Bourns provides a recommended PCB layout and land pattern in their application notes. It's essential to follow these guidelines to ensure optimal performance, low thermal resistance, and minimal electromagnetic interference.
To ensure the power rating is not exceeded, calculate the maximum power dissipation using the formula: P = V^2 / R, where V is the voltage across the resistor and R is the resistance value. Compare this value to the resistor's power rating, and add a safety margin to account for temperature and other environmental factors.
The TCR tolerance for the CRA2512-FZ-R050ELF is ±100 ppm/°C. This means the resistor's resistance value may vary by up to ±100 ppm (0.01%) for every 1°C change in temperature.
While the CRA2512-FZ-R050ELF is a general-purpose resistor, it's not optimized for high-frequency applications. For high-frequency use cases, consider using a resistor with a lower inductance and capacitance, such as a thin-film or metal-film resistor.
To prevent damage and ensure long-term reliability, store the resistors in their original packaging, away from direct sunlight, moisture, and extreme temperatures. Handle the resistors by the body, avoiding touching the leads or resistive element to prevent contamination and electrostatic discharge.
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CRA2512-FZ-R050ELF Overview
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