IFET 2N4393, 2N4392, 2N4391 Datasheet

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 I

GSS

– 100 – 100 – 100 pA VGS= – 20V, VDS= ØV
– 200 – 200 – 200 nA VGS= – 20V, VDS= ØV TA= 150°C

Gate Source Cutoff Voltage V

GS(OFF)

– 4 – 10 – 2 – 5 – 0.5 – 3 V VDS= – 20V, ID= 1 nA

Gate Source Forward Voltage V

GS(F)

111VI

G

= 1 mA, VDS= ØV

Drain Saturation Current (Pulsed) I

DSS

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 I

D(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 V

DS(ON)

0.4 V VGS= ØV, ID= 6 mA

0.4 V VGS= ØV, ID= 12 mA

Static Drain Source ON Resistance r

DS(ON)

30 60 100 Ω VGS= ØV, ID= 1 mA

Dynamic Electrical Characteristics

Drain Source ON Resistance r

ds(on)

30 60 100 Ω VGS= ØV, ID= ØA f = 1 kHz

Common Source Input Capacitance C

iss

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

C

rss

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 t

d(on)

15 15 15 ns VDD= 10V, V

GS(ON)

= ØV

Rise Time t

r

555ns 2N4391 2N4392 2N4393

Turn OFF Delay Time t

d(off)

20 35 50 ns I

D(ON)

12 6 3 mA

Fall Time t

f

15 20 30 ns V

GS(OFF)

– 12 – 7 – 5 V

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Databook.fxp 1/14/99 11:30 AM Page B-13