BTA312X-800B/DGQ

Triacs Overview

The BTA312X-800B/DGQ is a triac from WeEn Semiconductors, designed for general-purpose AC power switching applications. It features an 800V repetitive peak off-state voltage and a continuous on-state current rating of 12A. The device is housed in a DPAK (TO-252) surface-mount package, providing robust thermal performance and compact footprint suitability for automated assembly. It exhibits high dv/dt capability and gate trigger sensitivity, ensuring reliable operation in resistive and inductive loads. The component includes integrated snubber circuitry options within its design architecture to enhance noise immunity.

Triacs Feature Summary

• High surge current handling capability for robust load protection
• Surface-mount DPAK package optimized for thermal dissipation and PCB space efficiency
• Enhanced commutation performance suitable for inductive load switching

Triacs Applications

• Solid-state relays and contactor replacements
• Motor speed control circuits for small appliances
• Lighting dimmer modules for residential and commercial use

Triacs Procurement Notes

Verify the specific suffix DGQ against official WeEn Semiconductors documentation to confirm tape-and-reel packaging specifications and moisture sensitivity level ratings. Ensure that the ordering part number matches the exact voltage and current class required for the target application circuit design parameters.

Triacs Selection Notes

Select this component when a surface-mount solution is required for AC power control with moderate current demands. Evaluate the thermal resistance characteristics of the DPAK package against the expected ambient temperature conditions. Confirm that the gate trigger current requirements align with the driving circuit capabilities to ensure reliable turn-on under all operating conditions.

Triacs Part Context

This triac belongs to the BTA312X series, which offers various voltage ratings and package options. The BTA312X-800B variant specifically targets applications requiring 800V blocking capability. The DGQ suffix indicates specific packaging and handling attributes defined by the manufacturer for supply chain logistics and storage requirements.

Triacs Replacement Considerations

Cross-reference with equivalent 12A, 800V triacs in TO-252 packages from other manufacturers such as STMicroelectronics or Littelfuse. Verify pinout compatibility and thermal resistance values before substitution to ensure circuit integrity and performance parity.