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  • Single chip Schottky rectifier suited for switch mode power supplies and high frequency DC to DC converters.

    Packaged in SMA Flat Notch, SMB, SMB Flat, SMC and DPAK, the STPS340 is ideal for surface mounting and used in low voltage, high frequency inverters, free wheeling and polarity protection applications.

    Key Features

    • Very small conduction losses
    • Negligible switching losses
    • Low forward voltage drop
    • Low thermal resistance
    • Extremely fast switching
    • Surface mount package
    • Avalanche rated
    • ECOPACK2 component

Recommended for you

Mobile Applications

    • Part Number

      Diode product finder application for Android and iOS

00 Files selected for download

Technical Documentation

    • Description Version Size Action
      DS0792
      40 V, 3 A power Schottky rectifier
      13.0
      404.28 KB
      PDF
      DS0792

      40 V, 3 A power Schottky rectifier

    • Description Version Size Action
      AN1768
      ADMISSIBLE AVALANCHE POWER OF SCHOTTKY DIODES
      1.1
      46.82 KB
      PDF
      AN2025
      CONVERTER IMPROVEMENT USING SCHOTTKY RECTIFIER AVALANCHE SPECIFICATION
      1.1
      147.59 KB
      PDF
      AN604
      Calculation of conduction losses in a power rectifier
      3.2
      137.74 KB
      PDF
      AN4021
      Calculation of reverse losses in a power diode
      1.0
      120.47 KB
      PDF
      AN3432
      How to choose a bypass diode for silicon panel junction box
      1.0
      290.27 KB
      PDF
      AN836
      LOW FORWARD VOLTAGE SCHOTTKY DIODE
      2.1
      51.89 KB
      PDF
      AN1453
      NEW FAMILY OF 150V POWER SCHOTTKY
      1.1
      131.48 KB
      PDF
      AN5046
      Printed circuit board assembly recommendations for STMicroelectronics PowerFLAT packages
      4.0
      4.82 MB
      PDF
      AN3361
      Schottky diode avalanche performance in automotive applications
      1.0
      136.54 KB
      PDF
      AN1542
      THE THERMAL RUNAWAY LAW IN SCHOTTKY USED IN OR-ING APPLICATION
      1.1
      57.47 KB
      PDF
      AN869
      Tj max limit of Schottky diodes
      2.2
      60.9 KB
      PDF
      AN1768

      ADMISSIBLE AVALANCHE POWER OF SCHOTTKY DIODES

      AN2025

      CONVERTER IMPROVEMENT USING SCHOTTKY RECTIFIER AVALANCHE SPECIFICATION

      AN604

      Calculation of conduction losses in a power rectifier

      AN4021

      Calculation of reverse losses in a power diode

      AN3432

      How to choose a bypass diode for silicon panel junction box

      AN836

      LOW FORWARD VOLTAGE SCHOTTKY DIODE

      AN1453

      NEW FAMILY OF 150V POWER SCHOTTKY

      AN5046

      Printed circuit board assembly recommendations for STMicroelectronics PowerFLAT packages

      AN3361

      Schottky diode avalanche performance in automotive applications

      AN1542

      THE THERMAL RUNAWAY LAW IN SCHOTTKY USED IN OR-ING APPLICATION

      AN869

      Tj max limit of Schottky diodes

    • 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
      Power Schottky diode PSpice models (.lib & .olb) 7.0
      188.67 KB
      ZIP

      Power Schottky diode PSpice models (.lib & .olb)

Publications and Collaterals

    • Description Version Size Action
      Field-Effect Rectifier Diodes Advantageously replace Schottky (60V and 100V) 1.0
      1.29 MB
      PDF
      PSMC flat package Schottky and Ultrafast rectifiers 1.0
      1.47 MB
      PDF
      SMA Flat and SMB Flat Diodes Powerful rectifiers packed in 1mm-thick packages 1.0
      848.27 KB
      PDF
      SOD123Flat power Schottky diodes for improved cost and space-savings 1.0
      2.03 MB
      PDF
      SOD128Flat power Schottky diodes for improved cost and space-savings 1.0
      2.18 MB
      PDF
      ST Diodes Finder : the new app for Android and iOS 2.0
      1.46 MB
      PDF

