GBJ25M - GeneSiC Semiconductor

GBJ25M Frequently Asked Questions (FAQs)

• What is the recommended PCB layout for optimal thermal performance?
  GeneSic recommends a PCB layout with a thermal pad connected to a large copper area on the bottom layer, and multiple vias to dissipate heat efficiently. A minimum of 2oz copper thickness is recommended.
• How do I ensure reliable operation at high temperatures?
  Ensure proper heat sinking, use a thermally conductive material for the heat sink, and maintain a maximum junction temperature (Tj) of 150°C. Also, follow the recommended derating curves for current and voltage.
• What is the maximum allowed voltage transient for the GBJ25M?
  The maximum allowed voltage transient is 400V for a duration of 10µs, as specified in the datasheet. Exceeding this may damage the device.
• Can I use the GBJ25M in a parallel configuration to increase current handling?
  Yes, but it's crucial to ensure that the devices are matched in terms of current sharing and thermal performance. GeneSic recommends using a master-slave configuration with a current sense resistor to balance the current.
• How do I protect the GBJ25M from electrical overstress (EOS) and electrostatic discharge (ESD)?
  Use a TVS diode or a zener diode for EOS protection, and follow proper ESD handling procedures during assembly and storage. Ensure that the PCB design includes ESD protection components and a Faraday cage or shielded enclosure.