This part is a kind of semiconductor called BEER-35-1116CPH.

Function of this product has (BEER-xx-xxxxx) Bobbins.

Manufacturers : TDK Semiconductor

Image and pinout :

Some of the text within the PDF file :

Ferrite Cores For Power Supply EER Cores CORE SHAPES AND DIMENSIONS/CHARACTERISTICS Type EER25.5 EER28 EER28L EER35 EER40 EER42 EER42/42/20 EER49 øD øD A A EER Series Fig. 1 2 2 1 1 1 2 1 B Fig.1 C B Fig.2 C Dimensions (mm) A B 25.5±0.5 9.3±0.2 28.55±0.55 14±0.2 28.55±0.55 16.9±0.25 35±0.5 20.7±0.2 40±0.5 22.4±0.2 42±0.6 22.4±0.2 42.15±0.65 21.2±0.2 49±0.8 19±0.3 C 7.5±0.2 11.4±0.25 11.4±0.25 11.3±0.2 13.3±0.25 15.5±0.25 19.6±0.4 17.2±0.4 øD 7.5±0.15 9.9±0.25 9.9±0.25 11.3±0.15 13.3±0.25 15.5±0.25 17.3±0.25 17.2±0.25 Ae (mm2) 44.8 82.1 81.4 107 149 194 240 231 le (mm) 48.2 64 75.5 90.8 98 98.8 98.6 91.3 Weight (g) 11 28 33 52 78 102 116 110 ELECTRICAL CHARACTERISTICS WITHOUT AIR GAP Part No. PC40EER25.5-Z PC40EER28-Z PC40EER28L-Z PC40EER35-Z [ ... ]

BEER-35-1116CPH PDF Datasheet Download