Wing DB4 Silicon bidirectional diac Datasheet

SILICON BIDIRECTIONAL DIAC
DO-35(GLASS)
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. These diacs are
intended for use in thyrisitors phase control , circuits for lamp dimming, universal
motor speed control ,and heat control.
DB4 are bi-directional trigged diode designed to operate
in conjunction with Triacs and SCR's
ABSOLUTE RATINGS(LIMITING VALUES)
PC
Power Dissipation on Printed
Circuit(L=10mm)
TA=50 C
ITRM
Repetitive Peak on-state
Current
tp=10µs
F=100Hz
TSTG /TJ
Dimensions in inches and (millimeters)
mW
150
2.0
Storage and Operating Junction Temperature
2.0
2.0
-40 to+125/-40 to 110
16
A
C
ELECTRICAL CHARACTERISTICS
VBO
I +VBO II - VBO I
I+ VI
Breakover Voltage (Note 2 )
C=22nF(Note 2)
See diagram 1
Min
Typ
Max
Breakover Voltage Symmetry
C=22nF(Note 2)
See diagram 1
Max
I=(IBO to IF=10mA)
See Diagram 1
Min
Dynamic Breakover Voltage (Note1)
35
40
45
+3
V
V
V
VO
Output Voltage (Note 1 )
See Diagram 2
Min
5
V
IBO
Breakover Current (Note1)
C=22nF(Note 2)
Max
100
µA
See Diagram 3
Typ
1.5
µS
VB=0.5 VBO max
see diagram 1
Max
10
µA
tr
IB
Rise Time (Note1)
Leakage Current (Note1)
Notes: 1.Electrical characteristics applicable in both forward and reverse directions.
2.Connected in parallel with the devices.
Wing Shing Computer Components Co., (H.K .)L td.
Homepage: http: / / www.wingshing.com
Tel: (852)2341 92 7 6 Fax : (852)27 9 7 8153
E-mail: [email protected]
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