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  • Thanks to highly sensitive triggering levels, the 0.25 A P0109AL SCR Thyristor is suitable for all applications where available gate current is limited. Its high immunity makes it ideal for high electric noise circuits.

    The surface mount SOT23-3L package allows compact SMD based designs for automated manufacturing.

    Key Features

    • IT(RMS) 0.25 A
    • Low 1 µA gate current
    • High noise immunity 100 V/µs
    • ECOPACK®2 compliant component

Recommended for you

00 Files selected for download

Technical Documentation

    • Description Version Size Action
      DS12180
      Sensitive high immunity 0.25 A SCR Thyristor
      2.0
      360.58 KB
      PDF
      DS12180

      Sensitive high immunity 0.25 A SCR Thyristor

    • Description Version Size Action
      AN4993
      How to implement a SCR or a Triac in a hybride relay application
      1.1
      991.71 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

      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
      Standard and sensitive SCRs PSpice model (.lib) and symbols (.olb) 5.0
      19.11 KB
      ZIP

      Standard and sensitive SCRs 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

Quality and Reliability

Part Number Marketing Status Package Grade RoHS Compliance Grade Material Declaration**
P0109AL 5AA4
Active
SOT23 Industrial Ecopack2

P0109AL 5AA4

Package:

SOT23

Material Declaration**:

PDF XML

Marketing Status

Active

Package

SOT23

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
Package
Packing Type
Marketing Status
Junction Temperature (°C) (max)
ECCN (US)
Country of Origin
Budgetary Price (US$)*/Qty
P0109AL 5AA4 Available at 4 distributors

Distributor availability ofP0109AL 5AA4

Distributor Name
Region Stock Min. Order Third party link
DIGIKEY WORLDWIDE 2856 1 Order Now
ARROW EUROPE 16000 0 Order Now
MOUSER WORLDWIDE 2779 1 Order Now
Farnell Element14 EUROPE 1311 1 Order Now

Distributor reported inventory date: 2020-07-09

Distributor Name

DIGIKEY

Stock

2856

Min.Order

1

Region

WORLDWIDE Order Now

ARROW

Stock

16000

Min.Order

0

Region

EUROPE Order Now

MOUSER

Stock

2779

Min.Order

1

Region

WORLDWIDE Order Now

Farnell Element14

Stock

1311

Min.Order

1

Region

EUROPE Order Now

Distributor reported inventory date: 2020-07-09

Buy now SOT23 Tape And Reel
Active
125 EAR99 CHINA

P0109AL 5AA4

Package

SOT23

Packing Type

Tape And Reel

Budgetary Price (US$)*/Qty

Distributor availability ofP0109AL 5AA4

Distributor Name
Region Stock Min. Order Third party link
DIGIKEY WORLDWIDE 2856 1 Order Now
ARROW EUROPE 16000 0 Order Now
MOUSER WORLDWIDE 2779 1 Order Now
Farnell Element14 EUROPE 1311 1 Order Now

Distributor reported inventory date: 2020-07-09

Distributor Name

DIGIKEY

Stock

2856

Min.Order

1

Region

WORLDWIDE Order Now

ARROW

Stock

16000

Min.Order

0

Region

EUROPE Order Now

MOUSER

Stock

2779

Min.Order

1

Region

WORLDWIDE Order Now

Farnell Element14

Stock

1311

Min.Order

1

Region

EUROPE Order Now

Distributor reported inventory date: 2020-07-09

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