2N4391
2N4392
2N4393
SILICON
N-CHANNEL JFET
w w w. c e n t r a l s e m i . c o m
DESCRIPTION:
The CENTRAL SEMICONDUCTOR 2N4391 series
types are N-Channel silicon JFETs designed for analog
switching and chopper applications.
MARKING: FULL PART NUMBER
TO-18 CASE
MAXIMUM RATINGS: (TA=25°C)
SYMBOL UNITS
Gate-Drain Voltage
VGD 40 V
Gate-Source Voltage
VGS 40 V
Gate Current
IG 50 mA
Power Dissipation (TC=25°C) PD 1.8 W
Operating and Storage Junction Temperature
TJ, Tstg
-65 to +175
°C
ELECTRICAL CHARACTERISTICS: (TA=25°C unless otherwise noted)
2N4391 2N4392 2N4393
SYMBOL
TEST CONDITIONS
MIN MAX
MIN MAX MIN MAX
UNITS
IGSS VGS=20V
- 0.1 - 0.1 - 0.1 nA
IGSS VGS=20V, TA=125°C
- 0.2 - 0.2 - 0.2 µA
IDSS VDS=20V
50
150
25
75
5.0
30
mA
ID(OFF) VDS=20V, VGS=12V
-
0.1
-
-
-
-
nA
ID(OFF) VDS=20V, VGS=7.0V
-
-
-
0.1
-
-
nA
ID(OFF) VDS=20V, VGS=5.0V
-
-
-
-
-
0.1
nA
ID(OFF) VDS=20V, VGS=12V, TA=150°C - 0.2 - - - - µA
ID(OFF) VDS=20V, VGS=7.0V, TA=150°C - - - 0.2 - -
µA
ID(OFF) VDS=20V, VGS=5.0V, TA=150°C - - - - - 0.2 µA
BVGSS IG=1.0µA
40 - 40 40 -
V
VGS(OFF) VDS=20V, ID=1.0nA
4.0 10 2.0 5.0 0.5 3.0
V
VGS(f) VDS=0, IG=1.0mA
- 1.0 - 1.0 - 1.0 V
VDS(ON) ID=12mA
- 0.4 - - - - V
VDS(ON) ID=6.0mA
-
-
-
0.4
-
-
V
VDS(ON) ID=3.0mA
- - - - - 0.4 V
rDS(ON) ID=1.0mA, VGS=0
- 30 - 60 - 100 Ω
rds(on) VGS=0, ID=0, f=1.0kHz
-
30
-
60
-
100
Ω
Crss VGS=12V, VDS=0, f=1.0MHz
-
4.0
-
-
-
-
pF
Crss VGS=7.0V, VDS=0, f=1.0MHz
-
-
-
4.0
-
-
pF
Crss VGS=5.0V, VDS=0, f=1.0MHz
-
-
-
-
-
4.0
pF
Ciss VDS=20V, VGS=0, f=1.0MHz
-
14
-
14
-
14
pF
R3 (18-August 2022)
2N4391
2N4392
2N4393
SILICON
N-CHANNEL JFET
ELECTRICAL CHARACTERISTICS - Continued: (TA=25°C unless otherwise noted)
2N4391 2N4392 2N4393
SYMBOL
TEST CONDITIONS
MIN MAX
MIN MAX MIN MAX
UNITS
tr ID(ON)=12mA
-
5.0
-
-
-
-
ns
tr ID(ON)=6.0mA
-
-
-
5.0
-
-
ns
tr ID(ON)=3.0mA
-
-
-
-
-
5.0 ns
tf VGS(OFF)=12V
-
15
-
-
-
-
ns
tf VGS(OFF)=7.0V
-
-
-
20
-
-
ns
tf VGS(OFF)=5.0V
-
-
-
-
-
30
ns
ton ID(ON)=12mA
-
15
-
-
-
-
ns
ton ID(ON)=6.0mA
-
-
-
15
-
-
ns
ton ID(ON)=3.0mA
-
-
-
-
-
15
ns
toff VGS(OFF)=12V
- 20 - - - - ns
toff VGS(OFF)=7.0V
- - - 35 - - ns
toff VGS(OFF)=5.0V
- - - - - 50 ns
TO-18 CASE - MECHANICAL OUTLINE
LEAD CODE:
1) Source
2) Drain
3) Gate
MARKING: FULL PART NUMBER
R3 (18-August 2022)
w w w. c e n t r a l s e m i . c o m
2N4391
2N4392
2N4393
SILICON
N-CHANNEL JFET
TYPICAL ELECTRICAL CHARACTERISTICS
R3 (18-August 2022)
w w w. c e n t r a l s e m i . c o m
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REQUESTING PRODUCT PLATING
1. If requesting Tin/Lead plated devices, add the suffix “ TIN/LEAD” to the part number when
ordering (example: 2N2222A TIN/LEAD).
2. If requesting Lead (Pb) Free plated devices, add the suffix “ PBFREE” to the part number
when ordering (example: 2N2222A PBFREE).
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