INTERSIL 2N3970-2N3972 N-Channel JFET FEATURES PIN CHIP * rDS(on) < 30 ohms (2N3970) CONFIGURATION TOPOGRAPHY * Ip(ott) < 250 pA T0-18 5001B e Fast Switching 091% FULL RADIUS cose 00175 (DRAIN) 7 9072 [MOTE SUBSTRATE IS GATE NT FT 019. 9122. 023 ON27 ABSOLUTE MAXIMUM RATINGS (25C) | ee \ 3 Reverse Gate-Drain Voltage .........../ ec ceneeeeeees -40V os j ge | Sources Gate-Source Voltage ........ 022s cee eee e eee eee -40V Gate Current 2.0.0.0... cece ce eect tee eee rect een e ee ees 50 mA, ORDERING INFORMATION Total Device Dissipation at 25C Case Temperature ... 1.8 W TO-18 WAFER | DICE Storage Temperature Range ran -65 to +200 C 2N3970 | 2N3970/W | 2N3970/D Lead Temperature (1/16 from case for 60 seconds) ...... 300C 2N3971 | 2N3971/W | 2N3971/D ELECTRICAL CHARACTERISTICS 2N3972_| 2N3972/W |, 2N3972/D TEST CONDITIONS: 25C unless otherwise noted 2N3970 2N3971 2N3972 CHARACTERISTIC MIN | MAX | MIN | MAX | MIN | MAX | UNIT TEST CONDITIONS BVass Gate Reverse Breakdown Voltage | 40 ~40 -40 Vo [la =~tpA, Vos = 0 Ipco_ Drain Reverse Current 250 250 250 | pA |, _ _ 500 500 500 | na |YOG = 20V. 'S=9 Kea ipjotty Drain Cutoff Current | 250 250 250 | pA |). pov. vag=-12V 500 500 500 Tn |\0o~ 2V. Ves 150C Vas(ott) Gate-Source Cutoff Voltage -4 |-10 -2 -+5 {05 ] -3 | V [Vos = 20V, Ip =1-nA loss Saturation Drain Current 50 | 150 } 25 75 5 30 mA |Vos = 20V, Vas = 0 (Pulse width 300ps, duty cycle < 3%) s Ss 2 Ip =5 mA Vosi(on) Drain-Source ON Voltage 1.5 V [Ves =0 | Ip=10mA 1 . . | lp = 20 mA tDSion) Static Drain-Source ON Resistance 30 60 100 | |Vas=0, lob =i mA Tds(on) Drain-Source ON Resistance 30 60 100 | {Vas =0, Ip =O f= 1kHz Ciss Common-Source Input Capacitance 25 25 25 Vos = 20V, Vas = 0 _[Crss | Common-Source Reverse Transfer 6 6 6 | pF f=1MHz Capacitance Vos = 0, Vas = ~12V Vop = 10V, Vasion) =0 | td Turn-On Delay Time 10 15 40 ID(on) Vasiotf) | tr Rise Time 10 15 40 ns |2N3970 20mA -10V toft Turn-Off Time 30 60 100 2N3971 10 mA - 5V 2N3972 5mA - 3V Vpb . RL= Yep wpstonl INPUT PULSE SAMPLING SCOPE b Vout RISE TIME 0.25 ns RISE TIME 0.4 ns FALL TIME 0.75 ns INPUT RESISTANCE 10 M VIN PULSE WIDTH 200 ns INPUT CAPACITANCE 1.5 pF st s PULSE RATE 550 pps 1-60