01/99 B-13
2N4391, 2N4392, 2N4393
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 50 mA
Continuous Device Power Dissipation 1.8 W
Power Derating 12 mW/°C
TOÐ18 Package
See Section G for Outline Dimensions
Pin Configuration
1 Source, 2 Drain, 3 Gate & Case
Surface Mount
SMP4391, SMP4392, SMP4393
At 25°C free air temperature 2N4391 2N4392 2N4393 Process NJ132
Static Electrical Characteristics Min Max Min Max Min Max Unit Test Conditions
Gate Source Breakdown Voltage V(BR)GSS – 40 – 40 – 40 V IG= – 1µA, VDS = ØV
Gate Reverse Current IGSS – 100 – 100 – 100 pA VGS = – 20V, VDS = ØV
– 200 – 200 – 200 nA VGS = – 20V, VDS = ØV TA= 150°C
Gate Source Cutoff Voltage VGS(OFF) – 4 – 10 – 2 – 5 – 0.5 – 3 V VDS = – 20V, ID= 1 nA
Gate Source Forward Voltage VGS(F) 111VI
G= 1 mA, VDS = ØV
Drain Saturation Current (Pulsed) IDSS 50 150 25 75 5 30 mA VDS = 20V, VGS = ØV
100 pA VDS = 20V, VGS = – 5V
200 nA VDS = 20V, VGS = – 5V TA= 150°C
Drain Cutoff Current ID(OFF) 100 pA VDS = 20V, VGS = – 7V
200 nA VDS = 20V, VGS = – 7V TA= 150°C
100 pA VDS = 20V, VGS = – 12V
200 nA VDS = 20V, VGS = – 12V TA= 150°C
0.4 V VGS = ØV, ID= 3 mA
Drain Source ON Voltage VDS(ON) 0.4 V VGS = ØV, ID= 6 mA
0.4 V VGS = ØV, ID= 12 mA
Static Drain Source ON Resistance rDS(ON) 30 60 100 ΩVGS = ØV, ID= 1 mA
Dynamic Electrical Characteristics
Drain Source ON Resistance rds(on) 30 60 100 ΩVGS = ØV, ID= ØA f = 1 kHz
Common Source Input Capacitance Ciss 14 14 14 pF VDS = 20V, VGS = ØV f = 1 kHz
Common Source Reverse 3.5 pF VDS = ØV, VGS = – 5V f = 1 kHz
Transfer Capacitance Crss 3.5 pF VDS = ØV, VGS = – 7V f = 1 kHz
3.5 pF VDS = ØV, VGS = – 12V f = 1 kHz
Switching Characteristics
Turn ON Delay Time td(on) 15 15 15 ns VDD = 10V, VGS(ON) = ØV
Rise Time tr555ns 2N4391 2N4392 2N4393
Turn OFF Delay Time td(off) 20 35 50 ns ID(ON) 12 6 3 mA
Fall Time tf15 20 30 ns VGS(OFF) – 12 – 7 – 5 V
¥ Low On Resistance Analog
Switches
¥ Choppers
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(972) 487-1287 FAX (972) 276-3375
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Databook.fxp 1/14/99 11:30 AM Page B-13
