The recommended land pattern for SM6T33CAHE3/52 is a rectangular pad with a size of 2.5 mm x 1.5 mm, with a solder mask clearance of 0.2 mm. It's essential to follow the recommended land pattern to ensure proper soldering and to prevent thermal issues.
While the SM6T33CAHE3/52 is a TVS diode, it's not designed for high-frequency applications. The device is optimized for transient voltage suppression and has a relatively high capacitance, which can affect high-frequency performance. For high-frequency applications, consider using a different component specifically designed for those frequencies.
To select the correct TVS diode, consider the following factors: 1) voltage rating, 2) power rating, 3) response time, 4) clamping voltage, and 5) package type. Ensure the TVS diode can handle the maximum voltage and power in your application, and choose a device with a response time that meets your requirements.
A unidirectional TVS diode protects against voltage transients in one direction, typically from the power supply to the circuit. A bidirectional TVS diode protects against voltage transients in both directions, providing protection for both the power supply and the circuit. The SM6T33CAHE3/52 is a unidirectional TVS diode.
While it's technically possible to use multiple SM6T33CAHE3/52 devices in parallel, it's not recommended. The devices may not share the current equally, leading to uneven stress and potential reliability issues. Instead, consider using a single device with a higher power rating or consulting with a design engineer to determine the best solution for your application.
SM6T33CAHE3/52 datasheet
by Vishay Semiconductors
