MBR2045CTF-E1 MBR2045CTF-G1 MBR2045CTG MBR2045CTG B2045G MBR2045CTG 电源IC MBR2045CTG 肖特基二极管 MBR2045CTG. MBR2045CT-G1 MBR2045CTH MBR2045CTHC0