BTA330-800BTQ127 vs BCR5KM-12RA-A8#B00

Part Number
BTA330-800BTQ127
BCR5KM-12RA-A8#B00
Category Thyristors - TRIACs Thyristors - TRIACs
Manufacturer NXP USA Inc. Renesas Electronics America Inc
Description 3 QUADRANT TRIAC INSULATED TYPE TRIAC
Package Tape & Reel (TR) Tube
Series - -
Operating Temperature - -
Mounting Type - -
Package / Case - -
Supplier Device Package - -
Configuration - -
Current - Hold (Ih) (Max) - -
Voltage - Off State - -
Voltage - Gate Trigger (Vgt) (Max) - -
Current - Gate Trigger (Igt) (Max) - -
Current - On State (It (RMS)) (Max) - -
Current - Non Rep. Surge 50, 60Hz (Itsm) - -
Triac Type - -
  • 1. What is a TRIAC, and how does it differ from an SCR?

    A TRIAC is a bidirectional device that can control AC power, effectively working as two SCRs in parallel but in opposite directions. Unlike an SCR, which only conducts in one direction, a TRIAC operates in both directions, making it ideal for AC applications.

  • 2. Why do TRIACs require a DIAC for triggering?

    DIACs improve the symmetry of TRIAC firing by ensuring consistent triggering voltages in both directions. This reduces harmonic distortion in AC circuits, enhancing performance.

  • 3. How can flickering in TRIAC circuits be minimized?

    Flickering can be addressed by proper circuit design, including snubber circuits to handle dv/dt issues and filtering to reduce noise and harmonics.

  • 4. Why are TRIACs preferred in household electronics?

    TRIACs are compact, cost-effective, and capable of handling bidirectional current, making them ideal for small, lightweight, and reliable household devices.

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