This part is a kind of semiconductor called S9014.

Function of this product has Pre-Amplifier / Low Level & Low Noise.

Manufacturers : Fairchild Semiconductor

Image and pinout :

Some of the text within the PDF file :

SS9014 SS9014 Pre-Amplifier, Low Level & Low Noise • High total power dissipation. (PT=450mW) • High hFE and good linearity • Complementary to SS9015 1 TO-92 1. Emitter 2. Base 3. Collector NPN Epitaxial Silicon Transistor Absolute Maximum Ratings Ta=25°C unless otherwise noted Symbol VCBO VCEO VEBO IC PC TJ TSTG Parameter Collector-Base Voltage Collector-Emitter Voltage Emitter-Base Voltage Collector Current Collector Power Dissipation Junction Temperature Storage Temperature Ratings 50 45 5 100 450 150 -55 ~ 150 Units V V V mA mW °C °C Electrical Characteristics Ta=25°C unless otherwise noted Symbol BVCBO BVCEO BVEBO ICBO IEBO hFE VCE (sat) VBE (sat) VBE (on) Cob fT NF Parameter Collector-Base Breakdown Voltage Collector-Emitter Breakdown Voltage Emitter-Base Breakdown Vo [ ... ]

S9014 PDF Datasheet Download