This part is a kind of semiconductor called 2SB1316.

Function of this product has Power Transistor.

Manufacturers : Rohm

Image and pinout :

Some of the text within the PDF file :

Transistors Power Transistor (−100V , −2A) 2SB1316 2SB1316 zFeatures 1) Darlington connection for high DC current gain. 2) Built-in resistor between base and emitter. 3) Built-in damper diode. 4) Complements the 2SD2195 / 2SD1980. zAbsolute maximum ratings (Ta = 25°C) Parameter Symbol Limits Collector-base voltage Collector-emitter voltage VCBO VCEO −100 −100 Emitter-base voltage Collector current Collector 2SB1580 power dissipation 2SB1316 VEBO IC PC −8 −2 −3 2 1 10 Junction temperature Tj 150 Storage temperature Tstg −55 to +150 ∗1 Single pulse Pw=100ms ∗2 When mounted on a 40 x 40 x 0.7 mm ceramic board. Unit V V V A(DC) A(Pulse) ∗1 W ∗2 W(Tc=25°C) °C °C zPackaging specifications and hFE Type Package hFE Marking Code Basic ordering uni [ ... ]

2SB1316 PDF Datasheet Download