2N6027, 2N6028
TYPICAL VALLEY CURRENT BEHAVIOR
1000
IV, VALLEY CURRENT (
m
A)
IV, VALLEY CURRENT (
m
A)
500
R
G
= 10 kW
100
R
G
= 10 kW
100
100 kW
100 kW
10
1 MW
1 MW
10
5
10
V
S
, SUPPLY VOLTAGE (V)
15
20
5
−50
−25
0
+25
+50
+75
+100
T
A
, AMBIENT TEMPERATURE (°C)
Figure 4. Effect of Supply Voltage
Figure 5. Effect of Temperature
10
V
P
, PEAK FORWARD VOLTAGE (V)
5.0
2.0
1.0
0.5
0.2
0.1
0.05
0.02
0.01
0.01
0.02
0.05
0.1
0.2
0.5
1.0
2.0
5.0
T
A
= 25°C
Vo, PEAK OUTPUT VOLTAGE (V)
25
T
A
= 25°C
(SEE FIGURE 3)
20
C
C
= 0.2
mF
15
10
1000 pF
5.0
0
0
5.0
10
15
20
25
30
35
40
I
F
, PEAK FORWARD CURRENT (AMP)
V
S
, SUPPLY VOLTAGE (V)
Figure 6. Forward Voltage
Figure 7. Peak Output Voltage
A
G
E
A
P
N
P
N
K
G
B2
R
2
R
BB
= R1 + R2
R1
h
=
R1 + R2
R
1
R
T
A
G
R
1
K
B1
R
2
+
C
C
K
Circuit Symbol
Equivalent Circuit
with External Program"
Resistors R1 and R2
Typical Application
Figure 8. Programmable Unijunction
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