DB3 Diac: A Reliable Semiconductor Device

The DB3 Diac is a highly-regarded semiconductor device, extensively utilized in AC circuits for triggering triacs and other thyristors. It is engineered to conduct and break down upon reaching a specific voltage threshold, thereby guaranteeing consistent and dependable performance across a multitude of electronic applications. The DB3 Diac's reputation for durability and reliability has made it a preferred choice for light dimmers, motor speed controllers, and other phase control circuits.

Key Attributes:

• Breakover Voltage: Typically ranges from 30-36 volts
• Low On-State Voltage Drop: Promotes efficient conduction post-triggering
• Bidirectional Operation: Capable of conducting current in both directions, making it suitable for AC applications
• Compact Design: Available in a TO-92 or DO-35 package, facilitating easy circuit integration

Specifications:

• Breakover Voltage (VBO): 30V to 36V
• Breakover Current (IBO): Maximum of 50µA
• Holding Current (IH): Typically around 5mA
• Package Types: DO-35
• Maximum Repetitive Peak Off-State Voltage (VDRM): 300V

Applications:

• Triggering Triacs and Thyristors: Facilitates the conduction in triacs and thyristors by providing a trigger pulse
• Phase Control Circuits: Crucial for circuits such as light dimmers and motor speed controllers requiring phase control
• Over-Voltage Protection: Serves as a protective device in circuits to avert over-voltage scenarios
• Pulse Generation Circuits: Utilized in producing sharp pulses needed for triggering and timing functions

Why Opt for DB3 Diac?

• Reliability: Renowned for its consistent performance and long-term reliability
• Efficiency: Low on-state voltage drop ensures minimal power wastage
• Compact: Small package size enables easy integration into various circuit designs
• Versatility: Appropriate for a broad array of applications, from consumer electronics to industrial control systems

Package Contents:

1 x DB3 Diac