Bourns provides a recommended PCB layout and land pattern in their application note AN164, which can be found on their website. It's essential to follow these guidelines to ensure proper mounting and to minimize thermal resistance.
To prevent damage, handle the 3296Z-1-253LF by the body only, avoiding touching the leads or the ceramic element. Use anti-static wrist straps, mats, or packaging to prevent electrostatic discharge (ESD) damage. Follow standard ESD handling procedures.
Bourns recommends derating the maximum voltage by 10-15% to ensure reliable operation and to account for variations in manufacturing and environmental conditions. For the 3296Z-1-253LF, this would mean derating the 250VDC rating to around 212-225VDC.
While the 3296Z-1-253LF is suitable for high-frequency applications, its performance may degrade above 100 kHz due to internal inductance and capacitance. For frequencies above 100 kHz, consider using a more specialized high-frequency trimmer potentiometer or consulting with a Bourns application engineer.
Use a soft, dry brush or a lint-free cloth to gently remove any debris or contamination from the 3296Z-1-253LF and its contacts. Avoid using chemicals, solvents, or abrasive materials that could damage the device or its components.
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3296Z-1-253LF Overview
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