The WSL2512R028FTA is a precision low-value resistor from Vishay, designed for current sensing in high-power applications. This resistor is part of the Power Metal Strip® WSL series, offering low resistance, high power handling, and excellent long-term stability. It is ideal for use in demanding automotive, industrial, and consumer electronics applications where accurate current measurement is essential.

Applications

• Current sensing in power supplies
• Motor control circuits
• Inverter circuits
• Automotive electronic control units (ECUs)
• Battery management systems (BMS)
• High-current measurement applications

Features

• Low resistance value (0.028 Ohms)
• High power rating (2 Watts)
• Power Metal Strip® construction for low inductance
• Excellent long-term stability
• Low Temperature Coefficient of Resistance (TCR)
• RoHS compliant
• AEC-Q200 qualified for automotive applications
• All-welded construction for enhanced reliability

Benefits

• Precise current measurement enables accurate control and monitoring.
• Reduced power loss due to the low resistance value, improving overall efficiency.
• Reliable performance in harsh environments due to robust construction and AEC-Q200 qualification.
• Suitable for high-frequency applications because of its low inductance.
• Consistent performance over time due to excellent long-term stability.

Technical Specifications

The WSL2512R028FTA features a resistance of 0.028 Ohms with a tolerance of ±1%. The power rating is 2 Watts at 70°C case temperature. The temperature coefficient of resistance (TCR) is very low, contributing to stable performance over a wide temperature range. The resistor uses a solid metal alloy resistive element. It is available in a 2512 surface mount package. The operating temperature range is typically -65°C to +170°C.

This component is frequently employed in circuits that require precise current measurement for either protection or control purposes. Its low inductance minimizes the impact on circuit performance at higher frequencies. The all-welded construction enhances its robustness and reliability, making it a preferred choice in demanding environments.