DB3 Datasheet, PDF (2/4 Pages) STMicroelectronics – TRIGGER DIODES

DB3 / DB4 / DC34
ELECTRICAL CHARACTERISTICS (Tj = 25°C)
Symbol
Parameter
Test Conditions
Value
Unit
DB3 DC34 DB4
V_BO
Breakover voltage *
C = 22nF **
MIN 28 30 35
V
see diagram 1
TYP 32 34 40
MAX 36 38 45
[I+VBOI-I-VBOI] Breakover voltage
C = 22nF **
MAX
±3
V
symmetry
see diagram 1
I∆V± I
Dynamic breakover ∆I = [I_BO to I_F=10mA] MIN
5
V
voltage *
see diagram 1
VO
Output voltage *
see diagram 2
MIN
5
V
I_BO
Breakover current *
C = 22nF **
MAX 100 50 100 µA
tr
Rise time *
see diagram 3
TYP
1.5
µs
I_B
Leakage current *
V_B = 0.5 V_BO max MAX
10
µA
see diagram 1
* Electrical characteristic applicable in both forward and reverse directions.
** Connected in parallel with the devices.
DIAGRAM 1 : Current-voltage characteristics
DIAGRAM 2 : Test circuit for output voltage
-V
2/4
+ IF
1 0m A
220 V
50 Hz
10 k
500 k
0.1 F
D.U.T
V_O
R = 20
IBO
IB
+V
0,5 VBO
V
VBO
- IF
DIAGRAM 3 : Test circuit see diagram 2.
Adjust R for lp=0.5A
lp
90 %
10 %
t_r
®