Littelfuse Inc.
Obrázek může být reprezentace.
Viz Specifikace pro podrobnosti o produktu.
Q8008LH4
Zobrazit detail DataSheets

Q8008LH4 Product Overview

Introduction

The Q8008LH4 is a semiconductor device belonging to the category of thyristors. It is commonly used in electronic circuits for controlling power. This entry provides an overview of the basic information, specifications, pin configuration, functional features, advantages and disadvantages, working principles, application field plans, and alternative models of the Q8008LH4.

Basic Information Overview

  • Category: Thyristor
  • Use: Power control in electronic circuits
  • Characteristics: High current handling capacity, low forward voltage drop
  • Package: TO-220AB
  • Essence: Silicon-controlled rectifier (SCR)
  • Packaging/Quantity: Typically packaged individually

Specifications

  • Voltage Rating: 800V
  • Current Rating: 8A
  • Gate Trigger Current: 5mA
  • Operating Temperature Range: -40°C to 125°C
  • Mounting Type: Through Hole
  • Package / Case: TO-220-3

Detailed Pin Configuration

The Q8008LH4 has a standard TO-220AB package with three leads: 1. Anode (A) 2. Cathode (K) 3. Gate (G)

Functional Features

  • High Current Handling: Capable of handling high currents up to 8A.
  • Low Forward Voltage Drop: Provides efficient power control with minimal voltage loss.
  • Reliable Triggering: The gate trigger current of 5mA ensures reliable switching.

Advantages and Disadvantages

Advantages

  • High current handling capacity
  • Low forward voltage drop
  • Reliable triggering
  • Compact TO-220AB package

Disadvantages

  • Limited voltage rating compared to higher power thyristors
  • Sensitive to temperature variations

Working Principles

The Q8008LH4 operates based on the principle of controlling the flow of electric current using a small gate signal. When the gate signal is applied, the thyristor switches from a non-conducting state to a conducting state, allowing current to flow through it until the current drops below a certain threshold.

Detailed Application Field Plans

The Q8008LH4 finds applications in various electronic circuits requiring power control, including: - Dimmer circuits - Motor control - Heating control systems - Lighting control

Detailed and Complete Alternative Models

Some alternative models to the Q8008LH4 include: - Q6012LH4: Similar characteristics with a lower voltage rating - Q2008LH4: Lower current rating but suitable for lower power applications - Q8016LH4: Higher voltage and current rating for more demanding applications

In conclusion, the Q8008LH4 is a versatile thyristor suitable for power control in various electronic circuits. Its high current handling capacity and low forward voltage drop make it an ideal choice for applications requiring efficient power regulation.

Word Count: 411

Seznam 10 běžných otázek a odpovědí souvisejících s aplikací Q8008LH4 v technických řešeních

  1. What is Q8008LH4?

    • Q8008LH4 is a high-power, sensitive gate silicon controlled rectifier (SCR) designed for use in general-purpose switching and phase control applications.

  2. What are the key features of Q8008LH4?

    • The key features of Q8008LH4 include a blocking voltage of 800 volts, a continuous current rating of 8 amperes, and a low gate trigger current.

  3. In what technical solutions can Q8008LH4 be used?

    • Q8008LH4 can be used in various technical solutions such as motor control, lighting control, power supplies, and industrial automation.

  4. What is the maximum operating temperature for Q8008LH4?

    • The maximum operating temperature for Q8008LH4 is 110°C.

  5. Does Q8008LH4 require a heat sink for operation?

    • Yes, Q8008LH4 typically requires a heat sink to dissipate heat and ensure proper operation, especially when handling higher currents.

  6. What is the typical gate trigger current for Q8008LH4?

    • The typical gate trigger current for Q8008LH4 is 200 mA.

  7. Can Q8008LH4 be used in AC or DC applications?

    • Q8008LH4 is suitable for both AC and DC applications, making it versatile for different technical solutions.

  8. Are there any specific considerations for driving the gate of Q8008LH4?

    • It is important to ensure that the gate drive circuit provides sufficient current to trigger the SCR reliably, while also considering noise immunity and protection against voltage transients.

  9. What are the typical applications where Q8008LH4 excels?

    • Q8008LH4 excels in applications such as solid-state relays, HVAC controls, welding equipment, and uninterruptible power supplies (UPS).

  10. Is Q8008LH4 suitable for high-reliability applications?

    • Yes, Q8008LH4 is designed for high-reliability applications and is capable of withstanding rugged operating conditions.

Please let me know if you need further information on any of these questions!