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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

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
      8.0
      417.06 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

Quality and Reliability

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.

Sample & Buy

Part Number
Order from Distributors
Order from ST
Marketing Status
ECCN (US)
ECCN (EU)
Packing Type
Package
Temperature (°C) Budgetary Price (US$)*/Qty
More info
min
max
TMMDB3 Available at 10 distributors

Distributor availability ofTMMDB3

Distributor Name
Region Stock Min. Order Third party link
DIGIKEY WORLDWIDE 25000 1 Order Now
RS COMPONENTS EUROPE 1880 1 Order Now
FUTURE WORLDWIDE 7500 2500 Order Now
ARROW EUROPE 119449 0 Order Now
Newark Element14 AMERICA 1000 0 Order Now
ARROW AMERICA 2500 2500 Order Now
P&S ASIA/PACIFIC 46 1 Order Now
MOUSER WORLDWIDE 6126 1 Order Now
Farnell Element14 EUROPE 6450 1 Order Now
RUTRONIK EUROPE 45000 2500 Order Now

Distributor reported inventory date: 2020-09-22

Distributor Name

DIGIKEY

Stock

25000

Min.Order

1

Region

WORLDWIDE Order Now

RS COMPONENTS

Stock

1880

Min.Order

1

Region

EUROPE Order Now

FUTURE

Stock

7500

Min.Order

2500

Region

WORLDWIDE Order Now

ARROW

Stock

119449

Min.Order

0

Region

EUROPE Order Now

Newark Element14

Stock

1000

Min.Order

0

Region

AMERICA Order Now

ARROW

Stock

2500

Min.Order

2500

Region

AMERICA Order Now

P&S

Stock

46

Min.Order

1

Region

ASIA/PACIFIC Order Now

MOUSER

Stock

6126

Min.Order

1

Region

WORLDWIDE Order Now

Farnell Element14

Stock

6450

Min.Order

1

Region

EUROPE Order Now

RUTRONIK

Stock

45000

Min.Order

2500

Region

EUROPE Order Now

Distributor reported inventory date: 2020-09-22

Sample & Buy Buy now
Active
EAR99 NEC Tape And Reel MiniMELF - -
MORE INFO

Junction Temperature (°C) (max):

125

Country of Origin:

CHINA

TMMDB3

Marketing Status

Active

ECCN (US)

EAR99

Budgetary Price (US$)*/Qty

Distributor availability ofTMMDB3

Distributor Name
Region Stock Min. Order Third party link
DIGIKEY WORLDWIDE 25000 1 Order Now
RS COMPONENTS EUROPE 1880 1 Order Now
FUTURE WORLDWIDE 7500 2500 Order Now
ARROW EUROPE 119449 0 Order Now
Newark Element14 AMERICA 1000 0 Order Now
ARROW AMERICA 2500 2500 Order Now
P&S ASIA/PACIFIC 46 1 Order Now
MOUSER WORLDWIDE 6126 1 Order Now
Farnell Element14 EUROPE 6450 1 Order Now
RUTRONIK EUROPE 45000 2500 Order Now

Distributor reported inventory date: 2020-09-22

Distributor Name

DIGIKEY

Stock

25000

Min.Order

1

Region

WORLDWIDE Order Now

RS COMPONENTS

Stock

1880

Min.Order

1

Region

EUROPE Order Now

FUTURE

Stock

7500

Min.Order

2500

Region

WORLDWIDE Order Now

ARROW

Stock

119449

Min.Order

0

Region

EUROPE Order Now

Newark Element14

Stock

1000

Min.Order

0

Region

AMERICA Order Now

ARROW

Stock

2500

Min.Order

2500

Region

AMERICA Order Now

P&S

Stock

46

Min.Order

1

Region

ASIA/PACIFIC Order Now

MOUSER

Stock

6126

Min.Order

1

Region

WORLDWIDE Order Now

Farnell Element14

Stock

6450

Min.Order

1

Region

EUROPE Order Now

RUTRONIK

Stock

45000

Min.Order

2500

Region

EUROPE Order Now

Distributor reported inventory date: 2020-09-22

ECCN (EU)

NEC

Packing Type

Tape And Reel

Package

MiniMELF

Operating Temperature (°C)

(min)

-

(max)

-

Budgetary Price (US$)* / Qty

Junction Temperature (°C) (max)

125

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