This part is a kind of semiconductor called 2SD1616.

Function of this product has NPN Silicon Transistor.

Manufacturers : SEMTECH

Image and pinout :

Some of the text within the PDF file :

ST 2SD1616 / 2SD1616A NPN Silicon Transistor The 2SD1616 / 2SD1616A are designed for use in driver and output stages of AF amplifier general purpose application. The transistor is subdivided into three groups R, O and Y, according to its DC current gain On special request, these transistors can be manufactured in different pin configurations. TO-92 Plastic Package Weight approx. 0.19g Absolute Maximum Ratings (T a = 25 OC) Collector Base Voltage 2SD1616 2SD1616A Collector Emitter Voltage 2SD1616 2SD1616A Emitter Base Voltage Collector Current (DC) Collector Current (pulse)1) Power Dissipation Junction Temperature Storage Temperature Range 1) PW? 10ms, Duty Cycle? 50% Symbol VCBO VCEO VEBO IC IC Ptot Tj TS G S P FORM A IS AVAILABLE Value 60 120 50 60 6 1 2 0.75 150 -55 to +15 [ ... ]

2SD1616 PDF Datasheet Download