1. Rated Current and Forward Voltage Drop (Io & Vf): The NRVBB has a lower rated current (10A) compared to the CSHDD (16A), but its maximum forward voltage drop at rated current (850mV) is significantly lower than the latter's (1.1V). At the same actual operating current (e.g., below 10A), the NRVBB exhibits lower conduction loss and higher efficiency. However, its maximum current-handling capability is also lower, making derating the primary design consideration for substitution. 2. Reverse Leakage Current (Ir): The maximum reverse leakage current of the NRVBB at 100V (100µA) is double that of the CSHDD (50µA). This indicates that under high-temperature, high-reverse-voltage operating conditions, the NRVBB may present greater static power dissipation and potential thermal stability challenges, which could impact system reliability in high-temperature environments. 3. Product Positioning and Optimization: The NRVBB belongs to ON Semiconductor's SWITCHMODE™ series, typically optimized for switching power supply topologies (e.g., PFC, rectification). Its low Vf characteristic is beneficial for improving efficiency. The CSHDD part is not labeled as part of a specific series and is likely a general-purpose design. This difference suggests there may be distinctions in dynamic characteristics (e.g., parasitic parameters) not explicitly stated in the basic specifications, requiring validation of actual performance in high-frequency switching applications. 4. Cost: The NRVBB is significantly lower in cost (approximately 53% less), which is the primary driver for substitution. However, this must be contingent upon the system's acceptance of the aforementioned electrical performance differences.