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, VDS=0, f=1.0MHz (2N4858A)
VDD=10V, VGS(OFF)=4.0V, ID=5.0mA (2N4858)
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, VGS(OFF)=4.0V, ID=5.0mA (2N4858)
VDD=10V, VGS(OFF)=4.0V, ID=5.0mA (2N4858A)
8.0
R0 (19-August 2010)
CENTRAL [ CENTRAL SEMICONDUCTOR CORP ]
