This part is a kind of semiconductor called 2SD1616.

Function of this product has NPN SILICON EPITAXIAL TRANSISTOR.

Manufacturers : NEC

Image and pinout :

Some of the text within the PDF file :

DATA SHEET SILICON TRANSISTORS 2SD1616, 2SD1616A NPN SILICON EPITAXIAL TRANSISTOR FOR LOW-FREQUENCY POWER AMPLIFIERS AND MID-SPEED SWITCHING FEATURES • Low VCE(sat): VCE(sat) = 0.15 V TYP. (IC = 1.0 A, IB = 50 mA) • Large PT in small dimension with versatility PT = 0.75 W, VCEO = 50/60 V, IC(DC) = 1.0 A • Complementary transistor with the 2SB1116 and 1116A PACKAGE DRAWING (UNIT: mm) 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 2SD1616 2SD1616A 60 120 50 6.0 1.0 2.0 0.75 150 −55 to +150 60 Unit V V V A A W °C °C * PW ≤ 10 [ ... ]

2SD1616 PDF Datasheet Download