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| NTE454 MOSFET, N-Ch, Dual Gate, TV UHF/RF Amp, Gate Protected Description: The NTE454 is a depletion mode dual gate MOSFET transistor designed for VHF amplifier and mixer applications. Features: D Low Reverse Transfer Capacitance - Crss = 0.03pf (Max) D High Forward Transfer Admittance - |yfe| = 0-20 mmhos D Diode Protected Gates 2 Gate 2 1 Drain Absolute Maximum Ratings: 3 Gate 1 4 Source Drain Source Voltage, VDSX . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20Vdc Drain-Gate Voltage, VDG1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30Vdc VDG2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30Vdc Gate Current, IG1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10mAdc IG2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10mAdc Drain Current-Continuous, ID . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 60mAdc Total Power Dissipation (TA = +25C), PD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 360mW Derate above 25C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2.4mW/C Total Power Dissipation (TC = +25C), PD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1.2Watt Derate above 25C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8.0mW/C Storage Channel Temperature Range, Tstg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -65 to +200C Junction Temperature Range, TJ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -65 to +175C Lead Temperature, 1/16" from Seated Surface for 10 Seconds, TL . . . . . . . . . . . . . . . . . . . . . . 300C Electrical Characteristics: (TA = 25C unless otherwise noted) Characteristics OFF CHARACTERISTICS Drain-Source Breakdown Voltage Gate 1= Source Breakdown Voltage (Note 1) Gate 2-Source Breakdown Voltage (Note 1) Gate 1 to Source Cutoff Voltage Gate 2 to Source Cutoff Voltage Gate 1 Leakage Current V(BR)DSX ID = 10Adc, V5 = 0, VGIS = VG25 = 5.0Vdc 20 6.0 5.0 -0.5 -0.2 - - - - - 12 12 -1.5 -1.4 0.04 - 0.05 - - 30 30 -5.0 -5.0 10 -10 10 -10 Vdc Vdc Vdc Vdc Vdc nAdc Adc nAdc Adc Symbol Test Conditions Min Typ Max Unit V(BR)G1SO IG1 = 10mAdc, VGIS = VDS = 0 V(BR)G2SO IG2 = 10mAdc, VG15 = VD5 = 0 VGIS(off) VG2S(off) IG1SS VDS = 15Vdc, VG2S = 4.0Vdc, ID = 20Adc VDS = 15Vdc, VG15 = 0, ID = 20Adc VGIS = 5.0Vdc, VG2S = VDS = 0 VG2S = -5.0Vdc, VG2S = VDS = 0, TA = 150C Gate 2 Leakage Current IG2SS VG2S = 5.0Vdc, VGIS = VDS = 0 VG2S = -5.0Vdc, VGIS = VDS = 0, TA = 150C ON CHARACTERISTICS Zero-Gate Voltage Drain Current (Note 2) Forward Transfer Admittance (Note 3) Input Capacitance Output Capacitance Reverse Transfer Capacitance FUNCTIONAL CHARACTERISTICS Noise Figure Common Source Power Gain Bandwidth Gain Control Gate Supply Voltage (Note 4) NF Gps BW VGG(GC) VDD = 18Vdc, VGG = 7.0Vdc, f = 200MHZ VDD = 18Vdc, VGG = 7.0Vdc, f = 200MHZ VDD = 18Vdc, VGG = 7.0Vdc, f = 200MHZ VDD = 18Vdc, Gps = -30dB, f = 200MHZ - 15 5.0 0 1.8 20 - -1.0 4.5 25 9.0 -3.0 dB dB MHZ Vdc IDSS VDS = 15Vdc, VGIS = 0, VG25 = 4.0Vdc VDS = 15Vdc, VG2S = 4.0Vdc, VGIS = 0, f = 1.0kHZ VDS = 15Vdc, VG2S = 4.0Vdc, ID = IDSS, f = 1.0MHZ VDS = 15Vdc, VG2S = 4.0Vdc, ID = IDSS, f = 1.0MHZ VDS = 15Vdc, VG2S = 4.0Vdc, ID = 10mAdc, f = 1.0MHZ 6.0 13 30 mAdc SMALL-SIGNAL CHARACTERISTICS |yfe| Ciss Coss Crss 8.0 - - 0.005 12.8 3.3 1.7 0.014 20 - - 0.03 mmhos pF pF pF Note 1. All gate breakdown voltages are measured while the device is conducting rated gate current. This ensures that the gate-voltage limiting network is functioning properly. Note 2. Pulse Test: Pulse Width = 300s, Duty Cycle 2.0% Note 3. This parameter must be measured with bias voltages supplied for less than 6 seconds to avoid overheating. Note 4. Gps is defined as the change in Gpe from the values at VGG = 7.0V power gain conversion .220 (5.58) Dia .185 (4.7) Dia .190 (4.82) .030 (.762) .500 (12.7) Min .018 (0.45) Dia Gate 2 Drain Gate 1 45 Source/Case .040 (1.02) |
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