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.

Parameter

Symbol

Value

Unit

150

mW

Repetitive Peak On-state Current (tp = 20 µs, f = 100 Hz)

2

A

Operating Junction and Storage Temperature Range

- 40 to + 125

O

C

Parameter

Symbol

Min.

Max.

Unit

DB3

28

36

DC34

30

38

Breakover Voltage

at C = 22 nF, see diagram 1

DB4

35

45

V

Breakover Voltage Symmetry

at C = 22 nF, see diagram 1

-

3

V

Dynamic Breakover Voltage

at

ΔI = [I

|

ΔV ± |

5

-

V

Output Voltage

See diagram 2

5

-

V

Breakover Current

at C = 22 nF

-

50

µA

Leakage Current

-

10

µA

Rise Time

See diagram 3

-

2

µs

Max. 3.9

Max. 1.9

Glass Case DO-35

Max. 0.5

Min. 27.5

Min. 27.5

XXX

Part No.

ST

"ST" Brand

Dimensions in mm

Black

Black