SIHB21N80AE-GE3 - Vishay

SIHB21N80AE-GE3 Frequently Asked Questions (FAQs)

• What is the recommended PCB footprint for SIHB21N80AE-GE3?
  The recommended PCB footprint for SIHB21N80AE-GE3 is a TO-247-3L package with a minimum pad size of 4.5mm x 4.5mm and a thermal pad size of 2.5mm x 2.5mm. It's essential to follow the recommended footprint to ensure proper thermal performance and to prevent overheating.
• How do I ensure the reliability of SIHB21N80AE-GE3 in high-temperature applications?
  To ensure the reliability of SIHB21N80AE-GE3 in high-temperature applications, it's crucial to follow the recommended operating temperature range (up to 175°C) and to provide adequate heat sinking. Additionally, ensure that the device is not subjected to excessive voltage or current stress, and that the PCB is designed to minimize thermal resistance.
• What is the maximum allowed voltage derating for SIHB21N80AE-GE3?
  The maximum allowed voltage derating for SIHB21N80AE-GE3 is 80% of the maximum rated voltage (800V) at temperatures above 150°C. This derating is necessary to ensure the device's reliability and to prevent premature failure.
• Can I use SIHB21N80AE-GE3 in parallel to increase current handling?
  Yes, SIHB21N80AE-GE3 can be used in parallel to increase current handling, but it's essential to ensure that the devices are properly matched and that the current sharing is balanced. Additionally, the PCB design should be optimized to minimize current imbalance and thermal mismatch between the devices.
• What is the recommended gate drive voltage for SIHB21N80AE-GE3?
  The recommended gate drive voltage for SIHB21N80AE-GE3 is between 10V and 15V. A higher gate drive voltage can improve the device's switching performance, but it may also increase the risk of gate oxide damage.