2N4858A

2N4858 2N4858A N-CHANNEL SILICON JFET w w w. c e n t r a l s e m i . c o m DESCRIPTION: The CENTRAL SEMICONDUCTOR 2N4858 and 2N4858A are N-Channel silicon JFETs designed for analog switching and chopper applications. MARKING: FULL PART NUMBER TO-18 CASE MAXIMUM RATINGS: (TA=25°C) Drain-Source Voltage Drain-Gate Voltage Reverse Gate-Source Voltage Forward Gate Current Power Dissipation (TA=25°C) Operating and Storage Junction Temperature ELECTRICAL SYMBOL IGSS IGSS IDSS ID(OFF) ID(OFF) BVGSS VGS(OFF) VDS(ON) rDS(ON) Crss Crss Ciss Ciss td td tr tr toff toff SYMBOL VDS VDG VGSR IGF PD TJ, Tstg 40 40 40 50 360 -65 to +200 MAX 0.25 0.5 80 0.25 0.5 40 0.8 4.0 0.5 60 8.0 3.5 18 10 10 8.0 10 8.0 100 80 UNITS V V V mA mW °C UNITS nA μA mA nA μA V V V Ω pF pF pF pF ns ns ns ns ns ns CHARACTERISTICS: (TA=25°C unless otherwise noted) TEST CONDITIONS MIN VGS=20V, VDS=0 VGS=20V, VDS=0, TA=150°C VDS=15V, VGS=0 VDS=15V, VGS=10V VDS=15V, VGS=10V, TA=150°C IG=1.0μA, VDS=0 VDS=15V, ID=0.5nA ID=5.0mA, VGS=0 VGS=0, ID=0, f=1.0kHz VGS=10V, VDS=0, f=1.0MHz (2N4858) VGS=10V, VDS=0, f=1.0MHz (2N4858A) VGS=10V, VDS=0, f=1.0MHz (2N4858) VGS=10V, VDD=10V, VDS=0, f=1.0MHz (2N4858A) VGS(OFF)=4.0V, ID=5.0mA (2N4858) 8.0 VDD=10V, VGS(OFF)=4.0V, ID=5.0mA (2N4858A) VDD=10V, VGS(OFF)=4.0V, ID=5.0mA (2N4858) VDD=10V, VGS(OFF)=4.0V, ID=5.0mA (2N4858A) VDD=10V, VDD=10V, VGS(OFF)=4.0V, VGS(OFF)=4.0V, ID=5.0mA (2N4858) ID=5.0mA (2N4858A) R0 (19-August 2010) 2N4858 2N4858A N-CHANNEL SILICON JFET TO-18 CASE - MECHANICAL OUTLINE LEAD CODE: 1) Source 2) Drain 3) Gate MARKING: FULL PART NUMBER R0 (19-August 2010) w w w. c e n t r a l s e m i . c o m