B-20
01/99
2N5397, 2N5398
N-Channel Silicon Junction Field-Effect Transistor
Absolute maximum ratings at T = 25¡C
¥ Low-Noise
A
Reverse Gate Source & Reverse Gate Drain Voltage
– 25 V
25 V
10 mA
¥ High Power Gain
¥ High Transconductance
¥ Mixers
Drain Source Voltage
Continuous Forward Gate Current
Continuous Device Power Dissipation
Power Derating
300 mW
1.7 mW/°C
¥ Oscillators
¥ VHF Amplifiers
At 25°C free air temperature:
Static Electrical Characteristics
2N5397
2N5398
Process NJ26L
Test Conditions
I = – 1 µA, V = ØV
Min Max Min Max Unit
Gate Source Breakdown Voltage
Gate Source Forward Voltage
V
– 25
– 25
V
V
(BR)GSS
G
DS
V
1
1
I = 1 mA, V = ØV
G DS
GS(F)
– 0.1
– 0.1
– 0.1 nA
– 0.1 µA
V
= – 15V, V = ØV
GS
DS
Gate Reverse Current
I
GSS
V
= – 15V, V = ØV
T = 150°C
GS
DS
A
Gate Source Cutoff Voltage
V
– 1 – 6 – 1 – 6
V
V
= 10V, I = 1 nA
GS(OFF)
DS
D
Drain Saturation Current (Pulsed)
I
10
30
5
40
mA
V
= 10V, V = ØV
DSS
DS
GS
Dynamic Electrical Characteristics
Common Source
Forward Transconductance
g
5.5
6
9
5
10
10
mS
mS
V
= 10V, I = 10 mA
f = 450 MHz
f = 1 kHz
fs
DG
D
Common Source
Forward Transfer Admittance
| Y |
10
5.5
V
= 10V, I = 10 mA
fs
DS
D
Common Source Output Conductance
Common Source Input Admittance
Common Source Input Conductance
Common Source Input Capacitance
| g
|
0.4
0.2
2
0.5 mS
0.4 mS
V
= 10V, I = 10 mA
f = 450 MHz
f = 1 kHz
os
DG
D
| Y |
V
= 10V, I = 10 mA
os
DS
D
g
3
mS
pF
V
= 10V, I = 10 mA
f = 450 MHz
f = 1 kHz
is
DG
D
C
5
5.5
V
= 15V, V = ØV
iss
DG
GS
Common Source
Reverse Transfer Capacitance
C
1.2
1.3
pF
V
= 15V, V = ØV
f = 1 kHz
rss
DG
GS
TOÐ72 Package
Dimensions in Inches (mm)
Surface Mount
SMP5397, SMP5398
Pin Configuration
1 Source, 2 Drain, 3 Gate, 4 Case
1000 N. Shiloh Road, Garland, TX 75042
(972) 487-1287 FAX (972) 276-3375
www.interfet.com