RHEF650-2 - LITTELFUSE

RHEF650-2 Frequently Asked Questions (FAQs)

• What is the recommended PCB layout for optimal thermal performance of RHEF650-2?
  Littelfuse recommends a PCB layout with a large copper area connected to the thermal tab of the device to dissipate heat efficiently. A minimum of 1 oz copper thickness and a thermal relief pattern around the device are also recommended.
• Can I use RHEF650-2 in a high-reliability or aerospace application?
  Yes, RHEF650-2 is qualified to AEC-Q101 and is suitable for high-reliability and aerospace applications. However, it's essential to consult with Littelfuse's application engineers to ensure the device meets the specific requirements of your application.
• How do I select the correct fuse holder or clip for RHEF650-2?
  Littelfuse offers a range of fuse holders and clips compatible with RHEF650-2. Select a holder or clip that matches the device's physical dimensions and meets your application's requirements. Consult Littelfuse's documentation or contact their technical support for guidance.
• What is the maximum allowable voltage drop across RHEF650-2 during normal operation?
  The maximum allowable voltage drop across RHEF650-2 is typically around 0.5V to 1.0V, depending on the specific application and operating conditions. Excessive voltage drop can lead to reduced fuse performance and reliability.
• Can I use RHEF650-2 in a high-temperature environment above 125°C?
  While RHEF650-2 is rated for operation up to 125°C, it's not recommended for use in environments above this temperature. Prolonged exposure to high temperatures can affect the device's reliability and performance. Consult Littelfuse's application engineers for guidance on high-temperature applications.