VSMB10940X01 - Vishay

VSMB10940X01 Frequently Asked Questions (FAQs)

• What is the recommended PCB footprint for the VSMB10940X01?
  The recommended PCB footprint for the VSMB10940X01 is a rectangular pad with a size of 1.3 mm x 0.8 mm, with a 0.3 mm x 0.3 mm thermal pad in the center. The pad should be solder-mask defined (SMD) with a non-solder-mask-defined (NSMD) thermal pad.
• How do I handle the thermal pad during PCB assembly?
  The thermal pad should be connected to a copper plane on the PCB to ensure good thermal dissipation. A via or a thermal relief pattern can be used to connect the thermal pad to the copper plane. It's essential to ensure that the thermal pad is soldered properly to the PCB to maintain the device's thermal performance.
• What is the maximum allowable voltage for the VSMB10940X01?
  The maximum allowable voltage for the VSMB10940X01 is 40 V, which is the absolute maximum rating. However, the recommended operating voltage is 30 V to ensure reliable operation and to prevent damage to the device.
• How do I protect the VSMB10940X01 from electrostatic discharge (ESD)?
  The VSMB10940X01 is an ESD-sensitive device. To protect it from ESD, handle the device by the body or use an ESD wrist strap or mat. Ensure that the PCB and assembly equipment are also ESD-protected. Use ESD-protective packaging and follow proper ESD handling procedures during storage and transportation.
• What is the typical junction-to-ambient thermal resistance (RθJA) for the VSMB10940X01?
  The typical junction-to-ambient thermal resistance (RθJA) for the VSMB10940X01 is 120 K/W. However, this value can vary depending on the PCB design, layout, and assembly. It's essential to consider the thermal performance of the device in the specific application to ensure reliable operation.