This part is a kind of semiconductor called B1116.

Function of this product has 2SB1116.

Manufacturers : NEC

Image and pinout :

Some of the text within the PDF file :

DATA SHEET SILICON TRANSISTORS 2SB1116, 1116A PNP SILICON EPITAXIAL TRANSISTOR FOR LOW-FREQUENCY POWER AMPLIFIERS AND MID-SPEED SWITCHING FEATURES • Low VCE(sat) VCE(sat) = −0.20 V TYP. (IC = −1.0 A, IB = −50 mA) • High PT in small dimension with general-purpose PT = 0.75 W, VCEO = −50/−60 V, IC(DC) = −1.0 A • Complementary transistor with 2SD1616 and 1616A ABSOLUTE MAXIMUM RATINGS (Ta = 25°C) Parameter Collector to base voltage Collector to emitter voltage Emitter to base voltage Collector current (DC) Collector current (pulse) Total power dissipation Junction temperature Storage temperature Symbol VCBO VCEO VEBO IC(DC) IC(pulse)* PT Tj Tstg Ratings 2SB1116 2SB1116A −60 −80 −50 −60 −6.0 −1.0 −2.0 0.75 150 −55 to +150 * PW ≤ 10 ms, duty cycle ≤ [ ... ]

B1116 PDF Datasheet Download