Emergency lighting, NPN transistor, what is transistor,Switching applications

PMEG4020 Series 40 V 50 A Low VF MEGA Schottky Barrier Rectifier – SOD-123W

• Website URL: https://www.futureelectronics.com/p/semiconductors--discretes--transistors--bipolar-transistors/pmeg4020er-115-nexperia-2618379
• Country List: Bangladesh