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Q4008DH4 from TECCOR/L

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Q4008DH4

Manufacturer: TECCOR/L

Alternistor Triacs (6 A to 40 A)

Partnumber Manufacturer Quantity Availability
Q4008DH4 TECCOR/L 10000 In Stock

Description and Introduction

Alternistor Triacs (6 A to 40 A) # Introduction to the Q4008DH4 Electronic Component  

The Q4008DH4 is a high-performance silicon-controlled rectifier (SCR) designed for robust switching applications in AC power control circuits. As a member of the Quadrac family, it integrates a bidirectional trigger diode (DIAC) with an SCR in a single package, simplifying circuit design and improving reliability.  

With a voltage rating of 400V and a current handling capability of 8A, the Q4008DH4 is well-suited for medium-power applications such as motor controls, lighting dimmers, and industrial automation systems. Its compact TO-220AB package ensures efficient heat dissipation, making it ideal for high-temperature environments.  

Key features of the Q4008DH4 include low gate trigger current, high surge current tolerance, and reliable performance under repetitive switching conditions. The built-in DIAC ensures precise triggering, reducing the need for external components and enhancing system stability.  

Engineers favor the Q4008DH4 for its durability and ease of integration, particularly in circuits requiring phase-angle control or zero-crossing switching. Its robust construction and compliance with industry standards make it a dependable choice for both commercial and industrial applications.  

For designers seeking a cost-effective, high-efficiency SCR solution, the Q4008DH4 offers a balanced combination of performance and reliability, making it a versatile component in modern power electronics.

Application Scenarios & Design Considerations

Alternistor Triacs (6 A to 40 A)

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