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  • Available in through-hole or surface mount packages, these Triacs series are suitable for general purpose mains power ac switching.

    By using an internal ceramic pad, they provide voltage insulation (rated at 2500 VRMS).

    Key Features

    • Medium current Triac
    • 150 °C max. Tj turn-off commutation
    • Low thermal resistance with clip bonding
    • Very high 3 quadrant commutation capability
    • Packages are RoHS (2002/95/EC) compliant
    • UL certified (ref. file E81734)

Sample & Buy

Part Number
Package
Packing Type
Marketing Status
Budgetary Price (US$)*
Quantity
ECCN (US)
Country of Origin
Order from Distributors
Order from ST
T850H-6G-TR D2PAK Tape And Reel
Active
0.658 1000 EAR99 CHINA Check Availability

Distributor availability ofT850H-6G-TR

Distributor Name
Region Stock Min. Order Third party link
Newark Element14 AMERICA 160 0 Order Now
MOUSER WORLDWIDE 1780 1 Order Now
Farnell Element14 EUROPE 19 1 Order Now

Distributor reported inventory date: 2019-09-16

Distributor Name

Newark Element14

Stock

160

Min.Order

0

Region

AMERICA Order Now

MOUSER

Stock

1780

Min.Order

1

Region

WORLDWIDE Order Now

Farnell Element14

Stock

19

Min.Order

1

Region

EUROPE Order Now

Distributor reported inventory date: 2019-09-16

Buy now
T850H-6T TO-220AB Tube
Active
0.658 1000 EAR99 CHINA Check Availability

Distributor availability ofT850H-6T

Distributor Name
Region Stock Min. Order Third party link
DIGIKEY WORLDWIDE 1874 1 Order Now
RS COMPONENTS EUROPE 1120 1 Order Now
ARROW EUROPE 1000 0 Order Now

Distributor reported inventory date: 2019-09-16

Distributor Name

DIGIKEY

Stock

1874

Min.Order

1

Region

WORLDWIDE Order Now

RS COMPONENTS

Stock

1120

Min.Order

1

Region

EUROPE Order Now

ARROW

Stock

1000

Min.Order

0

Region

EUROPE Order Now

Distributor reported inventory date: 2019-09-16

Buy now
T850H-6I TO-220AB Ins Tube
Active
0.715 1000 EAR99 CHINA No availability of distributors reported, please contact our sales office Buy now
T850H-6G D2PAK Tube
Active
0.658 50 EAR99 CHINA No availability of distributors reported, please contact our sales office Buy now

T850H-6G-TR

Package

D2PAK

Packing Type

Tape And Reel

Unit Price (US$)

0.658*

Distributor availability ofT850H-6G-TR

Distributor Name
Region Stock Min. Order Third party link
Newark Element14 AMERICA 160 0 Order Now
MOUSER WORLDWIDE 1780 1 Order Now
Farnell Element14 EUROPE 19 1 Order Now

Distributor reported inventory date: 2019-09-16

Distributor Name

Newark Element14

Stock

160

Min.Order

0

Region

AMERICA Order Now

MOUSER

Stock

1780

Min.Order

1

Region

WORLDWIDE Order Now

Farnell Element14

Stock

19

Min.Order

1

Region

EUROPE Order Now

Distributor reported inventory date: 2019-09-16

Marketing Status

Active

Unit Price (US$)

0.658

Quantity

1000

ECCN (US)

EAR99

Country of Origin

CHINA

T850H-6T

Package

TO-220AB

Packing Type

Tube

Unit Price (US$)

0.658*

Distributor availability ofT850H-6T

Distributor Name
Region Stock Min. Order Third party link
DIGIKEY WORLDWIDE 1874 1 Order Now
RS COMPONENTS EUROPE 1120 1 Order Now
ARROW EUROPE 1000 0 Order Now

Distributor reported inventory date: 2019-09-16

Distributor Name

DIGIKEY

Stock

1874

Min.Order

1

Region

WORLDWIDE Order Now

RS COMPONENTS

Stock

1120

Min.Order

1

Region

EUROPE Order Now

ARROW

Stock

1000

Min.Order

0

Region

EUROPE Order Now

Distributor reported inventory date: 2019-09-16

Marketing Status

Active

Unit Price (US$)

0.658

Quantity

1000

ECCN (US)

EAR99

Country of Origin

CHINA

T850H-6I

Package

TO-220AB Ins

Packing Type

Tube

Unit Price (US$)

0.715*

Marketing Status

Active

Unit Price (US$)

0.715

Quantity

1000

ECCN (US)

EAR99

Country of Origin

CHINA

T850H-6G

Package

D2PAK

Packing Type

Tube

Unit Price (US$)

0.658*

Marketing Status

Active

Unit Price (US$)

0.658

Quantity

50

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

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Development Tools

    • Part Number

      Thyristor product finder application for Android and iOS

00 Files selected for download

Technical Documentation

    • Description Version Size Action
      DS5308
      High temperature 8 A Snubberless™ Triacs
      4.0
      551.96 KB
      PDF
      DS5308

      High temperature 8 A Snubberless™ Triacs

    • Description Version Size Action
      AN2986
      AC switch triggering with 3.3 V power supply
      1.4
      338 KB
      PDF
      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
      AN302
      Thyristors and TRIACs: holding current - an important parameter
      3.5
      138.63 KB
      PDF
      AN2986

      AC switch triggering with 3.3 V power supply

      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

      AN302

      Thyristors and TRIACs: holding current - an important parameter

    • Description Version Size Action
      TN1173
      Packing information for IPAD, protection, rectifiers, thyristors and AC Switches
      6.0
      444.57 KB
      PDF
      TN1173

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

HW Model, CAD Libraries & SVD

    • Description Version Size Action
      H series high-temperature Triacs PSpice model (.lib) and symbols (.olb) 4.0
      13.41 KB
      ZIP

      H series high-temperature Triacs PSpice model (.lib) and symbols (.olb)

Publications and Collaterals

    • Description Version Size Action
      H Series TRIACs : high application robustness 150°C TRIACs 1.0
      477.86 KB
      PDF
      High-temperature Triacs 1.1
      293.51 KB
      PDF
      ST Thyristor Finder: SCRs and Triacs on Android and iOS 1.0
      854.07 KB
      PDF

      H Series TRIACs : high application robustness 150°C TRIACs

      High-temperature Triacs

      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**
T850H-6G
Active
D2PAK Industrial Ecopack2
T850H-6G-TR
Active
D2PAK Industrial Ecopack2
T850H-6I
Active
TO-220AB Ins Industrial Ecopack2
T850H-6T
Active
TO-220AB Industrial Ecopack2

T850H-6G

Package:

D2PAK

Material Declaration**:

Marketing Status

Active

Package

D2PAK

Grade

Industrial

RoHS Compliance Grade

Ecopack2

T850H-6G-TR

Package:

D2PAK

Material Declaration**:

Marketing Status

Active

Package

D2PAK

Grade

Industrial

RoHS Compliance Grade

Ecopack2

T850H-6I

Package:

TO-220AB Ins

Material Declaration**:

Marketing Status

Active

Package

TO-220AB Ins

Grade

Industrial

RoHS Compliance Grade

Ecopack2

T850H-6T

Package:

TO-220AB

Material Declaration**:

Marketing Status

Active

Package

TO-220AB

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.