Byd Company Limited

Donghai Cheng

Qing Gong

Bo Wu

Xinping Lin

Yaxuan Sun

Shuming Zhao

Jingjing Luo

A base plate for a heat sink as well as a heat sink and an IGBT module having the same are provided. The base plate includes: a base plate body, including a body part; and a first surface layer and a second surface layer disposed respectively on two opposing surfaces of the body part; and N pins disposed on the first surface layer and spaced apart from one another, each pin having a first end fixed on the first surface layer and a second end configured as a free end, in which the first surface layer and the N pins are configured to contact a coolant, an area of a first portion of the first surface layer contacting the coolant is denoted as S, and an area of a second portion of the first surface layer contacting each pin is denoted as S, in which 180&#x2264;S/S&#x2264;800, and 300&#x2264;N&#x3c;650.

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Shenzhen, China

Donghai Cheng