This is one of the semiconductor types. This part name is D1047.
This product has 2SD1047 functions.
Manufacturers of product is Sanyo Semicon Device.
Image and pinout :
D1047 PDF Datasheet
Some of the text files within the PDF file
www.DataSheet.co.kr Ordering number:ENN680F PNP Epitaxial Planar Silicon Transistors NPN Triple Diffused Planar Silicon Transistors 2SB817/2SD1047 140V/12A AF 60W Output Applications Features · Capable of being mounted easily because of onepoint fixing type plastic molded package (Interchangeable with TO-3). · Wide ASO because of on-chip ballast resistance. · Good depenedence of fT on current and excellent high frequency responce. The descriptions in parentheses are for the 2SB817 only : other descriptions than those in parentheses are common to the 2SB817 and 2SD1047. Package Dimensions unit:mm 2022A [2SB817/2SD1047] 3.5 15.6 14.0 2.6 3.2 4.8 2.0 1.6 2.0 20.0 0.6 1.0 1 0.6 2 3 1.3 1.2 15.0 20.0 Specifications Absolute Maximum Ratings at Ta = 25˚C Parameter Collector-to-Base Voltage Collector-to-Emitter Voltage Emitter-to-Base Voltage Collector Current Collector Current (Pulse) Collector Dissipation Junction Temperature Storage Temperature Symbol VCBO VCEO VEBO IC ICP PC [ … ]
Please refer to the file for details.