PN4120

n-channel JFETs designed for Ultra-High Input Impedance Amplifiers Electrometers pH Meters Smoke Detectors ABSOLUTE MAXIMUM RATINGS (25°C) Reverse Gate-Drain or Gate-Source Voltage ......... -40 V Gate Current ............................... 10 rnA Total Device Dissipation at 25°C Ambient (Derate 3.27 mW;oC) ...................... 360 mW Operating Temperature Range ............. -55 to 135°C Storage Temperature Range............... -55 to 150°C Lead Temperature Range (1/16" from case for 10 seconds) ..............300°C .H Siliconix Performance Curves NT See Sedion 4 BENEFITS Low Power lOSS < 90 J1.A (PN4117) Minimum Circuit Loading IGSS < 1 pA (PN4117A Series) TO·92 See Section 6 ,~: GO SC oc Bottom View Plastic "ZZ" ~~ ----10"""1 --"ZZ" ~~ 1J>0"J"">1 --"ZZ" ~~ o~­(X) --"ZZ" ~~ o~­(X) J>J> ELECTRICAL CHARACTERISTICS (25°C unless otherwise noted) CharacteristIC : -1 .~ 3 S T -4" A T -5 6 I C - B - 0 Y 9N _A M 10 I -c 11 IGSS IGS5 BVGSS VGSloffl lOSS 9fs gos CISS Crss Gate Reverse Current PN4117 Series Only Gate Reverse Current PN4117A Senes Only Gate-Source Breakdown Voltage Gate-Source Cutoff Voltage Saturation Dram Current (Note 2) Common-Source Forward Transconductance (Note 2) Common-Source Output Conductance Common-Source Input Capal::1tance Common·Source Reverse Transfer Capacitance PN4117 PN4117A PN4118 PN4118A PN4ll9 PN4119A PN4120 PN412DA Min Typ Max Min Typ Max Min Typ Max Min Typ Max Umt -10 -10 -10 -20 pA -25 -25 -25 -50 n...