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| TetraFET D2218UK METAL GATE RF SILICON FET MECHANICAL DATA C 2 A 3 B D ( 2 p ls ) GOLD METALLISED MULTI-PURPOSE SILICON DMOS RF FET 20W - 12.5V - 1GHz SINGLE ENDED FEATURES E 1 G H F * SIMPLIFIED AMPLIFIER DESIGN * SUITABLE FOR BROAD BAND APPLICATIONS DRAIN DP PIN 1 PIN 3 SOURCE GATE PIN 2 * LOW Crss * SIMPLE BIAS CIRCUITS DIM A B C D E F G H mm 16.51 6.35 45 1.52 6.35 0.13 3.56 0.64 Tol. 0.25 0.13 5 0.13 0.13 0.03 0.51 0.13 Inches 0.650 0.250 45 0.060 0.250 0.005 0.140 0.024 Tol. 0.010 0.005 5 0.005 0.005 0.001 0.020 0.005 * LOW NOISE * HIGH GAIN - 10 dB MINIMUM APPLICATIONS * VHF/UHF COMMUNICATIONS from DC to 1 GHz ABSOLUTE MAXIMUM RATINGS (Tcase = 25C unless otherwise stated) PD BVDSS BVGSS ID(sat) Tstg Tj Power Dissipation Drain - Source Breakdown Voltage Gate - Source Breakdown Voltage Drain Current Storage Temperature Maximum Operating Junction Temperature 70W 40V 20V 16A -65 to 150C 200C Semelab plc. Telephone +44(0)1455 556565. Fax +44(0)1455 552612. Website: http://www.semelab.co.uk E-mail: sales@semelab.co.uk 9/99 D2218UK ELECTRICAL CHARACTERISTICS (Tcase = 25C unless otherwise stated) Parameter Test Conditions Min. BVDSS IDSS IGSS gfs GPS Drain-Source Breakdown Voltage Zero Gate Voltage Drain Current Gate Leakage Current Forward Transconductance* Common Source Power Gain Drain Efficiency Input Capacitance Output Capacitance Reverse Transfer Capacitance VGS = 0 VDS = 12.5V VGS = 20V ID = 10mA VDS = 10V PO = 20W VDS = 12.5V f = 1GHz VDS = 0 VGS = -5V f = 1MHz f = 1MHz f = 1MHz VDS = 12.5V VGS = 0 VDS = 12.5V VGS = 0 IDQ = 1.6A ID = 10mA VGS = 0 VDS = 0 VDS = VGS ID = 0.8A 0.5 1.44 10 40 20:1 40 Typ. Max. Unit V 8 8 7 mA mA V S dB % -- VGS(th) Gate Threshold Voltage* h VSWR Load Mismatch Tolerance Ciss Coss Crss 96 80 8 pF pF pF * Pulse Test: Pulse Duration = 300 ms , Duty Cycle 2% HAZARDOUS MATERIAL WARNING The ceramic portion of the device between leads and metal flange is beryllium oxide. Beryllium oxide dust is highly toxic and care must be taken during handling and mounting to avoid damage to this area. THESE DEVICES MUST NEVER BE THROWN AWAY WITH GENERAL INDUSTRIAL OR DOMESTIC WASTE. THERMAL DATA RTHj-case Thermal Resistance Junction - Case Max. 2.5C / W Semelab plc. Telephone +44(0)1455 556565. Fax +44(0)1455 552612. Website: http://www.semelab.co.uk E-mail: sales@semelab.co.uk 9/99 |
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