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PDF DB3 Data sheet ( Hoja de datos )

Número de pieza DB3
Descripción DIAC
Fabricantes STMicroelectronics 
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DB3 diac


1. Bidirectional Diac ( PDF )






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No Preview Available ! DB3 Hoja de datos, Descripción, Manual

DB3 DB4 SMDB3
®
DIAC
FEATURES
s VBO : 32V and 40V
s LOW BREAKOVER CURRENT
DESCRIPTION
Functioning as a trigger diode with a fixed voltage
reference, the DB3/DB4 series can be used in
conjunction with triacs for simplified gate control
circuits or as a starting element in fluorenscent
lamp ballasts.
A new surface mount version is now available in
SOT-23 package, providing reduced space and
compatibility with automatic pick and place
equipment.
DO-35
(DB3 and DB4)
2
3
1
SOT-23
(SMDB3)*
Pin 1 and 3 must be shorted
together
ABSOLUTE MAXIMUM RATINGS (limiting values)
Symbol
Parameter
ITRM Repetitive peak on-state current
tp = 20 µs F= 120 Hz
Tstg Storage temperature range
Tj Operating junction temperature range
Value
Unit
SMDB3
1.00 A
DB3 / DB4
2.00
- 40 to + 125 °C
Note: * SMDB3 indicated as Preliminary spec as product is still in development stage.
October 2001 - Ed: 2B
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DB3 pdf
PACKAGE MECHANICAL DATA (in millimeters)
SOT-23
EA
e
B e1 D
S
L
H
A1
c
DB3 DB4 SMDB3
REF.
A
A1
B
c
D
e
e1
E
H
L
S
DIMENSIONS
Millimeters
Inches
Min. Max. Min. Max.
0.89 1.4 0.035 0.055
0 0.1 0 0.004
0.3 0.51 0.012 0.02
0.085 0.18 0.003 0.007
2.75 3.04 0.108 0.12
0.85 1.05 0.033 0.041
1.7 2.1 0.067 0.083
1.2 1.6 0.047 0.063
2.1 2.75 0.083 0.108
0.6 typ.
0.024 typ.
0.35 0.65 0.014 0.026
FOOTPRINT
0.9
0.035
0.9
0.035
1.9
0.075
1.45
0.037
mm
inch
0.9
0.035
Information furnished is believed to be accurate and reliable. However, STMicroelectronics assumes no responsibility for the consequences of
use of such information nor for any infringement of patents or other rights of third parties which may result from its use. No license is granted by
implication or otherwise under any patent or patent rights of STMicroelectronics. Specifications mentioned in this publication are subject to
change without notice. This publication supersedes and replaces all information previously supplied.
STMicroelectronics products are not authorized for use as critical components in life support devices or systems without express written ap-
proval of STMicroelectronics.
The ST logo is a registered trademark of STMicroelectronics
© 2001 STMicroelectronics - Printed in Italy - All rights reserved.
STMicroelectronics GROUP OF COMPANIES
Australia - Brazil - China - Finland - France - Germany - Hong Kong - India - Italy - Japan - Malaysia
Malta - Morocco - Singapore - Spain - Sweden - Switzerland - United Kingdom - U.S.A.
http://www.st.com
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