PTR902-2020K-A103 - Bourns

PTR902-2020K-A103 Frequently Asked Questions (FAQs)

• What is the recommended PCB layout and land pattern for optimal performance?
  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 optimal performance and minimize thermal resistance.
• How do I handle the thermal management of this resistor?
  Proper thermal management is crucial for this resistor. Ensure good airflow around the component, and consider using a heat sink or thermal interface material if necessary. The datasheet provides thermal resistance values to help with thermal design.
• What is the tolerance of the resistor value over temperature?
  The tolerance of the resistor value over temperature is not explicitly stated in the datasheet. However, Bourns specifies a temperature coefficient of resistance (TCR) of ±200 ppm/°C, which can be used to estimate the value tolerance over temperature.
• Is this resistor suitable for high-frequency applications?
  While the PTR902-2020K-A103 is a high-power resistor, its frequency response is not explicitly stated in the datasheet. However, Bourns recommends using their high-frequency resistors (e.g., the SRP series) for applications above 100 kHz. For frequencies below 100 kHz, the PTR902-2020K-A103 can be used, but it's essential to evaluate its performance in your specific application.
• What is the recommended soldering process for this resistor?
  Bourns recommends following the IPC J-STD-020 standard for soldering this resistor. The recommended soldering temperature is 260°C (500°F) for 10 seconds or less. It's essential to avoid overheating, as this can damage the component.