Robust, high-temperature silicon-controlled rectifier (SCR)

designed for automotive and power applications

40 A, 1200 V, high-temperature, automotive-grade thyristor in D2PAK package

With its higher voltage immunity of 1500 V/μs, 1400 V peak voltage and 400 A surge current rating, the TN4050HA-12GY enables compact inrush current limiter designs in on-board chargers, charging stations, UPS and motor drives.

AEC-Q101 qualified and PAPP eligible, this robust SCR is available in a D²PAK SMD package ideal for higher power compact SMD designs, enabling compact, high-power designs on standard or insulated metal substrate boards.

Key features

  • Can be used on AC Line up to 440 VAC
  • Suitable for 3-phase 11 kW charger designs
  • High power density with SMD package and 150°C rating
  • AEC-Q101 qualified thyristor for automotive and power grid applications
  • Robust AC-DC rectifying and power bus protection shunting

Application examples

EV charging stations

On-board chargers (OBC)

Renewable energy

Solid state relays

Recommended resources

Design tips for Inrush-current limiter circuits (ICL) using Triacs and Thyristors (SCR)

Design tips for inrush-current limiter circuits (ICL) using Triacs and Thyristors (SCR)

Application note

This application note describes the challenges of designing inrush-current limiter circuits and how to overcome them.

Thyristors in automotive and industrial applications

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Benefits of the TN4050HA-12GY in 7.5 kW conversion applications

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On-demand webinar

Active discharge and pre-charge of EV high-voltage power buses