2N3972 Datasheet PDF - Central Semiconductor


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2N3972
Central Semiconductor

Part Number 2N3972
Description N-CHANNEL JFET
Page 2 Pages

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DATA SHEET
2N3970
2N3971
2N3972
N-CHANNEL JFET
JEDEC TO-18 CASE
DESCRIPTION
The CENTRAL SEMICONDUCTOR 2N3970 series types are N-Channel Junction Field Effect Transistors,
designed for amplifier, chopping, and analog switching applications.
MAXIMUM RATINGS (TA=25oC)
SYMBOL
Drain-Gate Voltage
Source-Gate Voltage
Gate Current
Power Dissipation (TC=25oC)
Operating and Storage
Junction Temperature
VDG
VSG
IG
PD
TJ,Tstg
ELECTRICAL CHARACTERISTICS (TA=25oC unless otherwise noted)
40
40
50
1.8
-65 to +200
SYMBOL
TEST CONDITIONS
2N3970
2N3971
2N3972
MIN MAX MIN MAX MIN MAX
IDSS
IDGO
IDGO
ID(off)
ID(off)
BVGSS
VGS(off)
VDS(on)
VDS(on)
VDS(on)
rDS(on)
rds(on)
Ciss
Crss
VDS=20V, VGS=0V
VDG=20V, IS=0
VDG=20V, IS=0, TA=150oC
VDS=20V, VGS=12V
VDS=20V, VGS=12V, TA=150oC
IG=1.0µA, VDS=0V
VDS=20V, ID=1.0nA
ID=20mA, VGS=0V
ID=10mA, VGS=0V
ID=5.0mA, VGS=0V
ID=1.0mA, VGS=0
ID=0, VGS=0, f=1.0kHz
VDS=20V, VGS=0, f=1.0MHz
VDS=0, VGS=12V, f=1.0MHz
50 150 25 75 5.0 30
250 250 250
500 500 500
250 250 250
500 500 500
40 40 40
4.0 10
2.0 5.0 0.5 3.0
1.0 -
-
- 1.5 -
- - 2.0
30 60 100
30 60 100
25 25 25
6.0 6.0 6.0
UNITS
V
V
mA
W
oC
UNITS
mA
pA
nA
pA
nA
V
V
V
V
V
pF
pF
(SEE REVERSE SIDE)
R0



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2N3970 SERIES
N-CHANNEL JFET
SYMBOL
td(on)
td(on)
td(on)
tr
tr
tr
toff
toff
toff
SWITCHING TEST CONDITIONS
ID(on)=20mA, RL=450, VGS(off) =10V
VDD=10V, VGS(on)=0
ID(on)=10mA, RL=850, VGS(off) =5.0V
VDD=10V, VGS(on)=0
ID(on)=5.0mA, RL=1.6K, VGS(off) =3.0V
VDD=10V, VGS(on)=0
ID(on)=20mA, RL=450, VGS(off) =10V
VDD=10V, VGS(on)=0
ID(on)=10mA, RL=850, VGS(off) =5.0V
VDD=10V, VGS(on)=0
ID(on)=5.0mA, RL=1.6K, VGS(off) =3.0V
VDD=10V, VGS(on)=0
ID(on)=20mA, RL=450, VGS(off) =10V
VDD=10V, VGS(on)=0
ID(on)=10mA, RL=850, VGS(off) =5.0V
VDD=10V, VGS(on)=0
ID(on)=5.0mA, RL=1.6K, VGS(off) =3.0V
VDD=10V, VGS(on)=0
2N3970
MIN MAX
10
2N3971
MIN MAX
-
2N3972
MIN MAX
-
UNITS
ns
- 15 - ns
- - 40 ns
10 -
- ns
- 15 - ns
- - 40 ns
30 -
- ns
- 60 - ns
- - 100 ns
TO-18 PACKAGE - MECHANICAL OUTLINE
A
B
C
D
E
F
LEAD #2
LEAD #1
I
45°
G
H
LEAD #3
J
R1
SYMBOL
A (DIA)
B (DIA)
C
D
E
F (DIA)
G (DIA)
H
I
J
DIMENSIONS
INCHES MILLIMETERS
MIN MAX MIN MAX
0.209 0.230 5.31 5.84
0.178 0.195 4.52 4.95
- 0.030 -
0.76
0.170 0.210 4.32 5.33
0.500 - 12.70 -
0.016 0.019 0.41 0.48
0.100
2.54
0.050
1.27
0.036 0.046 0.91 1.17
0.028 0.048 0.71 1.22
TO-18 (REV: R1)
LEAD CODE:
1) SOURCE
2) DRAIN
3) GATE




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