This part is a kind of semiconductor called 2N3819.

Function of this product has JFET VHF/UHF AMPLIFIER.

Manufacturers : Motorola

Image and pinout :

Some of the text within the PDF file :

2N3819 MAXIMUM RATINGS Rating Drain-Source Voltage Drain-Gate Voltage Reverse Gate-Source Voltage Forward Gate Current @Total Device Dissipation Ta = 25°C Derate above 25°C Operating and Storage Junction Temperature Range Symbol VDS Vdg vgsr igf pd Value 25 25 25 10 360 2.88 Unit Vdc Vdc Vdc mAdc mW mW/°C Tj, T stg -65 to +150 °C CASE 29-02, STYLE 22 TO-92 (TO-226AA) JFET VHF/UHF AMPLIFIER N-CHANNEL- DEPLETION Refer to 2N4416 for graphs. ELECTRICAL CHARACTERISTICS (Ta = 25°C unless otherwise noted.) Characteristic Symbol Min Typ Max || | OFF CHARACTERISTICS Gate-Source Breakdown Voltage (lG = 1 uAdc. VDS = 0) V(BR)GSS 25 Gate-Source Voltage (VDS = 15 Vdc, Id = 200 nAdc) Gate Reverse Current (VQS = 15 Vdc. V D S = 0) Gate Source Cutoff Voltage (VDS = 15 Vdc, Id = 2 n [ ... ]

2N3819 PDF Datasheet Download