SRR1280A-820M - Bourns

SRR1280A-820M Frequently Asked Questions (FAQs)

• What is the recommended PCB layout and land pattern for the SRR1280A-820M?
  Bourns provides a recommended PCB layout and land pattern in their application note AN164, which can be found on their website. It's essential to follow these guidelines to ensure proper thermal management and to minimize electromagnetic interference (EMI).
• How do I select the correct current rating for my application?
  To select the correct current rating, you need to consider the maximum current required by your circuit, as well as the temperature rise and power dissipation of the resistor. Bourns provides a power rating chart in the datasheet, which can help you determine the suitable current rating for your application.
• What is the tolerance of the SRR1280A-820M, and how does it affect my circuit design?
  The SRR1280A-820M has a tolerance of ±1%. This means that the actual resistance value can vary by up to 1% from the nominal value. You should consider this tolerance when designing your circuit, especially if you're working with critical applications or tight tolerance requirements.
• Is the SRR1280A-820M suitable for high-frequency applications?
  The SRR1280A-820M is a general-purpose resistor, and its frequency response is not specified in the datasheet. While it may work in some high-frequency applications, it's not recommended for use above 100 kHz without further evaluation and testing. For high-frequency applications, consider using a resistor specifically designed for high-frequency use, such as Bourns' HF series.
• How do I ensure the reliability and longevity of the SRR1280A-820M in my design?
  To ensure reliability and longevity, follow proper PCB assembly and soldering techniques, and avoid exposing the resistor to excessive temperature, humidity, or mechanical stress. Also, consider using a resistor with a higher power rating than required to provide a safety margin and reduce the risk of overheating.