Part Name
         Description
IFN146

 Dual N-Channel Silicon Junction Field-Effect Transistor ( 1 Page)


INTERFET
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01/99
D-5
IFN146
Dual N-Channel Silicon Junction Field-Effect Transistor
Absolute maximum ratings at TA = 25¡C
Reverse Gate Source & Reverse Gate Drain Voltage
– 40 V
Continuous Forward Gate Current
10 mA
Continuous Device Power Dissipation
375 mW
Power Derating
3 mW/°C
Storage Temperature Range
– 65°C to 200°C
TOÐ71 Package
Dimensions in Inches (mm)
Pin Configuration
1 Source, 2 Gate, 3 Drain,
5 Source, 6 Gate, 7 Drain
At 25°C free air temperature:
IFN146
Process NJ450
Static Electrical Characteristics
Min
Typ
Max
Unit
Test Conditions
Gate Source Breakdown Voltage
V(BR)GSS
– 40
V
IG = – 1 µA, VDS = ØV
Gate Reverse Current
IGSS
– 1
nA
VGS = – 30V, VDS = ØV
– 1
µA
VGS = – 30V, VDS = ØV
TA = 150°C
Gate Source Cutoff Voltage
VGS(OFF)
– 0.3
– 1.2
V
VDS = 10V, ID = 1 µA
Drain Saturation Current (Pulsed)
IDSS
30
mA
VDS = 10V, VGS = ØV
Dynamic Electrical Characteristics
Common Source
gfs
30
40
mS
VDS = 10V, VGS = ØV
f = 1 kHz
Forward Transconductance
IDSS = 5 mA
Common Source Input Capacitance
Ciss
75
pF
VDS = 10V, VGS = ØV
f = 1 kHz
Common Source Reverse
Crss
15
pF
VDS = 10V, ID = ØA
f = 1 kHz
Transfer Capacitance
Noise Figure
NF
1
dB
VDS = 10V, ID = 5 mA
f = 1 kHz
RG = 100Ω
Differential Gate Source Voltage
|VGS1– VGS2|
20
mV
VDS = 10V, ID = 5 mA
¥ Low-Noise Audio Amplifier
¥ Equivalent to Japanese 2SK146
1000 N. Shiloh Road, Garland, TX 75042
(972) 487-1287 FAX (972) 276-3375
Databook.fxp
1/13/99 2:09 PM
Page D-5
1 



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