1. Reverse Recovery Time (trr) - 1N4005GPE: 2 µs (standard recovery) - MURA260T3G: 75 ns (fast recovery) - The trr differs by more than 25 times. The MURA260T3G significantly reduces reverse recovery loss and noise in high-frequency switching applications (e.g., SMPS, PWM rectification), while the 1N4005GPE is only appropriate for line-frequency rectification (e.g., 50/60 Hz AC input). 2. Rated Current and Forward Voltage Drop (Vf) - 1N4005GPE: 1A @ 1.1V - MURA260T3G: 2A @ 1.45V (at 2A) - The MURA260T3G offers higher current capability. At the same 1A current, its actual Vf is lower (typically around 0.9V), reducing conduction loss. However, if the circuit was originally designed with the 1A margin of the 1N4005, thermal performance must be re-evaluated to ensure it meets the higher current capability after substitution. 3. Package and Mounting Style - 1N4005GPE: Axial leaded (DO-41), through-hole mounting - MURA260T3G: Surface-mount package (SMA) - Substitution requires PCB layout redesign. The surface-mount package is better suited for automated assembly, but the axial package offers superior mechanical reliability in high-voltage or high-vibration environments. 4. Dynamic Characteristics and Suitable Topologies - 1N4005GPE: Only suitable for simple topologies such as linear power supplies and low-frequency rectification. - MURA260T3G: Its fast recovery characteristic supports high-frequency topologies like flyback and Boost converters, improving efficiency and reducing EMI risk. Additional Recommendations: For line-frequency rectification at currents ≤1A, the lower-cost 1N4007 (1A/1000V) may be considered first. If board space is constrained or high-frequency performance is required, the MURA260T3G is the better choice, but PCB thermal design should be carefully evaluated.