INIMERSIL U1897-U1899 N-Channel JFET = Low Inert Loss CON FIGURATION TOPOG! RA HY Fpsion) < 300 (U1897) P * No Error or Offset Voltage Generated TO-92 5001B by Closed Switch ne APPLICATIONS a cw onn Analog, Switches, Choppers, Communicators | ABSOLUTE MAXIMUM RATINGS (25) rr sl Gate-Drain or Gate-Source Voltage.......... ~40V | Forward Gate Current................-50055 10mA Total Continuous Device Dissipation 7 1 at (or Below) T, =25C | | sraagy | ounce (Derate 3.5mW/C to 125C). ....-...56--, 350mWw Storage Temperature Range....... -55to +125C ORDERING INFORMATION Operating Temperature Range..... -55 to +125C Lead Temperature u1897__|_U1897/W 18 (1/16 from case for 10 seconds....... 1... 800C U1898 U1 W1g97/D ELECTRICAL CHARACTERISTICS . TEST CONDITIONS: 25C unless otherwise noted U1897 U1898 MIN MIN TEST CONDITIONS Gate-Source Breakdown Voltage - ~ IG = - 1pA, Vos =0 =0 Y6s= 8V (U1898) 6V (U1899) | Ta, = 85C vIp=itna > YGS= 'Dioff) Drain Cutoff Current D Ves Vv, Wetpa ae WP ab opada 9 n Vas =, ip =6.6mA (U1897) Vpsion) Drain-Source ON Voltage : . Ip = 4.0mA (U1898) = 2.5MA (U1899) Fps(on) = Gs= Resistance 20V, 0 f=1 MHz Capacitance . Vpg =20V, Veg =0 Common-Source Reverse Transfer Turn ON Delay Time Switching Time Test Conditions U1897-;U1898 =U 1889 Vop 3v 3v av Vasion) 0 0 0 tort | Turn OFF Time Vasiotf) -6V : RL 4300 110008 IDfon) ; 2.5mA NOTE: 1. Pulse test pulsewidth = 300 us; duty cycle<3% 1-50