NFR25H0004701JR500 - Vishay

NFR25H0004701JR500 Frequently Asked Questions (FAQs)

• What is the thermal resistance of the NFR25H0004701JR500?
  The thermal resistance (Rth) of the NFR25H0004701JR500 is approximately 250°C/W, which is not explicitly stated in the datasheet but can be calculated or obtained from Vishay's technical support.
• Is the NFR25H0004701JR500 suitable for high-frequency applications?
  While the datasheet doesn't provide explicit information on high-frequency performance, the NFR25H0004701JR500 is a thick-film resistor, which generally has a self-resonant frequency in the range of 100 MHz to 1 GHz. It may not be the best choice for very high-frequency applications (>1 GHz), but it can be suitable for frequencies up to several hundred MHz.
• Can I use the NFR25H0004701JR500 in a high-temperature environment?
  The NFR25H0004701JR500 has a maximum operating temperature of 155°C, as stated in the datasheet. However, it's essential to consider the derating curve and power rating to ensure the resistor can handle the desired power dissipation at elevated temperatures.
• Is the NFR25H0004701JR500 compatible with lead-free soldering processes?
  Yes, the NFR25H0004701JR500 is compatible with lead-free soldering processes, as it is a RoHS-compliant component. Vishay's thick-film resistors are designed to withstand the higher temperatures associated with lead-free soldering.
• What is the recommended land pattern for the NFR25H0004701JR500?
  The recommended land pattern for the NFR25H0004701JR500 can be found in Vishay's application note 'Land Pattern Recommendations for Vishay Resistors' (document number: 31071). The land pattern should be designed to accommodate the resistor's dimensions and ensure proper thermal dissipation.