This part is a kind of semiconductor called B1236A.

Function of this product has 2SB1236A.

Manufacturers : Rohm

Image and pinout :

Some of the text within the PDF file :

Transistors 2SB1275 / 2SB1236A Power Transistor (−160V , −1.5A) 2SB1275 / 2SB1236A zFeatures 1) High breakdown voltage.(BVCEO = −160V) 2) Low collector output capacitance. (Typ. 30pF at VCB = 10V) 3) High transition frequency.(fT = 50MHZ) 4) Complements the 2SD1918 / 2SD1857A. zAbsolute maximum ratings (Ta = 25°C) Parameter Collector-base voltage Collector-emitter voltage Emitter-base voltage Collector current Collector 2SB1275 power dissipation 2SB1236A Junction temperature Symbol VCBO VCEO VEBO IC PC Tj Limits −160 −160 −5 −1.5 −3 1 10 1 150 Storage temperature Tstg −55∼+150 ∗ 1 Single pulse Pw=100ms ∗ 2 Printed circuit board 1.7mm thick, collector plating 1cm2 or larger. Unit V V V A(DC) A(Pulse) ∗1 W(Tc=25°C) W ∗2 °C °C zExternal dimensio [ ... ]

B1236A PDF Datasheet Download