Switching power 

Communication power---- 24V,48V DC output oriented, Current is generally divided into 30A、50A、

                                             75A、100A、150A

Commonly used power devices:

MOSFET:IRFP450、IRFP460、FQA24N50、FQA28N50、FMH23N50E、FMH16N50E、

                  SIHG20N50C-E3、2SK2698、2SK2837、IRFPS37N50A

IGBT:IRGP4062D、IRGP4068DFGW35N60HD
fast recovery diode used in output rectifier :

Output  24V:MUR3020PT、D92M-03
Output  48V:MUR3040PT、MUR3060PT、FFA30U60DN
 PWM used by the control circuit:UC3842、UC3843、UC3845、SG3525AN、KA3525AN、

                                                        TL494CN

Electrically operated power supply - 110V, 220V DC output-based

Commonly used power devices 

MOSFET:FQA9N90C、FQA11N90C、2SK2611、FMH11N90E
IGBT:FGL60N100BNTD、FGA25N120ANTD、HGTG11N120CND、IRG4PH40UD、  

             IRG4PH50UD、FGW40N120HD

Mainly in the small switching power supply - 500W output rectifier section :

MBR1545CT、MBR2045CT、MBR3045CT、MBR6045WT、30CTQ060、30CTQ100、MUR1640CT、MUR1660CT、FFA30U60DN

Separation circuit Commonly used power devices

MOSFET:FQP4N90C、FQP5N90C、FQP6N90C、FQA9N90C、2SK2611、FMH11N90E
PWM:KA7500C、TL494、UC3842、UC3843、UC3845

Half-bridge circuit commonly used devices transistor :FJP13007、FJP13009、2SC2625

Integration type (PWM+MOSFET):KA5L0380RYDTU、KA1M0165RYDTU、KA1M0265RYDTU、 KA1M0365RYDTU、KA1M0565RYDTU、KA1M0880RYDTU、KA5M0165RYDTU、KA5M0265RYDTU、 KA5M0565RYDTU、FSDM0565REWDTU、TOP221、TOP222、TOP223、TOP226Y、TOP221G、 VIPER12A、VIPER22A