N-CHANNEL SILICON JFET
2N4857 2N4857A
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 2N485...
Description
2N4857 2N4857A
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 2N4857 and 2N4857A 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
SYMBOL VDS VDG VGSR IGF PD
TJ, Tstg
40 40 40 50 360 -65 to +200
ELECTRICAL CHARACTERISTICS: (TA=25°C unless otherwise noted)
SYMBOL TEST CONDITIONS
MIN
IGSS
VGS=20V, VDS=0
IGSS
VGS=20V, VDS=0, TA=150°C
IDSS
VDS=15V, VGS=0
20
ID(OFF)
VDS=15V, VGS=10V
ID(OFF)
VDS=15V, VGS=10V, TA=150°C
BVGSS
IG=1.0μA, VDS=0
40
VGS(OFF) VDS=15V, ID=0.5nA
2.0
VDS(ON)
ID=10mA, VGS=0
rDS(ON)
VGS=0, ID=0, f=1.0kHz
Crss
VGS=10V, VDS=0, f=1.0MHz (2N4857)
Crss
VGS=10V, VDS=0, f=1.0MHz (2N4857A)
Ciss VGS=10V, VDS=0, f=1.0MHz (2N4857)
Ciss VGS=10V, VDS=0, f=1.0MHz (2N4857A)
td VDD=10V, VGS(OFF)=6.0V, ID=10mA
tr VDD=10V, VGS(OFF)=6.0V, ID=10mA
toff VDD=10V, VGS(OFF)=6.0V, ID=10mA (2N4857)
toff VDD=10V, VGS(OFF)=6.0V, ID=10mA (2N4857A)
MAX 0.25 0.5 100 0.25 0.5
6.0 0.5 40 8.0 3.5 18 10 6.0 4.0 50 40
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
R0 (11-June 2012)
2N4857 2N4857A N-CHANNEL SILICON JFET
TO-18 CASE - MECHANICAL OUTLINE
LEAD CODE: 1) Source 2) Drain 3) Gate MARKING: FULL PART NUMBER
w w w. c e...
Similar Datasheet