ST Life.augmented

DB3

DIAC
  • active Active

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.

pdf Please read
Errata Sheet
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Datasheet

Key Features

  • VBO: 32V and 40V
  • LOW BREAKOVER CURRENT

Design Resources

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Technical Documentation

Product Specifications

Description Version Size
pdf
DS2125: DIAC
3.1 60 KB

Application Notes

Description Version Size
pdf
AN2703: Parameter list for SCRs, TRIACs, AC switches, and DIACS
2.3 99 KB

HW Model & CAD Libraries

HW Model & CAD Libraries

Description Version Size
zip
Diacs PSpice model (.lib) and symbols (.olb)
1.0 10 KB

Publications and Collaterals

Selection Guides

Description Version Size
pdf
Thyristors, Triacs, AC switches and A.S.Dâ„¢ selection guide
1,717 KB

Sample & Buy

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Part Number Marketing StatusPackagePacking TypeJunction Temperature (max) Order From STUnit Price (US$)*
@ 1000
Distributor AvailabilityRoHS Compliance GradeDownload
Material Declaration**
DB3ActiveDO-35Tape And Reel125Free Samples.051Distributor reported inventory date: 2014-08-28
Distributor NameRegionStockMin. order
ARROWOrder NowAMERICA153305000
AVNETOrder NowAMERICA100000
Newark Element14Order NowAMERICA304680
ARROWOrder NowEUROPE4952590
Farnell Element14Order NowEUROPE388021
RUTRONIKOrder NowEUROPE1050005000
DIGIKEYOrder NowWORLDWIDE148931
FUTUREOrder NowWORLDWIDE871
MOUSEROrder NowWORLDWIDE147201
Ecopack2PDF
XML

(*) Suggested Resale Price per unit (USD) for BUDGETARY USE ONLY. For quotes, prices in local currency, please contact your local ST Sales Office or our Distributors
(**) The Material Declaration forms available on st.com may be generic documents based on the most commonly used package within a package family. For this reason, they may not be 100% accurate for a specific device. Please contact our sales support for information on specific devices.
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