This part is a kind of semiconductor called A1209.

Function of this product has 2SA1209.

Manufacturers : Sanyo Semicon Device

Image and pinout :

Some of the text within the PDF file :

Ordering number:ENN779D PNP/NPN Epitaxial Planar Silicon Transistors 2SA1209/2SC2911 160V/140mA High-Voltage Switching and AF 100W Predriver Applications Features · Adoption of FBET process. · High breakdown voltage. · Good linearity of hFE and small Cob. · Fast switching speed. Package Dimensions unit:mm 2009B [2SA1209/2SC2911] 8.0 4.0 2.7 1.5 3.0 7.0 11.0 1.6 0.8 0.8 0.6 3.0 0.5 15.5 ( ) : 2SA1209 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) Symbol VCBO VCEO VEBO IC ICP Collector Dissipation PC Junction Temperature Storage Temperature Tj Tstg Electrical Characteristics at Ta = 25˚C Tc=25˚C 12 3 2.4 4.8 Conditions Para [ ... ]

A1209 PDF Datasheet Download