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Q4004R4 Product Overview
Introduction
The Q4004R4 is a semiconductor device belonging to the category of silicon-controlled rectifiers (SCRs). This entry provides an in-depth overview of the Q4004R4, including its basic information, specifications, pin configuration, functional features, advantages and disadvantages, working principles, application field plans, and alternative models.
Basic Information Overview
- Category: Semiconductor Device
- Use: Power Control and Regulation
- Characteristics: High Voltage and Current Handling Capabilities
- Package: TO-202 Type
- Essence: Silicon-Controlled Rectifier
- Packaging/Quantity: Individual Packaging, Quantity Varies
Specifications
- Voltage Rating: 400V
- Current Rating: 4A
- Gate Trigger Current: 200mA
- Operating Temperature Range: -40°C to 125°C
- Mounting Type: Through Hole
- Package / Case: TO-202-3
Detailed Pin Configuration
The Q4004R4 has a standard TO-202-3 package with the following pin configuration: 1. Anode (A) 2. Cathode (K) 3. Gate (G)
Functional Features
- High Voltage Capability: The Q4004R4 can handle high voltage levels, making it suitable for power control applications.
- Reliable Switching: It offers reliable switching performance, ensuring stable operation in various conditions.
- Overcurrent Protection: Built-in overcurrent protection enhances its safety and reliability in power regulation systems.
Advantages and Disadvantages
Advantages
- High voltage and current handling capabilities
- Reliable switching performance
- Overcurrent protection for enhanced safety
Disadvantages
- Sensitive to external electrical noise
- Limited frequency response compared to some alternative models
Working Principles
The Q4004R4 operates based on the principle of controlling the flow of current through the device using a gate signal. When the gate trigger current is applied, the SCR switches from a non-conducting state to a conducting state, allowing current to flow through the device.
Detailed Application Field Plans
The Q4004R4 finds extensive use in various power control and regulation applications, including: - AC Motor Control - Lighting Systems - Heating Elements Control - Power Supplies - Industrial Automation
Detailed and Complete Alternative Models
Some alternative models to the Q4004R4 include: - Q4006LT: Higher voltage rating (600V) and current rating (4A) - Q4008LH4: Higher voltage rating (800V) with similar current rating (4A) - Q4010R4: Higher current rating (10A) with a lower voltage rating (400V)
In conclusion, the Q4004R4 is a versatile silicon-controlled rectifier with robust voltage and current handling capabilities, making it suitable for a wide range of power control applications.
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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací Q4004R4 v technických řešeních
What is Q4004R4?
- Q4004R4 is a silicon-controlled rectifier (SCR) that can be used in various technical solutions for controlling power.
What are the typical applications of Q4004R4?
- Q4004R4 is commonly used in AC switching and control applications such as lighting, heating, motor controls, and power supplies.
What is the maximum voltage and current rating of Q4004R4?
- The maximum voltage rating of Q4004R4 is typically around 400 volts, and the maximum current rating is around 4 amperes.
How does Q4004R4 compare to other SCRs in terms of performance?
- Q4004R4 offers reliable performance and is suitable for general-purpose AC switching applications. It provides good surge capability and high on-state current.
Can Q4004R4 be used in high-temperature environments?
- Yes, Q4004R4 is designed to operate in a wide range of temperatures, making it suitable for applications where high-temperature tolerance is required.
What are the key features of Q4004R4 that make it suitable for technical solutions?
- Q4004R4 features sensitive gate triggering, low holding current for improved noise immunity, and high surge current capability, making it versatile for various technical solutions.
Are there any specific considerations for driving Q4004R4 in a circuit?
- It's important to ensure proper heat sinking and consider the gate trigger current and voltage requirements when designing the driving circuit for Q4004R4.
Can Q4004R4 be used in phase control applications?
- Yes, Q4004R4 can be utilized in phase control circuits for controlling the power delivered to loads such as heaters, lamps, and universal motors.
What are the typical failure modes of Q4004R4 and how can they be mitigated?
- Common failure modes include overvoltage stress and thermal overstress. Proper voltage and thermal management, along with adequate protection circuitry, can help mitigate these risks.
Where can I find detailed technical specifications and application notes for Q4004R4?
- Detailed technical specifications and application notes for Q4004R4 can be found in the manufacturer's datasheet and application notes, which are available on their official website or through authorized distributors.