      Field-Effect Rectifier Diodes Advantageously replace Schottky (60V and 100V)

      PSMC flat package Schottky and Ultrafast rectifiers

      SMA Flat and SMB Flat Diodes Powerful rectifiers packed in 1mm-thick packages

      SOD123Flat power Schottky diodes for improved cost and space-savings

      SOD128Flat power Schottky diodes for improved cost and space-savings

      ST Diodes Finder : the new app for Android and iOS

    • Description Version Size Action
      Diodes and rectifiers selection guide 2.0
      815.09 KB
      PDF

      Diodes and rectifiers selection guide

    • Description Version Size Action
      Electric vehicle (EV) ecosystem 1.1
      1.28 MB
      PDF
      IPAD(TM) - protection and rectifiers for Computer & Peripherals applications 2.0
      1.42 MB
      PDF
      Products and solutions for solar energy 1.0
      1.29 MB
      PDF

      Electric vehicle (EV) ecosystem

      IPAD(TM) - protection and rectifiers for Computer & Peripherals applications

      Products and solutions for solar energy

Quality and Reliability

Part Number Marketing Status Package Grade RoHS Compliance Grade Material Declaration**
STPS340AFN
Active
SMA Flat Industrial Ecopack2
STPS340B-TR
Active
DPAK Automotive Ecopack2 (**)
STPS340S
Active
SMC Industrial Ecopack2
STPS340U
Active
SMB Industrial Ecopack2
STPS340UF
Active
SMB Flat Industrial Ecopack2

STPS340AFN

Package:

SMA Flat

Material Declaration**:

PDF XML

Marketing Status

Active

Package

SMA Flat

Grade

Industrial

RoHS Compliance Grade

Ecopack2

STPS340B-TR

Package:

DPAK

Material Declaration**:

PDF XML

Marketing Status

Active

Package

DPAK

Grade

Automotive

RoHS Compliance Grade

Ecopack2 (**)

STPS340S

Package:

SMC

Material Declaration**:

PDF XML

Marketing Status

Active

Package

SMC

Grade

Industrial

RoHS Compliance Grade

Ecopack2

STPS340U

Package:

SMB

Material Declaration**:

PDF XML

Marketing Status

Active

Package

SMB

Grade

Industrial

RoHS Compliance Grade

Ecopack2

STPS340UF

Package:

SMB Flat

Material Declaration**:

PDF XML

Marketing Status

Active

Package

SMB Flat

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
Package
Packing Type
Junction Temperature (°C) (max)
ECCN (US)
Country of Origin
Budgetary Price (US$)*/Qty
STPS340UF Available at 3 distributors

Distributor availability ofSTPS340UF

Distributor Name
Region Stock Min. Order Third party link
DIGIKEY WORLDWIDE 4502 1 Order Now
MOUSER WORLDWIDE 4417 1 Order Now
Farnell Element14 EUROPE 1613 1 Order Now

Distributor reported inventory date: 2020-07-07

Distributor Name

DIGIKEY

Stock

4502

Min.Order

1

Region

WORLDWIDE Order Now

MOUSER

Stock

4417

Min.Order

1

Region

WORLDWIDE Order Now

Farnell Element14

Stock

1613

Min.Order

1

Region

EUROPE Order Now

Distributor reported inventory date: 2020-07-07

Get sample
Active
SMB Flat Tape And Reel 150 EAR99 CHINA 0.124 / 200
STPS340B-TR Available at 5 distributors

Distributor availability ofSTPS340B-TR

Distributor Name
Region Stock Min. Order Third party link
DIGIKEY WORLDWIDE 10479 1 Order Now
AVNET AMERICA 15000 0 Order Now
ARROW EUROPE 35000 0 Order Now
ARROW AMERICA 5005 1 Order Now
MOUSER WORLDWIDE 4490 1 Order Now

