Features
The three layer, two terminal, axial lead, hermetically sealed
diacs are designed specifically for triggering thyristors.
Intended for use in thyrisitors phase control ,
circuits for lamp dimming, universal motor speed control ,and
heat control.
Electrical Characteristics @ 25oC Unless Otherwise Specified
DB3TG
SILICON
BIDIRECTIONAL
DIAC
Power dissipation
on Printed
Circuit(l=10mm)
PC150mW
TA=65oC
Repetitive Peak
on-state Current ITRM 2.0A
tp=10us,f=120Hz
Breakover Voltage
VBO
Min Typ Max
30 32 34V C=22nF(Note 3)
Breakover
Current(Note 2) IBO(max) 15uA C=22nF
Rise Time(Note 2) Tr2us(max)
Leaka
g
e
Current(Note 2) IB(max) 10uA VB=0.5VBO(max)
DO-35G
INCHES MM
DIM MIN MAX MIN MAX NOTE
A --- .150 --- 3.8
B --- .079 --- 2.00
C --- .020 --- .52
D 1.083 --- 27.50 ---
A
B
C
D
D
DIMENSIONS
omponents
20736 Marilla Street Chatsworth
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MCC
Revision: C 2012/01/01
TM
Micro Commercial Components
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• Lead Free Finish/Rohs Compliant (Note1) ("P"Suffix designates
Compliant. See ordering information)
• Moisture Sensitivity: Level 1 per J-STD-020C
2. Electrical characteristics applicable in both forward and
Note: 1. Lead in Glass Exemption Applied, see EU Directive Annex 7(C)-I.
reverse directions.
3. Connected in parallel with the devices.
Dynamic breakover
voltage (Note2) VBO and VFat
10mA
∆V9V(Min)
Breakover Voltage
Symmetry |+VBO |
-|-VBO|±2V C=22nF(Note 3)
Volta
g
e
(
Note 2
)
Out
p
ut Vo(min) 5V
Storage Temperature: -40oC to +125oC
Thermal Resistance Junction to Lead:167 C/W
Thermal Resistance Junction to Ambient: 400 C/W
Maximum Ratings
o
o
Operating Temperature: -40oC to +125oC
Revision: C 2012/01/01
MCC
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Micro Commercial Components
www.mccsemi.com
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Typical Performance Characteristics
Diagram 1 : Test circuit Figure 1. Admissible Power Dissipation Curve
Figure 2. Relative Variation of VBO versus
Junction Temperature
Figure 3. Repetitive Peak Pulse Current versus
Pulse Duration (maximum values)
VBO : Break-Over Voltage
IBO : Break-Over Current
ǻV: Dynamic Breakover Voltage
IB: Leakage Current at VB=0.5*VBO
VF: Voltage at Current IF=10mA
ǻV
VBO
0.5VBO
VF
IF=10m
IBO
IB
Ambient Tempeatature (oC)
0
40
80
120
160
0 10 20 30 40 50 60 70 80 90 100 110 120 130
Power Dissipation (mW)
1.00
1.01
1.02
1.03
1.04
1.05
1.06
1.07
1.08
25 50 75 100 125
VBO [Tj] / VBO [Tj=25°C]
Tj(°C)
0.1
1
10
100
1 10 100
tp (ȝs)
Repetitive peak pulse current (A)
MCC
Revision: C 2012/01/01
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Micro Commercial Components
www.mccsemi.com
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1
Device Packing
Part Number-TP Tape&Reel: 5Kpcs/Reel
Part Number-AP Ammo Packing: 5Kpcs/Ammo Box
Part Number-BP Bulk: 100Kpcs/Carton
Ordering Information :
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Micro Commercial Components Corp. reservesthe right to make changes without further notice to any product herein to
make corrections, modifications , enhancements , improvements , or other changes . Micro Commercial Components
Corp . does not assume any liability arising out of the application or use of any product described herein; neither does it
convey any license under its patent rights ,nor the rights of others . The user of products in such applications shall assume all
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represented on our website, harmless against all damages.
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MCC's products are not authorized for use as critical components in life support devices or systems without the express written
approval of Micro Commercial Components Corporation.
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