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  • Functioning as a trigger diode with a fixed voltage reference, the TMMDB3 can be used in conjunction with Triacs for simplified gate control circuits or as a starting element in fluorescent lamp ballasts.

    Key Features

    • VBO : 32 V
    • Breakover voltage range : 28 V to 36 V
    • ECOPACK compliant

Sample & Buy

Part Number
Package
Packing Type
Marketing Status
Junction Temperature (°C) (max)
ECCN (US)
Country of Origin
Budgetary Price (US$)*/Qty
Order from ST
Order from Distributors
TMMDB3 MiniMELF Tape And Reel
Active
125 EAR99 CHINA Get sample Check Availability

Distributor availability ofTMMDB3

Distributor Name
Region Stock Min. Order Third party link
DIGIKEY WORLDWIDE 5000 1 Order Now
RS COMPONENTS EUROPE 2500 1 Order Now
ARROW EUROPE 271950 0 Order Now
Newark Element14 AMERICA 1000 0 Order Now
ARROW AMERICA 12500 2500 Order Now
P&S ASIA/PACIFIC 46 1 Order Now
MOUSER WORLDWIDE 3677 1 Order Now
Farnell Element14 EUROPE 6560 1 Order Now

Distributor reported inventory date: 2020-06-05

Distributor Name

DIGIKEY

Stock

5000

Min.Order

1

Region

WORLDWIDE Order Now

RS COMPONENTS

Stock

2500

Min.Order

1

Region

EUROPE Order Now

ARROW

Stock

271950

Min.Order

0

Region

EUROPE Order Now

Newark Element14

Stock

1000

Min.Order

0

Region

AMERICA Order Now

ARROW

Stock

12500

Min.Order

2500

Region

AMERICA Order Now

P&S

Stock

46

Min.Order

1

Region

ASIA/PACIFIC Order Now

MOUSER

Stock

3677

Min.Order

1

Region

WORLDWIDE Order Now

Farnell Element14

Stock

6560

Min.Order

1

Region

EUROPE Order Now

Distributor reported inventory date: 2020-06-05

TMMDB3

Package

MiniMELF

Packing Type

Tape And Reel

Budgetary Price (US$)*/Qty

Distributor availability ofTMMDB3

Distributor Name
Region Stock Min. Order Third party link
DIGIKEY WORLDWIDE 5000 1 Order Now
RS COMPONENTS EUROPE 2500 1 Order Now
ARROW EUROPE 271950 0 Order Now
Newark Element14 AMERICA 1000 0 Order Now
ARROW AMERICA 12500 2500 Order Now
P&S ASIA/PACIFIC 46 1 Order Now
MOUSER WORLDWIDE 3677 1 Order Now
Farnell Element14 EUROPE 6560 1 Order Now

Distributor reported inventory date: 2020-06-05

Distributor Name

DIGIKEY

Stock

5000

Min.Order

1

Region

WORLDWIDE Order Now

RS COMPONENTS

Stock

2500

Min.Order

1

Region

EUROPE Order Now

ARROW

Stock

271950

Min.Order

0

Region

EUROPE Order Now

Newark Element14

Stock

1000

Min.Order

0

Region

AMERICA Order Now

ARROW

Stock

12500

Min.Order

2500

Region

AMERICA Order Now

P&S

Stock

46

Min.Order

1

Region

ASIA/PACIFIC Order Now

MOUSER

Stock

3677

Min.Order

1

Region

WORLDWIDE Order Now

Farnell Element14

Stock

6560

Min.Order

1

Region

EUROPE Order Now

Distributor reported inventory date: 2020-06-05

Marketing Status

Active

Budgetary Price (US$)* / Qty

Junction Temperature (°C) (max)

125

ECCN (US)

EAR99

Country of Origin

CHINA

(*) 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

Recommended for you

00 Files selected for download

Technical Documentation

    • Description Version Size Action
      DS2190
      Diac in SMD MINIMELF package
      4.0
      175.28 KB
      PDF
      DS2190

      Diac in SMD MINIMELF package

    • Description Version Size Action
      AN4993
      How to implement a SCR or a Triac in a hybride relay application
      1.1
      991.71 KB
      PDF
      AN4564
      Is a positive power supply mandatory for my application, or could a negative output work also?
      1.0
      384.04 KB
      PDF
      AN2703
      Parameter list for SCRs, TRIACs, AC switches, and DIACS
      2.6
      98.99 KB
      PDF
      AN4993

      How to implement a SCR or a Triac in a hybride relay application

      AN4564

      Is a positive power supply mandatory for my application, or could a negative output work also?

      AN2703

      Parameter list for SCRs, TRIACs, AC switches, and DIACS

    • Description Version Size Action
      TN1173
      Packing information for IPAD, protection, rectifiers, thyristors and AC Switches
      7.0
      433.12 KB
      PDF
      TN1173

      Packing information for IPAD, protection, rectifiers, thyristors and AC Switches

HW Model, CAD Libraries & SVD

    • Description Version Size Action
      Diacs PSpice model (.lib) and symbols (.olb) 5.0
      10.07 KB
      ZIP

      Diacs PSpice model (.lib) and symbols (.olb)

Publications and Collaterals

    • Description Version Size Action
      ST Thyristor Finder: SCRs and Triacs on Android and iOS 1.0
      854.07 KB
      PDF

      ST Thyristor Finder: SCRs and Triacs on Android and iOS

    • Description Version Size Action
      Thyristors, Triacs, AC switches and A.S.D™ selection guide 2.0
      1.51 MB
      PDF

      Thyristors, Triacs, AC switches and A.S.D™ selection guide

Part Number Marketing Status Package Grade RoHS Compliance Grade Material Declaration**
TMMDB3
Active
MiniMELF Industrial Ecopack2

TMMDB3

Package:

MiniMELF

Material Declaration**:

PDF XML

Marketing Status

Active

Package

MiniMELF

Grade

Industrial

RoHS Compliance Grade

Ecopack2

(**) 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.