DB3 DIAC TRIGGER DIODE
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DB3 DIAC TRIGGER DIODE
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DB3 DIAC TRIGGER DIODE_2

DB3 DIAC TRIGGER DIODE

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  • Product SKU: DIODE006
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Specification

Description

The DB3 is a commonly used DIAC (Diode for Alternating Current) trigger diode.

Here's a brief description of its characteristics:

Type: DIAC (Diode for Alternating Current).

Operation: The DIAC is a bidirectional semiconductor switch that conducts current only after its breakdown voltage is exceeded. It is commonly used in triggering thyristors and triacs in phase control and light-dimming applications.

Breakdown Voltage (VBO): The DB3 typically has a breakdown voltage ranging from 28 volts to 36 volts, depending on the specific model and manufacturer.

Peak Forward Current (IPP): It can handle peak forward currents in the range of a few amperes.

Peak Repetitive Off-State Voltage (VDRM): Typically around 30 volts to 38 volts.

Package Type: The DB3 is commonly available in a DO-35 package, which is a small glass-encapsulated diode package.

Application:

The DB3 is widely used in various AC switching applications, including phase control, light-dimming circuits, motor speed control, and inrush current limiting.

Technical Details

  • Break Over Voltage: 28 to 36V
  • Break Over Voltage Symmetry: ±3V
  • Break Over Current: 100 mA
  • Peak Output Voltage: 5V
  • Working Current: 30mA
  • Power Dissipation: 150mW
  • Peak On- State Current: 2A
  • Leakage Current: 10uA
  • Rise Time: 1.5 ms
  • Operating Temperature: -40 ~ 125°C
  • Mounting Style: Through Hole
  • Case/Package: DO35 Glass Axial Package

Applications

  • For Triggering TRIACs, SCRs, Industrial and Commercial Equipment
  • Lamp Dimmer Circuits, Universal Motor
  • Speed Controls, Heat Controls etc.

Documentation

Package Includes

  • 1 x DB3 DIAC TRIGGER DIODE

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