The recommended footprint and land pattern for the TPSMB180A can be found in the Littelfuse application note 'Surface Mount Land Pattern and Stencil Design Guide' (AN9313). It provides detailed guidelines for designing a reliable and efficient PCB layout.
To select the correct TVS diode, consider factors such as the maximum voltage, current, and power rating required for your application. You should also consider the clamping voltage, response time, and capacitance of the TVS diode. Littelfuse provides a TVS Diode Selection Guide (AN9769) that can help with the selection process.
A unidirectional TVS diode protects against overvoltage in one direction, typically from the power supply to the circuit. A bidirectional TVS diode protects against overvoltage in both directions, typically in data lines or antenna ports. The TPSMB180A is a unidirectional TVS diode.
The TPSMB180A is rated for operation up to 150°C. However, the device's performance and reliability may degrade at high temperatures. It's essential to consider the temperature derating curves and ensure the device is operated within its specified limits.
Follow the recommended soldering and assembly guidelines provided in the Littelfuse application note 'Surface Mount Assembly and Soldering Guidelines' (AN9312). This document provides detailed information on soldering techniques, temperature profiles, and handling precautions.
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TPSMB180A Overview
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