Rohm Semiconductor
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DTA144TKAT146
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DTA144TKAT146

Product Overview

Category

The DTA144TKAT146 belongs to the category of discrete semiconductor products.

Use

It is commonly used as a small-signal transistor for general-purpose amplification and switching applications.

Characteristics

  • Small size
  • High current gain
  • Low power dissipation

Package

The DTA144TKAT146 comes in a SOT-416 package.

Essence

This product is essential for electronic circuit design, particularly in low-power applications.

Packaging/Quantity

It is typically available in reels with a quantity of 3000 units per reel.

Specifications

  • Collector-Base Voltage (VCBO): 50V
  • Collector Current (IC): 100mA
  • Total Power Dissipation (PT): 150mW
  • Transition Frequency (fT): 200MHz
  • Operating Temperature Range: -55°C to 150°C

Detailed Pin Configuration

The DTA144TKAT146 has three pins: 1. Base (B) 2. Emitter (E) 3. Collector (C)

Functional Features

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

Advantages

  • Small size allows for compact circuit design
  • Suitable for low-power applications
  • High transition frequency enables high-frequency operation

Disadvantages

  • Limited maximum collector current compared to other transistors
  • Relatively low collector-base voltage rating

Working Principles

The DTA144TKAT146 operates based on the principles of bipolar junction transistors, utilizing the control of current flow between its terminals to amplify or switch electronic signals.

Detailed Application Field Plans

This transistor is widely used in various electronic circuits, including: - Audio amplifiers - Signal amplification circuits - Switching circuits

Detailed and Complete Alternative Models

Some alternative models to the DTA144TKAT146 include: - DTC144TKAT146 - DTC144EKAT146 - DTC144TKA

In conclusion, the DTA144TKAT146 is a versatile small-signal transistor with specific advantages and limitations that make it suitable for various low-power electronic applications.

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Énumérez 10 questions et réponses courantes liées à l'application de DTA144TKAT146 dans les solutions techniques

  1. What is DTA144TKAT146?

    • DTA144TKAT146 is a high-power, high-voltage NPN bipolar junction transistor (BJT) designed for use in high-voltage applications.

  2. What are the key specifications of DTA144TKAT146?

    • The DTA144TKAT146 has a maximum collector-emitter voltage of 400V, a continuous collector current of 1A, and a power dissipation of 625mW.

  3. What are the typical applications of DTA144TKAT146?

    • Common applications include high-voltage switching circuits, electronic ballasts, and general-purpose amplification in industrial and consumer electronics.

  4. What are the thermal characteristics of DTA144TKAT146?

    • The thermal resistance from junction to ambient is 200°C/W, and the operating temperature range is -55°C to 150°C.

  5. How should DTA144TKAT146 be mounted for optimal performance?

    • It is recommended to mount the transistor on a printed circuit board with adequate copper area for heat dissipation and to ensure proper thermal management.

  6. What are the key considerations for driving DTA144TKAT146 in a high-voltage application?

    • Proper base drive voltage, current limiting, and appropriate snubber circuits should be implemented to protect the transistor from overvoltage and overcurrent conditions.

  7. Can DTA144TKAT146 be used in audio amplifier designs?

    • While it is primarily designed for high-voltage applications, DTA144TKAT146 can be utilized in audio amplifier designs that require high-voltage output stages.

  8. Are there any specific precautions to be taken when handling DTA144TKAT146?

    • Standard ESD precautions should be followed, and the device should be handled with care to avoid damage to the sensitive semiconductor components.

  9. What are the typical failure modes of DTA144TKAT146?

    • Common failure modes include thermal overstress, overvoltage breakdown, and excessive current leading to junction damage.

  10. Where can I find detailed application notes and reference designs for using DTA144TKAT146 in technical solutions?

    • Application notes and reference designs can be found in the datasheet provided by the manufacturer, as well as in technical literature related to high-voltage BJT applications.