Distributor reported inventory date: 2020-07-07

Distributor Name

DIGIKEY

Stock

10479

Min.Order

1

Region

WORLDWIDE Order Now

AVNET

Stock

15000

Min.Order

0

Region

AMERICA Order Now

ARROW

Stock

35000

Min.Order

0

Region

EUROPE Order Now

ARROW

Stock

5005

Min.Order

1

Region

AMERICA Order Now

MOUSER

Stock

4490

Min.Order

1

Region

WORLDWIDE Order Now

Distributor reported inventory date: 2020-07-07

Get sample
Active
DPAK Tape And Reel 150 EAR99 CHINA 0.1541 / 1k
STPS340U Available at 10 distributors

Distributor availability ofSTPS340U

Distributor Name
Region Stock Min. Order Third party link
DIGIKEY WORLDWIDE 37204 1 Order Now
COMPEL EUROPE 50656 1 Order Now
RS COMPONENTS EUROPE 10090 5 Order Now
FUTURE WORLDWIDE 69950 1 Order Now
ARROW EUROPE 631606 0 Order Now
Newark Element14 AMERICA 1584 0 Order Now
ARROW AMERICA 47500 2500 Order Now
MOUSER WORLDWIDE 11899 1 Order Now
Farnell Element14 EUROPE 14563 1 Order Now
ANGLIA Live EUROPE 43500 100 Order Now

Distributor reported inventory date: 2020-07-07

Distributor Name

DIGIKEY

Stock

37204

Min.Order

1

Region

WORLDWIDE Order Now

COMPEL

Stock

50656

Min.Order

1

Region

EUROPE Order Now

RS COMPONENTS

Stock

10090

Min.Order

5

Region

EUROPE Order Now

FUTURE

Stock

69950

Min.Order

1

Region

WORLDWIDE Order Now

ARROW

Stock

631606

Min.Order

0

Region

EUROPE Order Now

Newark Element14

Stock

1584

Min.Order

0

Region

AMERICA Order Now

ARROW

Stock

47500

Min.Order

2500

Region

AMERICA Order Now

MOUSER

Stock

11899

Min.Order

1

Region

WORLDWIDE Order Now

Farnell Element14

Stock

14563

Min.Order

1

Region

EUROPE Order Now

ANGLIA Live

Stock

43500

Min.Order

100

Region

EUROPE Order Now

Distributor reported inventory date: 2020-07-07

Get sample
Active
SMB Tape And Reel 150 EAR99 CHINA 0.074 / 1k
STPS340S Available at 10 distributors

Distributor availability ofSTPS340S

Distributor Name
Region Stock Min. Order Third party link
DIGIKEY WORLDWIDE 11710 1 Order Now
COMPEL EUROPE 4210 1 Order Now
RS COMPONENTS EUROPE 1760 5 Order Now
AVNET AMERICA 138100 0 Order Now
ARROW EUROPE 342500 0 Order Now
Newark Element14 AMERICA 1404 0 Order Now
ARROW AMERICA 267500 2500 Order Now
MOUSER WORLDWIDE 8186 1 Order Now
Farnell Element14 EUROPE 529 1 Order Now
ANGLIA Live EUROPE 9840 10 Order Now

Distributor reported inventory date: 2020-07-07

Distributor Name

DIGIKEY

Stock

11710

Min.Order

1

Region

WORLDWIDE Order Now

COMPEL

Stock

4210

Min.Order

1

Region

EUROPE Order Now

RS COMPONENTS

Stock

1760

Min.Order

5

Region

EUROPE Order Now

AVNET

Stock

138100

Min.Order

0

Region

AMERICA Order Now

ARROW

Stock

342500

Min.Order

0

Region

EUROPE Order Now

Newark Element14

Stock

1404

Min.Order

0

Region

AMERICA Order Now

ARROW

Stock

267500

Min.Order

2500

Region

AMERICA Order Now

MOUSER

Stock

8186

Min.Order

1

Region

WORLDWIDE Order Now

Farnell Element14

Stock

529

Min.Order

1

Region

EUROPE Order Now

ANGLIA Live

Stock

9840

Min.Order

10

Region

EUROPE Order Now

Distributor reported inventory date: 2020-07-07

Get sample
Active
SMC Tape And Reel 150 EAR99 CHINA 0.094 / 1k
STPS340AFN Available at 3 distributors

