DB3S Galaxy Semi-Conductor Holdings Limited, DB3S Datasheet

DB3S

Manufacturer Part Number

DB3S

Description

Silicon Bidirectional Diacs

Manufacturer

Galaxy Semi-Conductor Holdings Limited

Datasheet

1.DB3S.pdf (2 pages)

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Document Number 0283001

FEATURES

1111sealed diacs are designed specifically for triggering

1111thyristors.They demonstrate low breakover current at

1111breakover voltage as they withstand peak pulse

1111current,The breakover symmetry is within three

1111volts(DB3,DB4). These diacs are intended for use in

CCCthyrisitors phase control,circuits for lamp dimming,

FFFI

ABSOLUTE RATINGS

Power dissipation on printed

Repetitive peak on-state

current

Operating junction temperature

Storage temperature

ELECTRICAL CHARACTERISTICS

NOTE: *Electrical characteristics applicable in both forw ard and reverse dirctions.

=50

SILICON BIDIRECTIONAL DIACS

Dynamic breakover voltage

The three layer,two termnal,axial lead,hermetically

universal motor speed control,and heat control.

**Connected in parallel w ith the devices

C circuit (L=10mm)

Breakover voltage symmetry

Breakover voltage

Breakover current

Leakage current

Output voltage

Rise time

Parameters

GALAXY ELECTRICAL

Parameters

(NOTE 1)

f=120Hz

tp=20 S

(NOTE 1)

Symbols

I+V

I± VI

I-V

TRM

STG

I-

GALAXY ELECTRICAL

C=22nf

I=(I

C=22nf

See FIG.1

See FIG.2

See FIG.3

See FIG.1

Test Conditions

=0.5 V

to I

(NOTE 2)

R-1

=10mA)

VOLTAGE RANGE: 28-45 V

-40--- +125

DB3,DB4

150.0

2.0

Min

Max

Typ

Min

Typ

DB3

100.0

Dimensions in millimeters

±3.0

10.0

5.0

1.5

www.galaxycn.com

DB3.DB4

DB4

UNITS

Related parts for DB3S

DB3S Summary of contents

Page 1

BL GALAXY ELECTRICAL SILICON BIDIRECTIONAL DIACS FEATURES The three layer,two termnal,axial lead,hermetically 1111sealed diacs are designed specifically for triggering 1111thyristors.They demonstrate low breakover current at 1111breakover voltage as they withstand peak pulse 1111current,The breakover symmetry is within three 1111volts(DB3,DB4). These ...

Page 2

RATINGS AND CHARACTERISTIC CURVES FIG.1--VOLTAGE-CURRENT CHARACTERISTIC CURVE +I F 10mA FIG.3-- TEST CIRCUIT SEE FIG.2 ADJUST R FOR I 90% 10% tr FIG.5--RELATIVE VARIATION OF V TEMPERATURE(TYPICAL VALUES) VBO VBO(T J ...

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