2N3821 - ClassicCMP

Databook.fxp 1/13/99 2:09 PM Page B-3
B-3
01/99
2N3821, 2N3822
N-Channel Silicon Junction Field-Effect Transistor
Absolute maximum ratings at TA = 25¡C
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Reverse Gate Source & Reverse Gate Drain Voltage
Continuous Forward Gate Current
Continuous Device Power Dissipation
Power Derating
At 25°C free air temperature:
2N3821
Static Electrical Characteristics
Min
Gate Source Breakdown Voltage
V(BR)GSS
Gate Reverse Current
IGSS
– 50
– 0.5
Gate Source Voltage
Max
VGS(OFF)
Drain Saturation Current (Pulsed)
IDSS
Drain Cutoff Current
ID(OFF)
Min
Max
– 50
Process NJ32
Unit
Test Conditions
V
IG = – 1 µA, VDS = ØV
– 0.1
– 0.1
nA
VGS = – 30V, VDS = ØV
– 0.1
– 0.1
µA
VGS = – 30V, VDS = ØV
V
VDS = 15V, ID = 50 µA
V
VDS = 15V, ID = 200 µA
V
VDS = 15V, ID = 400 µA
–6
V
VDS = 15V, ID = 0.5 nA
10
mA
VDS = 15V, VGS = ØV
nA
VDS = 15V, VGS = – 8V
µA
VDS = 15V, VGS = – 8V
TA = 150°C
Ω
VGS = ØV, ID = Ø V
f = 1 kHz
–2
VGS
Gate Source Cutoff Voltage
2N3822
– 50 V
10 mA
300 mW
2mW/°C
–1
–4
0.5
2.5
2
–4
TA = 150°C
Dynamic Electrical Characteristics
Drain Source ON Resistance
rds(on)
Common Source
Forward Transconductance
gfs
1500 4500 3000 6500
µS
VDS = 15V, VGS = ØV
f = 1 kHz
Common Source
Forward Transmittance
| Yfs |
1500
µS
VDS = 15V, VGS = ØV
f = 100 MHz
Common Source Output Conductance
gos
10
20
µS
VDS = 15V, VGS = ØV
f = 1 kHz
Common Source Input Capacitance
Ciss
6
6
pF
VDS = 15V, VGS = ØV
f = 1 MHz
Common Source
Reverse Transfer Capacitance
Crss
2
2
pF
VDS = 15V, VGS = ØV
f = 1 MHz
Equivalent Short Circuit
Input Noise Voltage
e¯ N
200
VDS = 15V, VGS = ØV
f = 10 Hz
Noise Figure
NF
5
VDS = 15V, VGS = ØV
RG = 1 MΩ
f = 10 Hz
3000
TOÐ72 Package
Pin Configuration
Dimensions in Inches (mm)
1 Source, 2 Drain, 3 Gate, 4 Case
www.interfet.com
200 nV/√Hz
5
dB
1000 N. Shiloh Road, Garland, TX 75042
(972) 487-1287 FAX (972) 276-3375