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D45H5
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D45H5 Transistor

Product Overview

Category

The D45H5 transistor belongs to the category of power transistors.

Use

It is commonly used in electronic circuits as a switching device for controlling high-power loads.

Characteristics

  • High voltage capability
  • High current capability
  • Low saturation voltage
  • Fast switching speed

Package

The D45H5 transistor is typically available in a TO-220 package, which allows for easy mounting on heat sinks.

Essence

The essence of the D45H5 transistor lies in its ability to handle high power and high voltage applications with efficiency and reliability.

Packaging/Quantity

It is usually packaged individually and is available in various quantities depending on the supplier.

Specifications

  • Collector-Emitter Voltage (VCEO): 80V
  • Collector-Base Voltage (VCBO): 100V
  • Collector Current (IC): 10A
  • Power Dissipation (PD): 40W
  • Transition Frequency (FT): 4MHz

Detailed Pin Configuration

The D45H5 transistor has three pins: 1. Base (B) 2. Emitter (E) 3. Collector (C)

Functional Features

  • High voltage and current handling capabilities
  • Low saturation voltage for efficient switching
  • Fast switching speed for rapid response in electronic circuits

Advantages

  • Suitable for high-power applications
  • Reliable and durable
  • Low saturation voltage reduces power loss

Disadvantages

  • May require heat sinking in high-power applications
  • Sensitive to overvoltage conditions

Working Principles

The D45H5 transistor operates based on the principles of semiconductor physics, utilizing the control of current flow between its terminals to switch high-power loads in electronic circuits.

Detailed Application Field Plans

The D45H5 transistor finds extensive use in the following applications: - Power supplies - Motor control - Audio amplifiers - LED lighting systems

Detailed and Complete Alternative Models

Some alternative models to the D45H5 transistor include: - TIP3055 - MJ15003 - 2N3055

In conclusion, the D45H5 transistor is a versatile component that offers high power handling capabilities and fast switching speeds, making it suitable for a wide range of electronic applications.

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací D45H5 v technických řešeních

  1. What is D45H5?

    • D45H5 is a commonly used NPN bipolar junction transistor (BJT) with high voltage and current capabilities, often used in power applications.

  2. What are the typical applications of D45H5?

    • D45H5 is often used in power supply circuits, motor control, audio amplifiers, and other high-power electronic applications.

  3. What are the key specifications of D45H5?

    • The D45H5 transistor typically has a collector-emitter voltage (Vce) of 80V, a collector current (Ic) of 10A, and a power dissipation (Pd) of 65W.

  4. How do I properly bias D45H5 in a circuit?

    • Proper biasing of D45H5 involves setting the base current to ensure the transistor operates within its specified parameters. This can be achieved using appropriate resistors in the base circuit.

  5. Can D45H5 be used in switching applications?

    • Yes, D45H5 can be used in switching applications due to its high current and voltage ratings. However, proper consideration of switching times and power dissipation is necessary.

  6. What are the thermal considerations when using D45H5 in a design?

    • Thermal management is important when using D45H5, as it dissipates heat during operation. Adequate heat sinking or thermal design should be implemented to prevent overheating.

  7. Are there any common failure modes associated with D45H5?

    • Common failure modes include thermal runaway due to inadequate heat dissipation, overvoltage stress, and excessive current leading to breakdown.

  8. Can D45H5 be used in audio amplifier designs?

    • Yes, D45H5 is suitable for use in audio amplifier designs, particularly in higher power applications where its current and voltage capabilities are beneficial.

  9. What are some alternative transistors to D45H5 for similar applications?

    • Alternatives to D45H5 include transistors such as TIP31C, TIP32C, MJ15003, and MJ15004, which offer comparable characteristics for power applications.

  10. How can I ensure the reliability of D45H5 in my technical solution?

    • Ensuring proper heatsinking, operating within specified voltage and current limits, and protecting against overvoltage conditions are key factors in ensuring the reliability of D45H5 in a technical solution.