AC16DGM Teccor Electronics, AC16DGM Datasheet - Page 92

• Manufacturer Part Number: AC16DGM
• Manufacturer: Teccor Electronics

Sidac
Figure E9.15 Relaxation Oscillator Using a Sidac
Figure E9.16 Sidac Added to Protect Transistor for Typical Transistor Inductive Load Switching Requirements
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Input
Note A: Input pulse width is increased until I
Note B: Sidac (or Diac or series of Diacs) chosen so that V
The Sidac (or Diac) eliminates a reverse breakdown of the transistor in inductive switching circuits where otherwise the
transistor could be destroyed.
50
50
(or equivalent)
V
2N6127
BB1
V
DC(IN)
=10 V
(See Note B)
V
(a) Circuit
B0
R
150
+
-
BB1
R
V
R
R
100
Test Circuit
BB2
max
min
BB2
=
=0
=
V
R
C
C
V
V
I H (MIN)
IN
IN
I BO
- V
- V
TM
BO
SIDAC
I
L
CM
V
R
TIP-47
V
CC
S
CE
= 0.63 A.
= 0.1
= 20 V
Monitor
R
L
E9 - 6
V
BO
+
-
V
I
L
C
100 mH
BO
is just below V
I
C
Monitor
(b) Waveforms
Voltage
CEO
Input
Collector
Collector
Voltage
Current
Sidac V
V
rating of transistor to be protected.
CE(sat)
0.63 A
10 V
5 V
0 V
BO
0
Voltage and Current Waveforms
(See Note A)
t
w
3 ms
t
w
100 ms
t
t
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