Distributor availability ofSTPS340AFN

Distributor Name
Region Stock Min. Order Third party link
DIGIKEY WORLDWIDE 10000 1 Order Now
MOUSER WORLDWIDE 9840 1 Order Now
Farnell Element14 EUROPE 100 1 Order Now

Distributor reported inventory date: 2020-07-07

Distributor Name

DIGIKEY

Stock

10000

Min.Order

1

Region

WORLDWIDE Order Now

MOUSER

Stock

9840

Min.Order

1

Region

WORLDWIDE Order Now

Farnell Element14

Stock

100

Min.Order

1

Region

EUROPE Order Now

Distributor reported inventory date: 2020-07-07

Get sample
Active
SMA Flat Tape And Reel - EAR99 MOROCCO 0.064 / 1k

STPS340UF

Marketing Status

Active

Unit Price (US$)

0.124

Budgetary Price (US$)*/Qty

0.124 / 200

Distributor availability ofSTPS340UF

Distributor Name
Region Stock Min. Order Third party link
DIGIKEY WORLDWIDE 4502 1 Order Now
MOUSER WORLDWIDE 4417 1 Order Now
Farnell Element14 EUROPE 1613 1 Order Now

Distributor reported inventory date: 2020-07-07

Distributor Name

DIGIKEY

Stock

4502

Min.Order

1

Region

WORLDWIDE Order Now

MOUSER

Stock

4417

Min.Order

1

Region

WORLDWIDE Order Now

Farnell Element14

Stock

1613

Min.Order

1

Region

EUROPE Order Now

Distributor reported inventory date: 2020-07-07

Package

SMB Flat

Packing Type

Tape And Reel

Junction Temperature (°C) (max)

150

ECCN (US)

EAR99

Country of Origin

CHINA

STPS340B-TR

Marketing Status

Active

Unit Price (US$)

0.1541

Budgetary Price (US$)*/Qty

0.1541 / 1k

Distributor availability ofSTPS340B-TR

Distributor Name
Region Stock Min. Order Third party link
DIGIKEY WORLDWIDE 10479 1 Order Now
AVNET AMERICA 15000 0 Order Now
ARROW EUROPE 35000 0 Order Now
ARROW AMERICA 5005 1 Order Now
MOUSER WORLDWIDE 4490 1 Order Now

Distributor reported inventory date: 2020-07-07

Distributor Name

DIGIKEY

Stock

10479

Min.Order

1

Region

WORLDWIDE Order Now

AVNET

Stock

15000

Min.Order

0

Region

AMERICA Order Now

ARROW

Stock

35000

Min.Order

0

Region

EUROPE Order Now

ARROW

Stock

5005

Min.Order

1

Region

AMERICA Order Now

MOUSER

Stock

4490

Min.Order

1

Region

WORLDWIDE Order Now

Distributor reported inventory date: 2020-07-07

Package

DPAK

Packing Type

Tape And Reel

Junction Temperature (°C) (max)

150

ECCN (US)

EAR99

Country of Origin

CHINA

STPS340U

Marketing Status

Active

Unit Price (US$)

0.074

Budgetary Price (US$)*/Qty

0.074 / 1k

Distributor availability ofSTPS340U

Distributor Name
Region Stock Min. Order Third party link
DIGIKEY WORLDWIDE 37204 1 Order Now
COMPEL EUROPE 50656 1 Order Now
RS COMPONENTS EUROPE 10090 5 Order Now
FUTURE WORLDWIDE 69950 1 Order Now
ARROW EUROPE 631606 0 Order Now
Newark Element14 AMERICA 1584 0 Order Now
ARROW AMERICA 47500 2500 Order Now
MOUSER WORLDWIDE 11899 1 Order Now
Farnell Element14 EUROPE 14563 1 Order Now
ANGLIA Live EUROPE 43500 100 Order Now

