PARAMETERS

SYMBOL

DB3

DB4

UNITS

VOLT

28

35

Min

Breakover Voltage

+VBO, -VBO

32

40

Typ

36

45

Max

VOLT

Breakover Voltage Symmetry

(+VBO)-(-VBO)

3

3

Max

VOLT

Dynamic Breakback Voltage

VBO - VBR

5

5

Min

uA

Breakover Current

+IBO, -IBO

100

100

Max

Peak Pulse Current for

AMP

10uS, 120pps, TA<=40

IP

2.0

2.0

Max

TECHNICAL SPECIFICATIONS OF BIDIRECTIONAL DIODE THYRISTORS (DIACS)

FEATURES

MECHANICAL DATA

* Case: Glass sealed case

* Mounting position: Any

* Weight: 0.15 gram

MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS

Ratings at 25

Single phase, half wave, 60 Hz, resistive or inductive load.

For capacitive load, derate current by 20%.

DB3

THRU

DB4

DO-35

Dimensions in millimeters

RECTIFIER SPECIALISTS

R

DC COMPONENTS CO., LTD.

* Lead: MIL-STD-202E, Method 208 guaranteed

* Glass passivalted three-layer for triggering thyristors.

* Low breakover current at breakover voltage.

* For use in thyristor phase-control circuit for lampdimming,

universal-motor speed control and heat controls.

0.52Ø

2.0MAX

25.0MIN

4.2MAX

25.0MIN

156

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