Power semiconductor module and power converter using the same

A power semiconductor module comprising:

• a first package having an upper arm circuit section constituting an inverter circuit;
• a second package having a lower arm circuit section constituting an inverter circuit;
• a metal case having a storage space to store the first package and the second package and an opening connecting with the storage space;
• and
• an intermediate connecting conductor to couple the upper arm circuit section with the lower arm circuit section, wherein:
• the metal case includes a first radiating section and a second radiating section facing the first radiating section through the storage space,
• the first package includes a first semiconductor chip, a first conductor plate and a second conductor plate to interpose the first semiconductor chip, a first collector-side terminal coupled with the first conductor plate, a first emitter-side terminal coupled with the second conductor plate, and a first sealant to seal parts of the first conductor plate and the second conductor plate and the first semiconductor chip,
• the second package includes a second semiconductor chip, a third conductor plate and a fourth conductor plate to interpose the second semiconductor chip, a second collector-side terminal coupled with the third conductor plate, a second emitter-side terminal coupled with the fourth conductor plate, and a second sealant to seal parts of the third conductor plate and the fourth conductor plate and the second semiconductor chip,
• further, the first package is arranged so that the arrangement direction of the first package and the second package are parallel to the respective surfaces facing the first radiating section and the second radiating section,
• the first collector-side terminal and the second emitter-side terminal protrude outside the metal case from the opening of the metal case,
• the intermediate connecting conductor couples the first emitter-side terminal with the second collector-side terminal in the storage space of the metal case, and
• the first sealant and the second sealant are provided separately from each other.