The WSL2512R0180FEA18 is a Power Metal Strip® resistor from Vishay, designed for high-power current sensing applications. This resistor offers very low resistance, high power handling capability, and excellent long-term stability. It is well-suited for use in demanding automotive, industrial, and consumer electronics applications where precise current measurement is crucial.

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 (0.018 Ohms)
• High power rating (1 Watt)
• 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 for accurate control and monitoring.
• Reduced power loss due to the very low resistance value, improving efficiency.
• Reliable performance in harsh environments due to its robust construction and AEC-Q200 qualification.
• Suitable for high-frequency applications because of its low inductance.
• Consistent performance over time due to its excellent long-term stability.

Technical Specifications

The WSL2512R0180FEA18 has a resistance of 0.018 Ohms with a tolerance of ±1%. It has a power rating of 1 Watt. The temperature coefficient of resistance (TCR) is designed to be very low, ensuring stable resistance values over a wide temperature range. The resistor utilizes 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.

It is a popular choice for applications where precise current sensing is vital for protection and control purposes. Its low inductance minimizes its impact on circuit performance at higher frequencies. The all-welded construction ensures high reliability, even in demanding operating conditions.