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| Datasheet File OCR Text: |
| NTE458 N-Channel Silicon JFET General Purpose, Low Noise, Audio Frequency Amplifier Features: D Very Low Noise D Low Gate Current Absolute Maximum Ratings: (TA = +25C unless otherwise specified) Gate-Drain Voltage, VGDO . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -50V Gate-Source Voltage, VGSO . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -50V Drain-Source Voltage (VDS = -2V), VDSX . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50V Drain Current, ID . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20mA Gate Current, IG . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10mA Total Device Dissipation, PT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 250mW Operating Junction Temperature, TJ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +125C Storage Temperature Range, Tstg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -55 to +125C Electrical Characteristics: (TA = +25C unless otherwise specified) Parameter Gate Reverse Current Zero-Gate Voltage Drain Current Gate-Source Voltage Forward Transconductance Input Capacitance Reverse Transfer Capacitance Noise Frequency Symbol IGSS IDSS gfs Ciss Crss NF Test Conditions VGS = -20V, VDS = 0 VDS = 10V, VGS = 0 VDS = 10V, ID = 0.5mA, f = 1kHz VDS = 10V, VGS = 0, f = 1MHz VDS = 10V, VGS = 0, f = 1MHz VDS = 10V, VGS = 0, f = 1MHz VDS = 10V, VGS = 0, RG = 1k, f = 10Hz VDS = 10V, VGS = 0, RG = 1k, f = 100Hz VDS = 10V, VGS = 0, RG = 1k, f = 1kHz Noise Voltage NV ID = 0.5mA, RG = 1k, f = 10Hz to 1kHz (at VG = -3dB) Min - 0.5 4.0 4.0 - - - - - - Typ - 3.0 5.2 12 13 2.6 5.0 1.0 0.6 15 Max -1 12 - - - - 10 3.0 1.5 20 Unit nA mA V mhos mhos pF pF dB dB dB mV VGS(off) VDS = 10V, ID = 10A -0.13 -0.5 -1.5 .135 (3.45) Min .210 (5.33) Max Seating Plane .500 (12.7) Min .021 (.445) Dia Max DG S .100 (2.54) .050 (1.27) .165 (4.2) Max .105 (2.67) Max .105 (2.67) Max .205 (5.2) Max |
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