This part is a kind of semiconductor called BB35.

Function of this product has 0.35mmPitch Board-to-Board Connector.

Manufacturers : DDK

Image and pinout :

Some of the text within the PDF file :

0.35mmPitch Board-to-Board Connector BB35 Series BB35 series is a 0.35mm pitch board-to-board connector with stacking height 0.7mm for smaller and thinner devices. It has a unique locking tab mechanism which serves as manual assembly error. OUTLINE a power contact and improves the strength against FEATURES ■ Locking tabs can serve as power contacts (Capability up to 1.5A/contact), which allows for more efficient use of the available connection pins. ■ High extraction force（Example : 32 pins　> 9N Min.） ■ Connector designed to provide click feel when engaged to reduce assembly errors. ■ The locking tabs of the receptacle connector are assembled by insert molding making a more robust structure to withstand manual assembly errors. ■ Halogen and Beryllium free APPLICATIONS [ ... ]

BB35 PDF Datasheet Download