DB3 View Datasheet(PDF) - Nanjing International Group Co
Part Name
Description
Manufacturer
DB3 Datasheet PDF : 2 Pages
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DB3, DB4, DC34
Silicon Bidirectional Trigger Diodes
These diacs are intended for use in thyristor phase control,
circuits for lamp-dimming, universal-motor speed controls, and
heat controls.
Max. 0.5
Max. 1.9
Min. 27.5
Black
Part No.
Black
"ST" Brand
XXX
Max. 3.9
ST
Min. 27.5
Glass Case DO-35
Dimensions in mm
Absolute Maximum Ratings (Ta = 25 OC)
Parameter
Power Dissipation (Ta = 65 OC)
Repetitive Peak On-state Current (tp = 20 µs, f = 100 Hz)
Operating Junction and Storage Temperature Range
Symbol
Value
Unit
Ptot
150
mW
ITRM
2
A
Tj, Tstg
- 40 to + 125
OC
Characteristics at Ta = 25 OC
Parameter
Breakover Voltage
at C = 22 nF, see diagram 1
Breakover Voltage Symmetry
at C = 22 nF, see diagram 1
Dynamic Breakover Voltage
at ΔI = [IBO to IF = 10 mA]
Output Voltage
See diagram 2
Breakover Current
at C = 22 nF
Leakage Current
at VB = 0.5 VBO max
Rise Time
See diagram 3
DB3
DC34
DB4
Symbol
VBO
[|+VBO|-|-VBO|]
| ΔV ± |
VO
IBO
IB
tr
Min. Max. Unit
28
36
30
38
V
35
45
-
3
V
5
-
V
5
-
V
-
50
µA
-
10
µA
-
2
µs
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