DB3 DIAC Diode – Bidirectional Trigger Diode

1.50 EGP

The DB3 Diac is a semiconductor device commonly used as a triggering diode for TRIACs and thyristors in AC switching applications. It functions as a bidirectional trigger diode that allows current to flow only after the voltage exceeds a specific breakover threshold, making it ideal for phase control in light dimmers, motor speed controls, and other AC power control circuits.

SKU: CM-22756 Category: Tags: ,

Description

🔧 Key Features:

  • Type: Bidirectional trigger diode (DIAC)

  • Breakover Voltage: Typically around 28V to 36V

  • Maximum Repetitive Peak Off-State Voltage (V_DRM): Approximately 40V

  • Maximum On-State Current: Around 2A (non-repetitive)

  • Package: DO-35 glass diode package (axial lead)

  • Switching Characteristics: Fast triggering for precise phase control

  • Polarity: Bidirectional operation, symmetrical characteristics

  • Applications: AC switching, phase control, triggering TRIACs

⚙️ Typical Applications:

  • Light dimmer circuits

  • Motor speed controllers

  • Solid-state relays

  • Overvoltage protection

  • AC power control systems

📦 Package Includes:

  • 1 x DB3 DIAC Diode – DO-35 Axial Lead Package

✅ Why Choose the DB3 DIAC Diode?

The DB3 DIAC offers reliable and precise triggering for AC control circuits. Its symmetrical bidirectional properties and robust construction make it a fundamental component in many power electronics designs where controlled switching of AC signals is required.

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