NTE456 N–Channel Silicon JFET General Purpose Amp, Switch Description: The NTE456 is an N–Channel junction silicon field–effect transistor in a TO72 type package designed for general purpose amplifier and switching applications. Absolute Maximum Ratings: Drain–Source Voltage, VDS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30V Drain–Gate Voltge, VDG . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30V Gate–Source Voltage, VGS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –30V Drain Current, ID . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15mA Total Device Dissipation (TA = +25°C), PD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 300mW Derate Above 25°C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2mW/°C Operating Junction Temperature, TJ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +150°C Storage Temperature Range, Tstg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –65°C to +200°C Electrical Characteristics: (TA = +25°C unless otherwise specified) Parameter Symbol Test Conditions Min Typ Max Unit –30 – – V VGS= –15V, VDS = 0 – – –0.1 nA VGS= –15V, VDS = 0, TA = +150°C – – –100 nA VGS(off) VDS = 15V, ID = 0.1nA – – –6 V VGS VDS = 15V, ID = 200µA –1.0 – –5.0 V Zero–Gate–Voltage Drain Current IDSS VDS = 15V, VGS = 0 2.0 – 6.0 mA Static Drain–Source On Resistance rDS(on) – 400 – Ω OFF Characteristics Gate–Source Breakdown Voltage Gate Reverse Current Gate–Source Cutoff Voltage Gate–Source Voltage V(BR)GSS VDS = 0, IG = –10µA IGSS ON Characteristics VDS = 0, VGS = 0 Electrical Characteristics (Cont’d): (TA = +25°C unless otherwise specified) Parameter Symbol Test Conditions Min Typ Max Unit 2000 – 5000 µmhos Small–Signal Characteristics Forward Transfer Admittance Common Source |yfs| VDS = 15V, VGS = 0, f = 1kHz, Note 1 Output Admittance Common Source |yos| VDS = 15V, VGS = 0, f = 1kHz – – 20 µmhos Input Capacitance Ciss VDS = 15V, VGS = 0, f = 1kHz – 4.5 6.0 pF Reverse Transfer Capacitance Crss VDS = 15V, VGS = 0, f = 1kHz – 1.2 2.0 pF Common–Source Output Capacitance Cosp VDS = 15V, VGS = 0, f = 30MHz – 1.5 – pF VDS = 15V, VGS = 0, RS = 1MΩ, f = 100Hz – – 2.5 dB Functional Characteristics Noise Figure NF Note 1. Pulse test: Pulse Width = 630ms, Duty Cycle = 10%. .220 (5.58) Dia .185 (4.7) Dia .190 (4.82) .030 (.762) .500 (12.7) Min .018 (0.45) Dia Source Drain Gate 45° Case .040 (1.02)