This part is a kind of semiconductor called 2SC5006.

Function of this product has NPN SILICON EPITAXIAL TRANSISTOR 3 PINS ULTRA SUPER MINI MOLD.

Manufacturers : NEC

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Some of the text within the PDF file :

DATA SHEET SILICON TRANSISTOR 2SC5006 NPN SILICON EPITAXIAL TRANSISTOR 3 PINS ULTRA SUPER MINI MOLD DESCRIPTION The 2SC5006 is an NPN epitaxial silicon transistor designed for use in low noise and small signal amplifiers from VHF band to UHF band. Low noise figure, high gain, and high current capability achieve a very wide dynamic range and excellent linearity. This is achieved by direct nitride passivated base surface, process (NEST2 process) which is an NEC proprietary fabrication technique. FEATURES • Low Voltage Use. • High fT • Low Cre • Low NF : 4.5 GHz TYP. (@ VCE = 3 V, IC = 7 mA, f = 1 GHz) : 0.7 pF TYP. (@ VCE = 3 V, IE = 0, f = 1 MHz) : 1.2 dB TYP. (@ VCE = 3 V, IC = 7 mA, f = 1 GHz) 2 1.6 ± 0.1 0.8 ± 0.1 PACKAGE DIMENSIONS in millimeters • High |S21e|2 : 9 dB [ ... ]

2SC5006 PDF Datasheet Download