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.

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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 9 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 Reel125-.051Distributor reported inventory date: 2014-04-23
Distributor NameRegionStockMin. order
ARROWOrder NowAMERICA9305000
AVNETOrder NowAMERICA400000
Newark Element14Order NowAMERICA269880
ARROWOrder NowEUROPE359970
Farnell Element14Order NowEUROPE283721
DIGIKEYOrder NowWORLDWIDE301781
FUTUREOrder NowWORLDWIDE784351
Ecopack2PDF
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(*) 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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