2. BU7486F-E2 Substitution Conclusion Functional substitution is possible in non‑automotive‑grade applications where power consumption is not critical, provided derating and system validation are performed. The BU7486F-E2 outperforms the original part in bandwidth (10 MHz) and slew rate (10 V/µs), while also offering better DC precision in parameters such as input bias current (1 pA) and offset voltage (1 mV), meeting most general‑purpose amplification needs. Key differences are: its quiescent current is as high as 6 mA (10× the original’s 300 µA per channel), leading to significantly higher power dissipation; its output drive current is 12 mA, which limits its ability to drive heavy loads; and it is not specified to meet the AEC‑Q100 automotive‑grade standard, thus it is not suitable for automotive or other reliability‑critical environments. When substituting, special attention must be paid to power‑supply headroom, load conditions, and the application environment.