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B-60
J304, J305
N-Channel Silicon Junction Field-Effect Transistor
01/99
¥ Mixers
¥ Oscillators
¥ VHF/UHF Amplifiers
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
Common Source Input Capacitance
Common Source Reverse
Transfer Capacitance
Common Source Output Capacitance
g os
Ciss
Crss
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
3000
4200
50
33
50
0.85 0.85
11
60 60
80
800 800
3600
80 80
800
2000 2000
7500
20
11
1.7
3.8
µS
µS
µS
µS
pF
pF
pF
µS
µS
µS
µS
µS
µS
µS
µS
dB
dB
dB
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
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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