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2N3971 Datasheet, PDF (1/1 Pages) New Jersey Semi-Conductor Products, Inc. – N-CHANNEL JFET
8/2014
2N3971, 2N3972
N-Channel Silicon Junction Field-Effect Transistor
∙ Low rDS(on)
∙ ID(off) < 250 pA
∙ Fast Switching
Absolute maximum ratings at TA = 25oC
Reverse Gate Source & Gate Drain Voltage -40V
Continuous Forward Gate Current
50 mA
Continuous Device Power Dissipation 300 mW
Power Derating
1.7 mW/oC
Storage Temperature Range
-65oC to +150oC
At 25oC free air temperature
Static Electrical Characteristics
Gate Source Breakdown
Voltage
V(BR)GSS
Gate Reverse Current
IGSS
2N3971
Min Max
-40
250
2N3972
Min Max
-40
250
Gate Source Cutoff Voltage
VGS(OFF)
-2
-5 -0.5
-3
Drain Saturation Current
IDSS
(pulsed)
Dynamic Electrical Characteristics
Drain -Source On Resistance
rds(on)
Common-Source Input
Capacitance
Ciss
Common-Source Reverse
Transfer Capacitance
Crss
Turn-On Delay Time
td
25 75 5
30
60
100
25
25
6
6
15
40
Rise Time
Turn-Off Time
tr
15
40
toff
60
100
Unit
V
pA
V
mA
Process NJ132
Test Conditions
IG = -1 uA, VDS = 0 V
VGS = -10 V, VDS = 0
V
VDS = 10 V, VGS = 0
V
VDS = 10 V, VGS = 0
V
Ω
VGS = 0 V, ID = 0 V
f=1
kHz
pF
VDS = -10 V, VGS = 1 f = 1
V
MHz
pF
VDS = 10 V, ID = 5
mA
f=1
MHz
nS
VDD = 10 V, VGS(on) =
0V
nS
VDD = 10 V, VGS(on) =
0V
nS
VDD = 10 V, VGS(on) =
0V
SMP3971, SMP3972
715 N. Glenville Dr., Ste. 400
Richardson, TX 75089
(972) 238-9700 Fax (972) 238-5338
www.interfet.com