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On Jul 16, 2025


BTA40-600B Triacs by STMicroelectronics – Reliable Power Switching for AC Applications

The Triacs BTA40-600B by STMicroelectronics are high-performance Semiconductors designed for AC switching and phase control in industrial and consumer electronics. These robust Discrete Semiconductors deliver excellent thermal performance and high surge capability, making them a preferred choice in power control systems. As part of STMicroelectronics’ trusted range of Thyristors and Triacs, they ensure reliable operation in demanding environments.

In this blog, we’ll cover technical specifications, key features, applications, installation details, and how to download the datasheet or purchase from Xon Electronics.


Technical Specifications of BTA40-600B

  • Manufacturer: STMicroelectronics

  • Model: BTA40-600B

  • Type: Triacs

  • Repetitive Peak Off-State Voltage (VDRM): 600V

  • RMS On-State Current (IT(RMS)): 40A

  • Gate Trigger Current (IGT): 50mA

  • Operating Temperature Range: -40°C to +125°C

  • Package: TOP3 Insulated

  • Category: Semiconductors, Discrete Semiconductors, Thyristors, Triacs

This Triac offers superior current handling and robust performance for AC load switching.


Key Features of BTA40-600B Triacs

  • 40A RMS on-state current for high-power applications

  • 600V voltage capability for AC mains control

  • Insulated TOP3 package for enhanced safety and heat dissipation

  • High surge capability for transient conditions

  • Part of STMicroelectronics’ premium Semiconductors and Thyristors portfolio

The BTA40-600B Triacs by STMicroelectronics provide efficient and reliable AC power control for diverse applications.


Applications of BTA40-600B Triacs

  • Light dimmers and fan speed controllers

  • AC motor control systems

  • Heating and temperature regulation equipment

  • Solid-state relays and power regulators

  • OEM designs utilizing Triacs for robust power switching solutions

These Discrete Semiconductors are essential in designs requiring precise AC load management.


Installation and Handling Overview

To integrate the BTA40-600B Triac:

  • Mount securely using the TOP3 insulated package for proper heat transfer.

  • Ensure appropriate heat sinking for high-current applications.

  • Follow recommended gate trigger current specifications for reliable switching.

  • Test under actual load conditions to validate thermal and electrical performance.

This Thyristor solution simplifies design in AC switching circuits.


Use Case Scenario: AC Motor Control System

Scenario: An industrial equipment manufacturer required durable Triacs for AC motor speed control systems.

Problem: Previous components failed under high surge currents and thermal stress.

Solution: The BTA40-600B Triacs by STMicroelectronics offered high current ratings and excellent thermal performance.

Result: Increased system reliability and reduced maintenance costs.


Download Datasheet for BTA40-600B

Download BTA40-600B Datasheet from Xon Electronics


Why Buy from Xon Electronics?

Xon Electronics offers genuine STMicroelectronics Thyristors and Triacs with:

  • 100% Authentic Products for Power Control Applications

  • Fast Global Shipping to USA, India, Australia, Europe & more

  • OEM Discounts and Bulk Order Support

  • Technical Assistance for Seamless Integration

  • Secure Online Ordering at www.xonelec.com


FAQs – BTA40-600B Triacs by STMicroelectronics

Q1. What is the RMS on-state current for this Triac?
It supports 40A RMS.

Q2. Is the package insulated?
Yes, it features an insulated TOP3 package for safer handling.

Q3. Can this Triac handle high surge currents?
Yes, it has excellent surge current capability.

Q4. Does Xon Electronics offer global shipping?
Yes, we ship to USA, India, Australia, Europe & more.


Conclusion

The BTA40-600B Triacs by STMicroelectronics deliver reliable and efficient AC power switching for industrial and consumer applications. As premium Semiconductors in the Discrete Semiconductors and Thyristors category, they are trusted by engineers worldwide. Order now from Xon Electronics for global shipping and technical support.


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