This is one of the semiconductor types. This part name is D1886.
This product has NPN Triple Diffused Planar Silicon Transistor functions.
Manufacturers of product is Sanyo Semicon Device.
Image and pinout :
D1886 PDF Datasheet
Some of the text files within the PDF file
· Color TV horizontal diflection output.
· Color display horizontal deflection output.
· High speed (tf=100ns).
· High breakdown voltage (VCBO=1500V).
· High reliability (adoption of HVP process).
[ … ]
Please refer to the file for details.