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TIP34B
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TIP34B Transistor

Introduction

The TIP34B is a high-power NPN bipolar junction transistor (BJT) designed for general-purpose amplifier and switching applications. This entry provides an overview of the TIP34B, including its product category, basic information, specifications, pin configuration, functional features, advantages and disadvantages, working principles, application field plans, and alternative models.

Product Category

The TIP34B belongs to the category of power transistors, specifically designed for high-power amplification and switching applications.

Basic Information Overview

  • Use: The TIP34B is commonly used in audio amplifiers, power supplies, industrial controls, and other high-power applications.
  • Characteristics: It exhibits high current and voltage ratings, making it suitable for demanding applications.
  • Package: The TIP34B is typically available in a TO-247 package, providing efficient heat dissipation and mechanical ruggedness.
  • Essence: Its essence lies in its ability to handle high power levels with low distortion.
  • Packaging/Quantity: It is commonly sold in individual packaging or reels, with quantities varying based on supplier and customer requirements.

Specifications

  • Collector-Emitter Voltage (VCEO): 100V
  • Collector-Base Voltage (VCBO): 100V
  • Emitter-Base Voltage (VEBO): 5V
  • Collector Current (IC): 10A
  • Power Dissipation (PD): 125W
  • Transition Frequency (fT): 3 MHz
  • Operating Temperature Range: -65°C to 150°C

Detailed Pin Configuration

The TIP34B transistor has a standard three-pin configuration: 1. Collector (C) 2. Base (B) 3. Emitter (E)

Functional Features

  • High current and voltage ratings
  • Low saturation voltage
  • Fast switching speed
  • Robust construction for reliable performance in demanding environments

Advantages and Disadvantages

Advantages

  • Suitable for high-power applications
  • Efficient heat dissipation due to TO-247 package
  • Low distortion in audio amplifier applications

Disadvantages

  • Relatively large package size compared to smaller transistors
  • Higher cost compared to lower-power transistors

Working Principles

The TIP34B operates as a current-controlled switch or amplifier. When biased properly, it allows a small input current to control a much larger output current, making it suitable for amplification and switching purposes.

Detailed Application Field Plans

The TIP34B finds extensive use in the following applications: - Audio amplifiers - Power supplies - Industrial motor controls - High-power LED drivers - Switching regulators

Detailed and Complete Alternative Models

  • TIP31B
  • TIP32B
  • TIP35C
  • MJL3281A
  • MJL1302A

In conclusion, the TIP34B transistor offers high-power handling capabilities and is well-suited for various amplifier and switching applications. Its robust construction and reliable performance make it a popular choice in the electronics industry.

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Lista 10 Vanliga frågor och svar relaterade till tillämpningen av TIP34B i tekniska lösningar

  1. What is the TIP34B transistor used for?

    • The TIP34B is a high power NPN bipolar junction transistor commonly used in audio amplifier and power supply applications.

  2. What are the key specifications of the TIP34B transistor?

    • The TIP34B has a maximum collector current of 10A, a maximum collector-emitter voltage of 100V, and a maximum power dissipation of 125W.

  3. How can I use the TIP34B in an audio amplifier circuit?

    • The TIP34B can be used as the output transistor in a class AB audio amplifier to drive speakers with higher power output.

  4. Can the TIP34B be used in a switching power supply?

    • Yes, the TIP34B can be used in medium power switching applications due to its high current and voltage ratings.

  5. What are the typical operating conditions for the TIP34B?

    • The TIP34B is typically operated with a base current of 0.5A and a collector current of 5A.

  6. How do I ensure proper heat dissipation when using the TIP34B in a circuit?

    • Proper heat sinking is essential to dissipate the heat generated by the TIP34B, especially in high power applications.

  7. Can the TIP34B be used in automotive applications?

    • Yes, the TIP34B can be used in automotive electronic systems such as motor control and lighting circuits.

  8. What are the common failure modes of the TIP34B transistor?

    • Common failure modes include thermal runaway due to inadequate heat sinking and overcurrent leading to device breakdown.

  9. Are there any recommended alternative transistors to the TIP34B?

    • Alternative transistors with similar characteristics include the TIP35B and TIP36B, which may be suitable replacements in some applications.

  10. Where can I find detailed application notes for using the TIP34B in technical solutions?

    • Detailed application notes and circuit examples for the TIP34B can be found in the manufacturer's datasheet and application guides.