This part is a kind of semiconductor called A1016.
Function of this product has 2SA1016.
Manufacturers : Sanyo Semicon Device
Image and pinout :

Some of the text within the PDF file :
Ordering number:ENN572E PNP/NPN Epitaxial Planar Silicon Transistors 2SA1016, 1016K/2SC2362, 2362K High-Voltage Low-Noise Amp Applications Package Dimensions unit:mm 2003B [2SA1016, 1016K/2SC2362, 2362K] 5.0 4.0 4.0 0.45 0.5 0.45 0.44 0.6 2.0 14.0 5.0 ( ) : 2SA1016, 1016K Specifications Absolute Maximum Ratings at Ta = 25˚C Parameter Symbol Collector-to-Base Voltage Collector-to-Emitter Voltage Emitter-to-Base Voltage Collector Current Collector Current (Pulse) Collector Dissipation Junction Temperature Storage Temperature VCBO VCEO VEBO IC ICP PC Tj Tstg Electrical Characteristics at Ta = 25˚C Conditions Parameter Symbol Conditions Collector Cutoff Current Emitter Cutoff Current DC Current Gain Gain-Bandwidth Product ICBO IEBO hFE fT VCB=(–)80V, IE=0 VEB=(–)4V, IC=0 [ ... ]
A1016 PDF Datasheet Download
