The PWR220-2FA2500FE is a precision power resistor manufactured by Bourns, Inc. This resistor is designed for applications requiring accurate current sensing, voltage division, and power dissipation in various electronic circuits. Its robust construction and high power rating make it suitable for demanding environments.

Applications:

• Power supplies
• Motor drives
• Inverters
• Current sensing circuits
• Voltage dividers
• Load resistors for testing purposes

Features:

• High power rating: 220 Watts
• Resistance value: 2.5 Ohms
• Tolerance: 1%
• Low temperature coefficient of resistance (TCR)
• Non-inductive design
• RoHS compliant
• Aluminum housed for efficient heat dissipation

Benefits:

• Precise Current Sensing: Enables accurate measurement of current flow in circuits, crucial for control and protection applications.
• Stable Voltage Division: Provides a reliable voltage divider with minimal drift over temperature changes, essential for accurate signal conditioning.
• High Power Dissipation: Efficiently dissipates heat, allowing the resistor to operate reliably at high power levels without significant performance degradation.
• Reduced Inductance: Minimizes the impact of inductance on circuit performance, making it suitable for high-frequency applications.
• Long-Term Stability: Maintains its resistance value over extended periods, ensuring consistent performance and reducing the need for frequent recalibration.
• Ease of Mounting: The aluminum housing facilitates mounting and heat sinking, simplifying the integration of the resistor into electronic systems.

Additional Details:

The PWR220-2FA2500FE resistor features an aluminum housing that enhances its ability to dissipate heat. The resistance element is constructed using a special alloy that provides a low temperature coefficient of resistance, ensuring minimal drift in resistance value over temperature. Its non-inductive design makes it suitable for high-frequency applications where inductance can negatively impact circuit performance. The resistor is also RoHS compliant, meaning it does not contain hazardous substances that are restricted under the RoHS directive. The tolerance of 1% allows for precise and reliable operation. It is typically mounted onto a heat sink to maximize its power dissipation capability.