TECHNICAL DATA
N-CHANNEL J-FET DEPLETION MODE
Qualified per MIL-PRF-19500/375
Devices
Qualified Level
2N3821
2N3822
2N3823
JANTX
JANTXV
MAXIMUM RATINGS
Parameters / Test Conditions
Symbol
2N3821
2N3822
2N3823
Unit
Gate-Source Voltage
V
GSR
50
30
V
Drain-Source Voltage
V
DS
50
30
V
Drain-Gate Voltage
V
DG
50
30
V
Gate Current
I
GF
10
mA
Power Dissipation
T
A
= +25
0
C
(1)
P
T
300
mW
Operating Junction & Storage Temperature Range
T
j
, T
stg
-55 to +200
0
C
(1) Derate linearly 1.7 mW/
0
C for T
A
+25
0
C.
TO-72*
(TO-206AF)
*See appendix A for
package outline
ELECTRICAL CHARACTERISTICS (T
A
= 25
0
C unless otherwise noted)
Parameters / Test Conditions
Symbol
Min.
Max. Units
Gate-Source Breakdown Voltage
V
DS
= 0, I
G
= 1.0
Adc 2N3821, 2N3822
2N3823
V
(BR)GSSR
50
30
Vdc
Gate Reverse Current
V
DS
= 0, V
GS
= 30 Vdc 2N3821, 2N3822
V
DS
= 0, V
GS
= 20 Vdc 2N3823
I
GSSR
0.1
0.5
A
Zero-Gate-Voltage Drain Current
V
GS
= 0, V
DS
= 15 Vdc 2N3821
2N3822
2N3823
I
DSS
0.5
2.0
4.0
2.5
10
20
mA
Gate-Source Voltage
V
DS
= 15 Vdc, I
D
= 50 Adc 2N3821
V
DS
= 15 Vdc, I
D
= 200 Adc 2N3822
V
DS
= 15 Vdc, I
D
= 400 Adc 2N3823
V
GS
0.5
1.0
1.0
2.0
4.0
7.5
Vdc
Gate-Source Cutoff Voltage
V
DS
= 15 Vdc, I
D
= 0.5
Adc 2N3821
2N3822
2N3823
V
GS(off)
4.0
6.0
8.0
Vdc
6 Lake Street, Lawrence, MA 01841
1-800-446-1158 / (978) 794-1666 / Fax: (978) 689-0803
120101
Page 1 of 2
2N3821, 2N3822, 2N3823 JAN SERIES
Parameters / Test Conditions
Symbol
Min.
Max.
Units
Small-Signal Common Source, Short-Circuit Forward Transfer Admittance
V
GS
= 0, V
DS
= 15 Vdc, f = 1.0 kHz 2N3821
2N3822
2N3823
|y
fs
|
1
1500
3000
3500
4500
6500
6500
S
Small-Signal Common Source, Short-Circuit Output Admittance
V
GS
= 0, V
DS
= 15 Vdc, f = 1.0 kHz 2N3821
2N3822
2N3823
|y
os
|
10
20
35
S
Small-Signal, Common-Source Short-Circuit Input Capacitance
V
GS
= 0, V
DS
= 15 Vdc, 100 kHz
f
1.0 MHz
C
iss
6.0
pF
Small-Signal, Common-Source Reverse Transfer Capacitance
V
DS
= 15 Vdc, V
GS
= 0, 100 kHz
f
1.0 MHz
2N3821, 2N3822
2N3823
C
rss
3.0
2.0
pF
Small-Signal Common Source, Short-Circuit Forward Transfer Admittance
V
GS
= 0, V
DS
= 15 Vdc, f = 100 MHz 2N3821
f = 100 MHz 2N3822
f = 200 MHz 2N3823
|y
fs
|
2
1500
3000
3200
S
Small-Signal, Common-Source Short-Circuit Input Conductance
V
GS
= 0, V
DS
= 15 Vdc, f = 200 MHz 2N3823 (only)
g
is
800
S
Small-Signal, Common-Source Short-Circuit Output Conductance
V
GS
= 0, V
DS
= 15 Vdc, f = 200 MHz 2N3823 (only)
g
os
200
S
Common Source Spot Noise Figure
V
GS
= 0, V
DS
= 15 Vdc, R
G
= 1M
f = 10 Hz
2N3821, 2N3822
f = 1.0 kHz 2N3821, 2N3822, 2N3823
NF
1
5.0
2.0
dB
Common Source Spot Noise Figure
V
GS
= 0, V
DS
= 15 Vdc, R
G
= 1k
f = 105 MHz
2N3823 (only)
NF
2
2.5
dB
6 Lake Street, Lawrence, MA 01841
1-800-446-1158 / (978) 794-1666 / Fax: (978) 689-0803
120101
Page 2 of 2
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