This part is a kind of semiconductor called 2SJ107.

Function of this product has Silicon P Channel Junction Type Field Effect Transistor.

Manufacturers : Toshiba Semiconductor

Image and pinout :

Some of the text within the PDF file :

TOSHIBA Field Effect Transistor Silicon P Channel Junction Type 2SJ107 For Audio Amplifier, Analog Switch, Constant Current and Impedance Converter Applications 2SJ107 Unit: mm • High input impedance: IGSS = 1.0 nA (max) (VGS = 25 V) • Low RDS (ON): RDS (ON) = 40 Ω (typ.) • Small package • Complementary to 2SK366 Absolute Maximum Ratings (Ta = 25°C) Characteristics Symbol Rating Unit Gate-drain voltage Gate current Drain power dissipation Junction temperature Storage temperature range VGDS IG PD Tj Tstg 25 −10 200 125 −55~125 V mA mW °C °C Note: Using continuously under heavy loads (e.g. the application of high temperature/current/voltage and the significant change in JEDEC ― temperature, etc.) may cause this product to decrease in the reliability signif [ ... ]

2SJ107 PDF Datasheet Download