Databook.fxp 1/13/99 2:09 PM Page B-62 B-62 01/99 J310 N-Channel Silicon Junction Field-Effect Transistor Absolute maximum ratings at TA = 25¡C ¥ Mixer ¥ Oscillator ¥ VHF/UHF Amplifier Reverse Gate Source Voltage Reverse Gate Drain Voltage Continuous Forward Gate Current Continuous Device Power Dissipation At 25°C free air temperature: J310 Static Electrical Characteristics Min Gate Source Breakdown Voltage V(BR)GSS Gate Reverse Current IGSS Gate Source Cutoff Voltage VGS(OFF) Gate Source Forward Voltage VGS(F) Drain Saturation Current (Pulsed) IDSS Typ Process NJ72 Max – 25 –2 24 – 25 V – 25 V 10 mA 360 mW Unit Test Conditions V IG = – 1 µA, VDS = ØV –1 nA VGS = – 15V, VDS = ØV –1 µA VGS = – 15V, VDS = ØV – 6.5 V VDS = 10V, ID = 1 nA 1 V VDS = ØV, IG = 1 mA 60 mA VDS = 10V, VGS = ØV µS VDS = 10V, ID = 10 mA f = 1 kHz µS VDS = 10V, ID = 10 mA f = 1 kHz TA = + 125°C Dynamic Electrical Characteristics Common Source Forward Transconductance gfs 8000 17000 Common Source Output Conductance gos 250 Common Gate Forward Transconductance gfg 1200 µS VDS = 10V, ID = 10 mA f = 1 kHz Common Gate Output Transconductance gog 150 µS VDS = 10V, ID = 10 mA f = 1 kHz Gate Drain Capacitance Cdg 1.8 2.5 pF VDS = Ø V, VGS = – 10V f = 1 MHz Gate Source Capacitance Cgs 4 5 pF VDS = Ø V, VGS = – 10V f = 1 MHz Equivalent Short Circuit Input Noise Voltage ēN 10 nV/√Hz VDS = 10V, ID = 10 mA f = 100 Hz Common Source Forward Transconductance Re (Yfs) 12 µS VDS = 10V, ID = 10 mA f = 105 MHz Common Gate Input Conductance Re (Yig) 14 µS VDS = 10V, ID = 10 mA f = 105 MHz Common Source Input Conductance Re (Yis) 0.4 µS VDS = 10V, ID = 10 mA f = 105 MHz Common Source Output Conductance Re (gos) 0.15 µS VDS = 10V, ID = 10 mA f = 105 MHz Common Gate Power Gain at Noise Match Gpg 16 dB VDS = 10V, ID = 10 mA f = 105 MHz 11 dB VDS = 10V, ID = 10 mA f = 450 MHz Noise Figure NF 1.5 dB VDS = 15V, ID = 10 mA f = 105 MHz 2.7 dB VDS = 15V, ID = 10 mA f = 450 MHz TOÐ226AA Package Surface Mount Dimensions in Inches (mm) SMPJ310 Pin Configuration 1 Drain, 2 Source, 3 Gate 1000 N. Shiloh Road, Garland, TX 75042 (972) 487-1287 FAX (972) 276-3375 www.interfet.com