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J304 Datasheet, PDF (1/1 Pages) Fairchild Semiconductor – N-Channel RF Amplifier
B-60
01/99
J304, J305
N-Channel Silicon Junction Field-Effect Transistor
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Absolute maximum ratings at TA = 25¡C
Reverse Gate Source & Reverse Gate Drain Voltage
Continuous Forward Gate Current
Continuous Device Power Dissipation
Power Derating
– 30 V
10 mA
360 mW
3.27 mW/°C
At 25°C free air temperature:
Static Electrical Characteristics
Gate Source Breakdown Voltage
Gate Reverse Current
Gate Source Cutoff Voltage
Drain Saturation Current (Pulsed)
Dynamic Electrical Characteristics
V(BR)GSS
IGSS
VGS(OFF)
IDSS
Common Source Forward
Transconductance
g fs
Common Source Output Conductance gos
Common Source Input Capacitance Ciss
Common Source Reverse
Transfer Capacitance
Crss
Common Source Output Capacitance Coss
Common Source Output Conductance gos
Common Source Output Susceptance bos
Common Source Input Conductance gis
Common Source Input Susceptance bis
Common Source Power Gain
Gps
Noise Figure
NF
J304
J305
Min Typ Max Min Typ Max Unit
– 30
– 30
V
– 100
– 100 pA
–2
– 6 – 0.5
–3 V
5
15 1
8 mA
4500
7500 3000
µS
3000
µS
4200
µS
50
50 µS
3
3
pF
0.85
0.85
pF
1
1
pF
60
60
µS
80
µS
800
800
µS
3600
µS
80
80
µS
800
µS
2000
2000
µS
7500
µS
20
dB
11
dB
1.7
dB
3.8
dB
Process NJ26
Test Conditions
IG = – 1µA, VDS = ØV
VGS = – 20V, VDS = ØV
VDS = 15V, ID = 1 nA
VDS = 15V, VGS = ØV
VDS = 15V, VGS = ØV
VDS = 15V, VGS = ØV
VDS = 15V, VGS = ØV
VDS = 15V, VGS = ØV
VDS = 15V, VGS = ØV
VDS = 15V, VGS = ØV
VDS = 15V, VGS = ØV
VDS = 15V, VGS = ØV
VDS = 15V, VGS = ØV
VDS = 15V, VGS = ØV
VDS = 15V, VGS = ØV
VDS = 15V, VGS = ØV
VDS = 15V, VGS = ØV
VDS = 15V, VGS = ØV
VDS = 15V, VGS = ØV
VDS = 15V, ID = 5 mA
VDS = 15V, ID = 5 mA
VDS = 15V, ID = 5 mA
RG = 1 Ω
f = 1 kHz
f = 100 MHz
f = 400 MHz
f = 1 kHz
f = 1 MHz
f = 1 MHz
f = 1 MHz
f = 100 MHz
f = 400 MHz
f = 100 MHz
f = 400 MHz
f = 100 MHz
f = 400 MHz
f = 100 MHz
f = 400 MHz
f = 100 MHz
f = 400 MHz
f = 100 MHz
f = 400 MHz
1000 N. Shiloh Road, Garland, TX 75042
(972) 487-1287 FAX (972) 276-3375
TOÐ226AA Package
Dimensions in Inches (mm)
Pin Configuration
1 Drain, 2 Source, 3 Gate
Surface Mount
SMPJ304, SMPJ305
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