Vishay Semiconductor Diodes Division
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BU2508-E3/51
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BU2508-E3/51

Product Overview

Category: Semiconductor
Use: Power transistor for electronic circuits
Characteristics: High voltage, high current capability
Package: TO-3P
Essence: Power amplification and switching
Packaging/Quantity: Bulk packaging, quantity varies

Specifications

  • Maximum Collector-Emitter Voltage: 700V
  • Maximum Collector Current: 8A
  • Power Dissipation: 100W
  • Transition Frequency: 4MHz
  • Operating Temperature: -65°C to 150°C

Detailed Pin Configuration

  1. Base
  2. Emitter
  3. Collector

Functional Features

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

Advantages

  • Suitable for power amplification and switching applications
  • Robust construction for reliable performance
  • Wide operating temperature range

Disadvantages

  • Relatively large package size
  • Higher cost compared to smaller transistors

Working Principles

The BU2508-E3/51 is a power transistor that operates by controlling the flow of current between the collector and emitter terminals based on the current applied to the base terminal. It is designed to handle high voltages and currents, making it suitable for power amplification and switching applications.

Detailed Application Field Plans

The BU2508-E3/51 is commonly used in audio amplifiers, power supplies, motor control circuits, and other electronic systems requiring high-power handling capabilities. Its robust design and high voltage tolerance make it suitable for industrial and automotive applications as well.

Detailed and Complete Alternative Models

  • BU2508DF
  • MJL21193
  • 2SC5200

This completes the English editing encyclopedia entry structure format for BU2508-E3/51, providing comprehensive information about the product's category, use, characteristics, specifications, pin configuration, functional features, advantages and disadvantages, working principles, application field plans, and alternative models.

قم بإدراج 10 أسئلة وإجابات شائعة تتعلق بتطبيق BU2508-E3/51 في الحلول التقنية

  1. What is the BU2508-E3/51 used for?

    • The BU2508-E3/51 is commonly used as a high-voltage, high-speed switching transistor in various technical solutions such as power supplies and electronic ballasts.

  2. What are the key specifications of the BU2508-E3/51?

    • The BU2508-E3/51 typically has a collector-emitter voltage of 700V, a collector current of 8A, and a transition frequency of 4MHz.

  3. How is the BU2508-E3/51 typically connected in a circuit?

    • The BU2508-E3/51 is often used in common emitter configurations in power supply and ballast circuits.

  4. What are some common applications of the BU2508-E3/51?

    • The BU2508-E3/51 is frequently used in flyback converters, electronic ballasts for fluorescent lamps, and other high-voltage switching applications.

  5. What are the thermal considerations when using the BU2508-E3/51?

    • Proper heat sinking and thermal management are crucial when using the BU2508-E3/51 to ensure reliable operation and prevent overheating.

  6. Are there any recommended driver circuits for the BU2508-E3/51?

    • It is advisable to use suitable driver circuits to ensure proper switching performance and to protect the transistor from voltage spikes and overcurrent conditions.

  7. What are the typical failure modes of the BU2508-E3/51?

    • Common failure modes include thermal overstress, overvoltage breakdown, and excessive current leading to device degradation or failure.

  8. Can the BU2508-E3/51 be used in parallel configurations for higher current applications?

    • Yes, the BU2508-E3/51 can be paralleled with other transistors to increase the overall current-handling capability in high-power applications.

  9. What are the important considerations for PCB layout when using the BU2508-E3/51?

    • Proper trace routing, component placement, and grounding techniques should be employed to minimize parasitic inductance and ensure stable operation.

  10. Where can I find detailed application notes and reference designs for the BU2508-E3/51?

    • Detailed application notes and reference designs for the BU2508-E3/51 can often be found in the manufacturer's datasheets, application guides, and technical resources.