Distributor reported inventory date: 2020-07-07

Distributor Name

DIGIKEY

Stock

37204

Min.Order

1

Region

WORLDWIDE Order Now

COMPEL

Stock

50656

Min.Order

1

Region

EUROPE Order Now

RS COMPONENTS

Stock

10090

Min.Order

5

Region

EUROPE Order Now

FUTURE

Stock

69950

Min.Order

1

Region

WORLDWIDE Order Now

ARROW

Stock

631606

Min.Order

0

Region

EUROPE Order Now

Newark Element14

Stock

1584

Min.Order

0

Region

AMERICA Order Now

ARROW

Stock

47500

Min.Order

2500

Region

AMERICA Order Now

MOUSER

Stock

11899

Min.Order

1

Region

WORLDWIDE Order Now

Farnell Element14

Stock

14563

Min.Order

1

Region

EUROPE Order Now

ANGLIA Live

Stock

43500

Min.Order

100

Region

EUROPE Order Now

Distributor reported inventory date: 2020-07-07

Package

SMB

Packing Type

Tape And Reel

Junction Temperature (°C) (max)

150

ECCN (US)

EAR99

Country of Origin

CHINA

STPS340S

Marketing Status

Active

Unit Price (US$)

0.094

Budgetary Price (US$)*/Qty

0.094 / 1k

Distributor availability ofSTPS340S

Distributor Name
Region Stock Min. Order Third party link
DIGIKEY WORLDWIDE 11710 1 Order Now
COMPEL EUROPE 4210 1 Order Now
RS COMPONENTS EUROPE 1760 5 Order Now
AVNET AMERICA 138100 0 Order Now
ARROW EUROPE 342500 0 Order Now
Newark Element14 AMERICA 1404 0 Order Now
ARROW AMERICA 267500 2500 Order Now
MOUSER WORLDWIDE 8186 1 Order Now
Farnell Element14 EUROPE 529 1 Order Now
ANGLIA Live EUROPE 9840 10 Order Now

Distributor reported inventory date: 2020-07-07

Distributor Name

DIGIKEY

Stock

11710

Min.Order

1

Region

WORLDWIDE Order Now

COMPEL

Stock

4210

Min.Order

1

Region

EUROPE Order Now

RS COMPONENTS

Stock

1760

Min.Order

5

Region

EUROPE Order Now

AVNET

Stock

138100

Min.Order

0

Region

AMERICA Order Now

ARROW

Stock

342500

Min.Order

0

Region

EUROPE Order Now

Newark Element14

Stock

1404

Min.Order

0

Region

AMERICA Order Now

ARROW

Stock

267500

Min.Order

2500

Region

AMERICA Order Now

MOUSER

Stock

8186

Min.Order

1

Region

WORLDWIDE Order Now

Farnell Element14

Stock

529

Min.Order

1

Region

EUROPE Order Now

ANGLIA Live

Stock

9840

Min.Order

10

Region

EUROPE Order Now

Distributor reported inventory date: 2020-07-07

Package

SMC

Packing Type

Tape And Reel

Junction Temperature (°C) (max)

150

ECCN (US)

EAR99

Country of Origin

CHINA

STPS340AFN

Marketing Status

Active

Unit Price (US$)

0.064

Budgetary Price (US$)*/Qty

0.064 / 1k

Distributor availability ofSTPS340AFN

Distributor Name
Region Stock Min. Order Third party link
DIGIKEY WORLDWIDE 10000 1 Order Now
MOUSER WORLDWIDE 9840 1 Order Now
Farnell Element14 EUROPE 100 1 Order Now

Distributor reported inventory date: 2020-07-07

Distributor Name

DIGIKEY

Stock

10000

Min.Order

1

Region

WORLDWIDE Order Now

MOUSER

Stock

9840

Min.Order

1

Region

WORLDWIDE Order Now

Farnell Element14

Stock

100

Min.Order

1

Region

EUROPE Order Now

Distributor reported inventory date: 2020-07-07

Package

SMA Flat

Packing Type

Tape And Reel

Junction Temperature (°C) (max)

-

ECCN (US)

EAR99

Country of Origin

MOROCCO

(*) 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