SQA403EJ-T1_GE3 - Vishay

SQA403EJ-T1_GE3 Frequently Asked Questions (FAQs)

• What is the recommended PCB footprint for the SQA403EJ-T1_GE3?
  The recommended PCB footprint for the SQA403EJ-T1_GE3 is a rectangular pad with a size of 4.5 mm x 2.5 mm, with a 1.5 mm x 1.5 mm thermal pad in the center. The pad should have a solder mask defined (SMD) and a non-solder mask defined (NSMD) area around the 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. It's recommended to use a thermal interface material (TIM) between the thermal pad and the copper plane. The TIM should be applied according to the manufacturer's instructions.
• What is the maximum allowed voltage derating for the SQA403EJ-T1_GE3?
  The maximum allowed voltage derating for the SQA403EJ-T1_GE3 is 80% of the maximum rated voltage. This means that if the maximum rated voltage is 400 V, the maximum allowed voltage derating would be 320 V.
• Can I use the SQA403EJ-T1_GE3 in a high-frequency application?
  The SQA403EJ-T1_GE3 is designed for low-frequency applications up to 100 kHz. While it may be possible to use it in high-frequency applications, the device's performance and reliability may be affected. It's recommended to consult with Vishay Intertechnologies or a qualified engineer to determine the suitability of the device for high-frequency applications.
• How do I ensure the reliability of the SQA403EJ-T1_GE3 in a high-temperature environment?
  To ensure the reliability of the SQA403EJ-T1_GE3 in a high-temperature environment, it's recommended to follow the recommended operating temperature range, use a suitable thermal interface material, and ensure good airflow around the device. Additionally, the device should be derated according to the temperature derating curve provided in the datasheet.