01/99
B-33
IF1801
N-Channel Silicon Junction Field-Effect Transistor
¥ Low-Noise, High Gain Amplifier
Absolute maximum ratings = T
A
at 25¡C
Reverse Gate Source Voltage & Gate Drain Voltage
Continuous Forward Gate Current
Continuous Device Power Dissipation
Power Derating
Storage Temperature Range
– 20 V
10 mA
300 mW
2 mW/°C
– 65°C to 200°C
At 25°C free air temperature:
Static Electrical Characteristics
IF1801
Min
Max
Unit
Process NJ1800DL
Test Conditions
Gate Source Breakdown Voltage
Gate Reverse Current
Gate Source Cutoff Voltage
Drain Saturation Current (Pulsed)
Dynamic Electrical Characteristics
V
(BR)GSS
I
GSS
V
GS(OFF)
I
DSS
– 20
– 0.35
30
– 0.1
–2
V
nA
V
mA
I
G
= – 1 µA, V
DS
= ØV
V
GS
= – 10V, V
V
DS
= 10V, I
D
= 0.5 nA
V
DS
= 10V, V
GS
= ØV
Common Source
Forward Transconductance
Common Source Input Capacitance
Common Source
Reverse Transfer Capacitance
g
fs
C
iss
C
rss
50
100
50
Typ
mS
pF
pF
V
DS
= 10V, I
D
= 5 mA
V
DS
= 10V, I
D
= 5 mA
V
DS
= 10V, I
D
= 5 mA
f = 1 kHz
f = 1 MHz
f = 1 MHz
Equivalent Short Circuit
Input Noise Voltage
e
N
¯
0.5
nV/√Hz
V
DG
= 4V, I
D
= 5 mA
f = 1 kHz
TOÐ52 Package
Dimensions in Inches (mm)
Pin Configuration
1 Source, 2 Drain, 3 Gate & Case
www.interfet.com
1000 N. Shiloh Road, Garland, TX 75042
(972) 487-1287
FAX
(972) 276-3375
INTERFET [ INTERFET CORPORATION ]
