DB3M Galaxy Semi-Conductor Holdings Limited, DB3M Datasheet
DB3M
Manufacturer Part Number
DB3M
Description
Silicon Bidirectional Diacs
Manufacturer
Galaxy Semi-Conductor Holdings Limited
Datasheet
1.DB3M.pdf
(2 pages)
Document Number 0283006
FEATURES
ABSOLUTE RATINGS
Power dissipation on printed
T
Repetitive peak on-state
current
Operating junction temperature
Storage temperature
ELECTRICAL CHARACTERISTICS
NOTE: 1. Electrical characteristics applicable in both forw ard and reverse dirctions.
A
=50
SILICON BIDIRECTIONAL DIACS
Dynamic breakover voltage
The three layer,two termnal,hermetically sealed diacs
are designed specifically for triggering thyristors.
They demonstrate low break over current at break
over voltage as they withstand peak pulse current,
These diacs are intended for use in thyrisitors
The breakover symmetry is within three volts(DB6).
phase control,circuits for lamp dimming,universal
motor speed control,and heat control.
o
2. Connected in parallel w ith the devices
C
Breakover voltage symmetry
Breakover voltage
Breakover current
Leakage current
Output voltage
Rise time
Parameters
GALAXY ELECTRICAL
Parameters
(NOTE 1)
(NOTE 1)
(NOTE 1)
(NOTE 1)
(NOTE 1)
f=120Hz
tp=20 S
(NOTE 1)
Symbols
I+V
I± VI
I-V
T
I
V
TRM
I
Pc
T
V
STG
BO
I
t
BO
BO
R
BO
r
BL
J
o
I
I-
GALAXY ELECTRICAL
C=22nf
C=22nf
I=(I
C=22nf
See FIG.1
V
See FIG.1
See FIG.2
See FIG.3
BO
See FIG.1
See FIG.1
R
Test Conditions
=0.5 V
to I
MINI-MELF
(NOTE 2)
(NOTE 2)
(NOTE 2)
F
=10mA)
BO
VOLTAGE RANGE: 28-45 V
Cathode indification
3.4
DB3M,DB4M
-40--- +125
-40--- +125
+0.3
-0.1
150.0
2.0
Min
Max
Max
Max
Max
Typ
Min
Min
Typ
DB3M
0.4±0.1
28
32
36
Dimensions in millimeters
100.0
±3.0
10.0
5.0
5.0
1.5
DB3M.DB4M
DB4M
www.galaxycn.com
35
40
45
UNITS
UNITS
mW
o
o
V
A
V
V
V
C
C
S
A
A
1.
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DB3M Summary of contents
Page 1
... I C=22nf (NOTE 2) BO See FIG =0 See FIG.1 BL GALAXY ELECTRICAL DB3M.DB4M 0.4±0.1 +0.3 3.4 -0.1 Dimensions in millimeters DB3M,DB4M 150.0 2.0 -40--- +125 -40--- +125 DB3M DB4M Min 28 35 Typ 32 40 Max 36 45 ±3.0 Max Min 5.0 5.0 Min Max 100.0 1.5 Typ 10.0 Max www.galaxycn.com UNITS ...
Page 2
... Tamb( ℃ FIG.6--PEAK PULSEE CURRENT VERENT VERSUS PULSE DURATION(MAXIMUM VALUES) (A) TRM 2 1 f=100Hz T J initial=25℃ 0.1 tp( s) 0.01 100 1000 10 DB3M.DB4M R=20 Ω 100 110 120 130 10000 www.galaxycn.com 2. ...