
• Low resistance value: Specifically designed for accurate current sensing.
• Low TCR: Provides stable resistance over a wide temperature range.
• All-welded construction: Ensures robust and reliable performance.
• RoHS compliant: Environmentally friendly construction.
• AEC-Q200 qualified: Suitable for automotive applications.

Benefits

• Improved accuracy in current sensing applications: The low resistance value and TCR ensure precise measurements.
• Enhanced reliability in harsh environments: The robust construction and high-power rating provide long-term stability.
• Reduced power losses: The low resistance minimizes wasted energy.
• Simplified circuit design: The small size and high-power capability allow for compact designs.
• Meets industry standards: AEC-Q200 qualification ensures suitability for automotive applications.

Additional Details

The WSH2818R0249FEA resistor typically features a resistance value of 0.0249 ohms. The 2818 package size refers to its dimensions. The power rating varies depending on the specific conditions, but it is designed for relatively high-power dissipation. This resistor is commonly used in surface mount technology (SMT) assembly processes. The resistor's construction involves a solid metal alloy resistance element. The low inductance characteristic makes it suitable for high-frequency circuits as well.