50A 1200V automotive grade SCR

Available in TO-247 high power package, the TN5050H-12WY autograde is suitable in applications such as automotive / stationary battery charger, renewable energy generator, interruptible power supply, solid state relay, welding equipment and motor drive applications.

Its power switching, voltage robustness and power dissipation performances are the key features for functions such as a 80 A AC switch, an AC phasing inverter and an AC-DC controlled rectifier bridge.

The TN5050H-12WY is an automotive grade product and offers a superior performance in surge current handling, thermal cooling capabilities and overvoltage robustness.

Key Features

  • AEC-Q101 qualified
  • On-state current: 50 ARMS
  • Blocking voltage: +/- 1200 V
  • High static and dynamic commutation:
    • dI/dt = 200 A/μs
    • dV/dt = 1000 V/μs
  • IGT = 50 mA
  • ECOPACK® 2 compliant component


Technical Documentation

Product Specifications
Description Version Size
DS10561 DS10561: 50 A 1200 V automotive grade SCR Thyristor 3.0 349 KB
Application Notes
Description Version Size
AN4993 AN4993: How to implement a SCR or a Triac in a hybride relay application 1.1 991 KB
AN4606 AN4606: Inrush-current limiter circuits (ICL) with Triacs and Thyristors (SCR) and controlled bridge design tips 2.1 1008 KB
AN2703 AN2703: Parameter list for SCRs, TRIACs, AC switches, and DIACS 2.5 99 KB
Technical Notes & Articles
Description Version Size
TN1173 TN1173: Packing information for IPAD™, protection, rectifiers, thyristors and AC Switches 5.0 1 MB

HW Model, CAD Libraries & SVD

HW Model, CAD Libraries & SVD
Description Version Size
High-temperature SCRs PSpice model (.lib) and symbols (.olb) 2.0 11 KB

Publications and Collaterals

Description Version Size
Automotive-grade 1200 V SCR for AC/DC converter applications 1.0 955 KB
Automotive-grade 1200 V, 30 & 60 A standard diodes for input bridge circuits 1.0 753 KB
ST Thyristor Finder: SCRs and Triacs on Android and iOS 1.0 854 KB
Selection Guides
Description Version Size
Thyristors, Triacs, AC switches and A.S.D™ selection guide 2.0 1 MB

Tools and Software

Development Tools
Software Development Tools
Evaluation Tools
Solution Evaluation Tools
Support & Community

Sample & Buy

Part Number Package Packing Type Marketing Status Unit Price (US$) * Quantity Junction Temperature (°C) (max) ECCN (EU) ECCN (US) Country of Origin More info Order from ST Order from Distributors

(*) 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

Quality & Reliability

Part Number Marketing Status Package Grade RoHS Compliance Grade Material Declaration**
TN5050H-12WY ActiveTO-247AutomotiveEcopack2 0 0

(**) 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.