TECHNICAL DATA SHEET
6 Lake Street, Lawrence, MA 01841
1-800-446-1158 / (978) 620-2600 / Fax: (978) 689-0803
Website: http://www.microsemi.com
Gort Road Business Park, Ennis, Co. Clare, Ireland
Tel: +353 (0) 65 6840044 Fax: +353 (0) 65 6822298
N-CHANNEL J-FET DEPLETION MODE
Equivalent to MIL-PRF-19500/375
DEVICES
LEVELS
MQ = JAN Equivalent
MX = JANTX Equivalent
MV = JANTXV Equivalent
2N3821
2N3822
2N3823
2N3821UB
2N3822UB
2N3823UB
ABSOLUTE MAXIMUM RATINGS (TC = +25°C unless otherwise noted)
2N3821, UB 2N3823, UB
2N3822, UB
Parameters / Test Conditions
Symbol
Unit
VGSR
VDS
VDG
IGF
Gate-Source Voltage
Drain-Source Voltage
Drain-Gate Voltage
Gate Current
50
50
50
30
30
30
V
V
V
10
mA
mW
Power Dissipation
TA = +25°C (1)
300
PT
Operating Junction & Storage
Temperature Range
Tj, Tstg
-55 to + 200
°C
Note: (1) Derate linearly 1.7mW/°C for TA > +25°C.
ELECTRICAL CHARACTERISTICS (TA = +25°C, unless otherwise noted)
Parameters / Test Conditions
OFF CHARACTERTICS
Symbol
Min.
Max.
Unit
TO-72 (TO-206AF)
2N3821 / UB
2N3822 / UB
2N3823 / UB
50
50
30
Gate-Source Breakdown Voltage
VDS = 0, IG = 1.0μA dc
V(BR)GSSR
Vdc
Gate Reverse Current
V
V
DS = 0, VGS = 30V dc
DS = 0, VGS = 30V dc
2N3821 / UB
2N3822 / UB
2N3823 / UB
0.1
0.1
0.5
IGSSR
ηA
VDS = 0, VGS = 20V dc
Zero-Gate-Voltage Drain Current
V
GS = 0, VDS = 15V dc
2N3821 / UB
2N3822 / UB
2N3823 / UB
0.5
2.0
4.0
2.5
10
20
IDSS
mA
Gate-Source Voltage
DS = 15V dc, ID = 50μA dc
VDS = 15V dc, ID = 200μA dc
VDS = 15V dc, ID = 400μA dc
Gate-Source Cutoff Voltage
VDS = 15V dc, ID = 0.5ηA dc
0.5
1.0
1.0
2.0
4.0
7.5
V
2N3821 / UB
2N3822 / UB
2N3823 / UB
VGS
Vdc
Vdc
UB - Package
4.0
6.0
8.0
2N3821 / UB
2N3822 / UB
2N3823 / UB
VGS(off)
T4-LDS-0005 Rev. 2 (101425)
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