This part is a kind of semiconductor called 3SK299.

Function of this product has RF AMP. FOR UHF TV TUNER N-CHANNEL GaAs DUAL-GATE MES FIFLD-EFFECT TRANSISTOR 4 PIN SMALL MINI MOLD.

Manufacturers : NEC

Image and pinout :

Some of the text within the PDF file :

DATA SHEET MES FIELD EFFECT TRANSISTOR 3SK299 RF AMP. FOR UHF TV TUNER N-CHANNEL GaAs DUAL-GATE MES FIFLD-EFFECT TRANSISTOR 4 PIN SMALL MINI MOLD FEATURES • Suitable for use as RF amplifier in UHF TV tuner. • Low Crss : 0.02 pF TYP. • High GPS : 20 dB TYP. • Low NF : 1.1 dB TYP. • 4 PIN SMALL MINI MOLD PACKAGE PACKAGE DIMENSIONS in millimeters 0.3 +0.1 –0.05 0.3 +0.1 –0.05 3 4 0.3 +0.1 –0.05 0.15 +0.1 –0.05 (1.3) 1 0.9±0.1 0.3 0.4 +0.1 –0.05 VDS = 13 V, VG1S = –4 V, VG2S = 0 VDS = 5 V, VG2S = 0, VG1S = 0 VDS = 5 V, VG2S = 0 , ID = 100 µA VDS = 5 V, VG1S = 0, ID = 100 µA VDS = 0, VG1S = –4 V, VG2S = 0 VDS = 0, VG2S = –4 V, VG1S = 0 VDS = 5 V, VG2S = 1 V, ID = 10 mA f = 1.0 kHz VDS = 5 V, VG2S = 1 V, ID = 10 mA f = 1 MHz VDS = 5 V, VG2S = 1 V, ID = 10 mA f = [ ... ]

3SK299 PDF Datasheet Download