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PTV4.7B-M3/85A
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PTV4.7B-M3/85A

Introduction

PTV4.7B-M3/85A is a semiconductor product belonging to the category of power transistors. This entry provides an overview of its basic information, specifications, pin configuration, functional features, advantages and disadvantages, working principles, application field plans, and alternative models.

Basic Information Overview

  • Category: Power Transistor
  • Use: Amplification and switching of electrical signals in various electronic circuits.
  • Characteristics: High voltage and current handling capabilities, low power dissipation, and fast switching speed.
  • Package: TO-220AB package type
  • Essence: Silicon NPN Epitaxial Planar Transistor
  • Packaging/Quantity: Available in reels with a quantity of 2500 units per reel.

Specifications

  • Voltage - Collector Emitter Breakdown (Max): 400V
  • Current - Collector (Ic) (Max): 8A
  • Power - Max: 40W
  • DC Current Gain (hFE) (Min) @ Ic, Vce: 40 @ 4A, 2V
  • Frequency - Transition: 30MHz
  • Operating Temperature: -55°C ~ 150°C

Detailed Pin Configuration

The PTV4.7B-M3/85A transistor has three pins: 1. Collector (C): Connected to the positive supply voltage. 2. Base (B): Controls the transistor's turn-on and turn-off times. 3. Emitter (E): Connected to the ground or return path of the circuit.

Functional Features

  • High voltage capability
  • Fast switching speed
  • Low collector-emitter saturation voltage
  • Complementary NPN type available (PTV4.7B-M3/85C)

Advantages and Disadvantages

Advantages

  • High voltage and current handling capacity
  • Fast switching speed
  • Low power dissipation

Disadvantages

  • Sensitive to overvoltage conditions
  • Requires careful thermal management due to high power dissipation

Working Principles

The PTV4.7B-M3/85A 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 PTV4.7B-M3/85A 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 PTV4.7B-M3/85A include: - PTV4.7B-M3/85C: Complementary NPN type with similar specifications - PTV6.8B-M3/85A: Higher voltage and current handling capabilities - PTV3.3B-M3/85A: Lower voltage and current ratings for low-power applications

In conclusion, the PTV4.7B-M3/85A power transistor offers high voltage and current handling capabilities, making it suitable for various electronic applications such as switching power supplies, motor control circuits, and audio amplifiers. While it has advantages in terms of performance, it requires careful consideration of overvoltage protection and thermal management. Additionally, there are alternative models available to suit different application requirements.

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10個與PTV4.7B-M3/85A在技術方案中應用相關的常見問題與解答

  1. What is PTV4.7B-M3/85A?

    • PTV4.7B-M3/85A is a type of high-temperature, high-performance thermoplastic material commonly used in technical solutions.

  2. What are the key properties of PTV4.7B-M3/85A?

    • PTV4.7B-M3/85A exhibits excellent mechanical strength, chemical resistance, and thermal stability, making it suitable for demanding technical applications.

  3. In what technical solutions can PTV4.7B-M3/85A be used?

    • PTV4.7B-M3/85A is commonly used in applications such as aerospace components, automotive parts, industrial machinery, and electrical insulation due to its high performance under extreme conditions.

  4. What temperature range can PTV4.7B-M3/85A withstand?

    • PTV4.7B-M3/85A can typically withstand temperatures ranging from -50°C to 200°C, making it suitable for high-temperature environments.

  5. Is PTV4.7B-M3/85A resistant to chemicals and solvents?

    • Yes, PTV4.7B-M3/85A exhibits excellent resistance to a wide range of chemicals and solvents, making it suitable for use in harsh chemical environments.

  6. Can PTV4.7B-M3/85A be machined or fabricated easily?

    • Yes, PTV4.7B-M3/85A can be machined, fabricated, and formed using standard manufacturing processes such as milling, turning, and injection molding.

  7. Does PTV4.7B-M3/85A have good electrical insulation properties?

    • Yes, PTV4.7B-M3/85A has excellent electrical insulation properties, making it suitable for use in electrical and electronic applications.

  8. What are the typical applications of PTV4.7B-M3/85A in the aerospace industry?

    • In the aerospace industry, PTV4.7B-M3/85A is commonly used for manufacturing aircraft engine components, interior cabin parts, and structural elements due to its high performance and lightweight nature.

  9. Is PTV4.7B-M3/85A compliant with any industry standards or certifications?

    • PTV4.7B-M3/85A may be compliant with industry standards such as ASTM, ISO, or specific aerospace and automotive material specifications, depending on the manufacturer and intended application.

  10. What are the considerations for designing with PTV4.7B-M3/85A in technical solutions?

    • When designing with PTV4.7B-M3/85A, factors such as thermal expansion, part geometry, and load-bearing requirements should be carefully considered to optimize the material's performance in the intended application.