1. Power Dissipation and Thermal Performance: The maximum power dissipation of the 2PB710ASL (250 mW) is only 42% of that of the 50A02MH (600 mW). Under the same operating current, the 2PB710ASL exhibits faster junction temperature rise and lower thermal margin. Its drive capability or reliability will be limited in power applications, potentially requiring derating or enhanced heat dissipation. 2. High-Frequency Characteristics: The transition frequency of the 2PB710ASL (140 MHz) is significantly lower than that of the 50A02MH (690 MHz). This indicates its high-frequency response and switching speed are notably inferior, making it unsuitable for RF or high-speed switching circuits. 3. Saturation Voltage Drop: The saturation voltage drop of the 2PB710ASL (600 mV @ 300 mA) is much higher than that of the 50A02MH (120 mV @ 100 mA). In switching or high-current linear applications, the 2PB710ASL will incur higher conduction losses, lower efficiency, and more severe heating. 4. DC Gain Test Conditions: The hFE test condition for the 2PB710ASL (150 mA, 10 V) is closer to actual power operating points compared to that of the 50A02MH (10 mA, 2 V). This suggests its gain parameter may be more stable at high currents, though its minimum value of 170 remains lower than the latter's 200, potentially requiring slightly higher drive current. 5. Quality Grade and Certification: The 2PB710ASL holds AEC-Q101 automotive-grade certification, which is not mentioned for the 50A02MH. The former meets more stringent automotive electronic standards in terms of reliability, consistency, and environmental tolerance, making it suitable for high-reliability applications—though this typically comes at a higher cost (the lower price noted here is attributed to market factors).