Vishay Semiconductor Diodes Division
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BU1508-E3/45
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BU1508-E3/45

Product Overview

Category

The BU1508-E3/45 belongs to the category of power transistors.

Use

It is commonly used in electronic circuits for amplification and switching applications.

Characteristics

  • High voltage capability
  • Low collector-emitter saturation voltage
  • Fast switching speed

Package

The BU1508-E3/45 is typically available in a TO-220 package.

Essence

This power transistor is essential for controlling high-power electronic devices.

Packaging/Quantity

It is usually packaged individually and sold in quantities suitable for electronic projects and manufacturing.

Specifications

  • Maximum Collector-Emitter Voltage: 700V
  • Maximum Collector Current: 15A
  • Power Dissipation: 50W
  • Transition Frequency: 4MHz
  • Operating Temperature Range: -55°C to 150°C

Detailed Pin Configuration

The BU1508-E3/45 has a standard TO-220 pin configuration: 1. Base 2. Collector 3. Emitter

Functional Features

  • High voltage capability allows for use in various power applications.
  • Low collector-emitter saturation voltage ensures efficient operation.
  • Fast switching speed enables quick response in switching applications.

Advantages

  • Suitable for high-power applications
  • Low saturation voltage reduces power loss
  • Fast switching speed for efficient performance

Disadvantages

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

Working Principles

The BU1508-E3/45 operates based on the principles of bipolar junction transistors, where the flow of current between the collector and emitter is controlled by the base current.

Detailed Application Field Plans

The BU1508-E3/45 is commonly used in the following applications: - Switching power supplies - Motor control circuits - Audio amplifiers - Electronic ballasts

Detailed and Complete Alternative Models

Some alternative models to the BU1508-E3/45 include: - TIP3055 - MJ15003 - 2N3055

In conclusion, the BU1508-E3/45 power transistor is a versatile component with high voltage capability, making it suitable for a wide range of power applications. Its fast switching speed and low saturation voltage make it an efficient choice for electronic circuits requiring high-power control.

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Lista 10 Vanliga frågor och svar relaterade till tillämpningen av BU1508-E3/45 i tekniska lösningar

  1. What is BU1508-E3/45?

    • BU1508-E3/45 is a high-voltage, fast-switching NPN power transistor commonly used in electronic circuits and technical solutions.

  2. What are the typical applications of BU1508-E3/45?

    • BU1508-E3/45 is commonly used in switch-mode power supplies, electronic ballasts, and other high-voltage, high-speed switching applications.

  3. What is the maximum voltage and current ratings for BU1508-E3/45?

    • The maximum collector-emitter voltage (Vce) is typically around 700V, and the maximum collector current (Ic) is around 8A.

  4. How do I properly drive BU1508-E3/45 in my circuit?

    • It is important to use appropriate drive circuitry to ensure proper switching characteristics and to avoid damaging the transistor. A suitable gate driver and snubber circuit may be required.

  5. What are the key thermal considerations when using BU1508-E3/45?

    • Proper heat sinking is crucial to ensure that the transistor operates within its temperature limits. Adequate airflow or forced cooling may also be necessary in high-power applications.

  6. Can BU1508-E3/45 be used in audio amplifier designs?

    • While BU1508-E3/45 is primarily designed for high-voltage switching applications, it can be used in certain audio amplifier designs where high voltage and power handling capabilities are required.

  7. Are there any common failure modes associated with BU1508-E3/45?

    • Common failure modes include thermal runaway due to inadequate heat dissipation, overvoltage stress leading to breakdown, and overstress during switching events.

  8. What are the recommended storage and operating temperature ranges for BU1508-E3/45?

    • The recommended storage temperature range is typically between -55°C to 150°C, while the operating temperature range is usually between -40°C to 150°C.

  9. Can BU1508-E3/45 be used in automotive applications?

    • Yes, BU1508-E3/45 can be used in certain automotive applications, such as in electronic ignition systems and motor control circuits, where its high-voltage and high-speed switching capabilities are beneficial.

  10. Where can I find detailed datasheets and application notes for BU1508-E3/45?

    • Datasheets and application notes for BU1508-E3/45 can typically be found on the manufacturer's website or through authorized distributors. Additionally, technical support from the manufacturer can provide further guidance on its application in specific technical solutions.