BTA26-800BWRG

Triacs Overview

The BTA26-800BWRG is a standard and Snubberless Triac from STMicroelectronics, rated for 25 A RMS on-state current and 800 V repetitive peak off-state voltage. It utilizes a TOP3 insulated package with an electrically isolated tab rated at 2500 VRMS. The component features low thermal resistance achieved through clip bonding technology. Key electrical parameters include a maximum gate trigger current of 50 mA and a maximum gate trigger voltage of 1.3 V. It supports operation across a junction temperature range of -40 °C to +125 °C.

Triacs Feature Summary

• Features high commutation capability suitable for both standard (4 quadrants) and snubberless (3 quadrants) applications.
• Provides an electrically insulated tab rated at 2500 VRMS, complying with UL 1557 standards.
• Utilizes clip bonding construction to achieve low thermal resistance between the junction and case.

Triacs Applications

• On/off switching functions in static relays
• Heating regulation systems
• Induction motor starting circuits
• Phase control operations in light dimmers
• Motor speed controllers

Triacs Procurement Notes

Verify the specific ordering suffix to confirm the exact voltage rating and gate sensitivity type. The 'BW' suffix indicates a 50 mA Snubberless variant, while 'BR' denotes a Standard version. Ensure the TOP3 insulated package matches the required isolation specifications for the target application circuit design.

Triacs Selection Notes

Select this component when a 25 A AC switch with high insulation requirements is needed. The insulated tab allows direct mounting to heatsinks without additional insulating hardware. Verify that the load characteristics align with the snubberless or standard commutation capabilities defined by the specific gate trigger current rating.

Triacs Part Context

This device belongs to the BTA26 series, which includes variants with different voltage ratings (600 V and 800 V) and gate sensitivities. The BTB26 counterpart offers a non-insulated version within the same TOP3 package family. These components are designed for general-purpose mains power AC switching applications.

Triacs Replacement Considerations

Direct replacements include other BTA26 variants such as BTA26-800BRG for standard commutation needs. For non-insulated requirements, the BTB26-800BWRG serves as a compatible alternative within the same current and voltage class.