LLDB3, LLDB4

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

LLDB3

28

36

Breakover Voltage

at C = 22 nF, see diagram 1

LLDB4

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

LL-34

Glass Case Mini MELF

Dimensions in mm

3.5±0.1

0.3±0.1

o

Version 1.0

2019/8/2

http://www.bytesonic.com

.tw