This part is a kind of semiconductor called C3011.

Function of this product has 2SC3011.

Manufacturers : Toshiba

Image and pinout :

Some of the text within the PDF file :

TOSHIBA Transistor Silicon NPN Epitaxial Planar Type 2SC3011 2SC3011 UHF~C Band Low Noise Amplifier Applications Unit: mm · High gain: |S21e|2 = 12dB (typ.) · Low noise figure: NF = 2.3dB (typ.), f = 1 GHz · High fT: fT = 6.5 GHz Maximum Ratings (Ta = 25°C) Characteristics Collector-base voltage Collector-emitter voltage Emitter-base voltage Collector current Emitter current Collector power dissipation Junction temperature Storage temperature range Symbol VCBO VCEO VEBO IC IE PC Tj Tstg Rating 20 7 3 30 10 150 125 -55~125 Unit V V V mA mA mW °C °C Microwave Characteristics (Ta = 25°C) JEDEC ― JEITA SC-59 TOSHIBA 2-3F1A Weight: 0.012 g (typ.) Characteristics Transition frequency Insertion gain Noise figure Symbol fT ïS21eï2 NF Test Condition VCE = 5 V, IC = 10 [ ... ]

C3011 PDF Datasheet Download