Datasheet > DB4

DB4

更新时间： 2024-10-01 06:52:19

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描述
SIGNAL BIDIRECTIONAL DIAC

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中文翻译

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数据手册

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DB4 数据手册

SIGNAL BIDIRECTIONAL

DIAC

DB3 / DB4

Features

The three layer, two terminal, axial lead,

hermetically sealed diacs are designed

specifically for triggering thyristors.

They demonstrate low breakover current

at breakover voltage as they withstand

peak pulse current. The breakover

symmetry is within three volts.

R-1

DO-35(GLASS)

0.075(1.9)

0.102(2.6)

0.091(2.3)

DIA.

MAX.

DIA.

0.787(20.0)

MIN.

1.083(27.5)

MIN.

These diacs are intended for use in

thyristors phase control, circuits for lamp

dimming, universal motor speed control,

and heat control

0.154(3.9)

MAX.

0.126(3.2)

0.106(2.7)

1.083(27.5)

MIN.

0.787(20.0)

MIN.

0.025(0.65)

0.021(0.55)

DIA.

0.020(0.52)

MAX.

DEC's DB3/DB4 are bi-directional trigged

diode designed to operate in conjunction

with Triacs and SCR's

DIA.

Dimensions in inches and (millimeters)

Absolute Ratings (Limiting Values)

Value

Parameters

Symbols

Units

DB4

DB3

Power Dissipation on Printed

Circuit(L=10mm)

150

TA=50℃

Repetitive Peak on-state

Current

tp=10μs

F=100Hz

2.0

TRM

Storage and Operating Junction Temperature

℃

-40 to +125/-40 to 110

STG/TJ

Electrical characteristics

Value

Parameters

Test Conditions

Symbols

Units

DB4

DB3

Min

Typ

Max

C=22nF(Note2)

See diagram 1

Breakover Voltage (Note 2)

+VBO

C=22nF(Note2)

See diagram 1

Breakover Voltage Symmetry

Max

Min

±3

BO|

△I=(IBO to IF=10mA)

Dynamic Breakover Voltage (Note 1)

|±△V|

See diagram 1

See diagram 2

C=22nF(Note2)

See diagram 3

Output Voltage (Note 1)

Breakover Current (Note 1)

Rise Time (Note 1)

Min

Max

Typ

100

1.5

μA

μS

=0.5 VBO max

Leakage Current (Note 1)

Max

μA

see diagram 1

Notes:

(1) Electrical characteristics applicable in both forward and reverse directions

(2) Connected in parallel with the devices

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