LSJ204 N-CHANNEL JFET Linear Systems replaces discontinued Siliconix J204 The LSJ204 is a high gain N-Channel JFET This n-channel JFET is optimised for high gain. The part is particularly suitable for use in low power or high impedance amplifiers. The TO-92 package is well suited for cost sensitive applications and mass production. FEATURES DIRECT REPLACEMENT FOR SILICONIX J204 LOW CUT OFF VOLTAGE VGS(off) ≤ 1.5 HIGH GAIN AV = 80 V/V ABSOLUTE MAXIMUM RATINGS @ 25°C (unless otherwise noted) (See Packaging Information). Maximum Temperatures Storage Temperature Operating Junction Temperature Maximum Power Dissipation Continuous Power Dissipation MAXIMUM CURRENT Forward Gate Current (Note 1) MAXIMUM VOLTAGES Gate to Drain Voltage Gate to Source Voltage LSJ204 Benefits: High Input Impedance Low Cutoff Voltage Low Noise LSJ204 Applications: Battery powered amplifiers Audio Pre-Amplifiers Infra-Red Detector Amplifiers LSJ204 ELECTRICAL CHARACTERISTICS @ 25°C (unless otherwise noted) SYMBOL CHARACTERISTIC MIN BVGSS Gate to Source Breakdown Voltage ‐25 VGS(off) Gate to Source Cutoff Voltage ‐0.3 IDSS Drain to Source Saturation Current (Note 2) 0.2 IGSS Gate Reverse Current ‐2 IG Gate Operating Current ‐‐ ID(off) Drain Cutoff Current ‐‐ gfs Forward Transconductance 0.5 Ciss Input Capacitance ‐‐ Crss Reverse Transfer Capacitance ‐‐ en Equivalent Noise Voltage ‐‐ TYP. ‐‐ ‐‐ ‐‐ ‐‐ ‐2 2 ‐‐ 4.5 1.3 6 MAX ‐‐ ‐2 3 ‐100 ‐‐ ‐‐ ‐‐ ‐‐ ‐‐ ‐‐ ‐65°C to +150°C ‐55°C to +135°C 350mW 50mA VGDS = ‐40V VGSS = ‐40V UNITS mS pF CONDITIONS IG = 1µA, VDS = 0V VDS = 15V, ID = 10nA VDS = 15V, VGS = 0V VGS = ‐20V, VDS = 0V VDG = 10V, ID = 0.1mA VDS = 15V, VGS = ‐5V VDS = 15V, VGS = 0V , f = 1kHz VDS = 15V, VGS = 0V, f = 1MHz nV/√Hz VDS = 10V, ID = 1mA , f = 1kHz Click To Buy V mA pA Note 1 ‐ Absolute maximum ratings are limiting values above which LSJ204 serviceability may be impaired. Note 2 – Pulse test: PW≤ 300 µs, Duty Cycle ≤ 3% Micross Components Europe Available Packages: TO-92 (Bottom View) LSJ204 in TO-92 LSJ204 in bare die. Tel: +44 1603 788967 Email: [email protected] Web: http://www.micross.com/distribution Please contact Micross for full package and die dimensions Information furnished by Linear Integrated Systems and Micross Components is believed to be accurate and reliable. However, no responsibility is assumed for its use; nor for any infringement of patents or other rights of third parties which may result from its use. No license is granted by implication or otherwise under any patent or patent rights of Linear Integrated Systems. Micross Components Ltd, United Kingdom, Tel: +44 1603 788967, Fax: +44 1603788920, Email: [email protected] Web: www.micross.com/distribution.aspx