Rohm Semiconductor
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2SD2118TLQ
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2SD2118TLQ

Product Overview

Category

The 2SD2118TLQ 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 saturation voltage
  • Fast switching speed

Package

The 2SD2118TLQ is typically available in a TO-220F package.

Essence

This transistor is essential for power control and amplification in various electronic devices.

Packaging/Quantity

It is usually packaged in reels or tubes, with quantities varying based on manufacturer specifications.

Specifications

  • Collector-Base Voltage (VCBO): 120V
  • Collector-Emitter Voltage (VCEO): 120V
  • Emitter-Base Voltage (VEBO): 5V
  • Collector Current (IC): 3A
  • Power Dissipation (PD): 25W
  • Transition Frequency (fT): 30MHz
  • Operating Temperature: -55°C to 150°C

Detailed Pin Configuration

The 2SD2118TLQ has three pins: 1. Collector (C) 2. Base (B) 3. Emitter (E)

Functional Features

  • High voltage capability allows for use in various power applications.
  • Low collector saturation voltage enables efficient switching operations.
  • Fast switching speed facilitates rapid response in electronic circuits.

Advantages

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

Disadvantages

  • May require heat sinking in high-power applications
  • Sensitivity to overvoltage conditions

Working Principles

The 2SD2118TLQ operates based on the principles of bipolar junction transistors, where the flow of current is controlled by the application of a small signal at the base terminal, resulting in amplified output at the collector terminal.

Detailed Application Field Plans

The 2SD2118TLQ is widely used in: - Audio amplifiers - Power supplies - Motor control circuits - Switching regulators

Detailed and Complete Alternative Models

Some alternative models to the 2SD2118TLQ include: - 2N3055 - TIP31C - MJ15003

In conclusion, the 2SD2118TLQ is a versatile power transistor with high voltage capability, low saturation voltage, and fast switching speed, making it suitable for a wide range of electronic applications.

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací 2SD2118TLQ v technických řešeních

  1. What is the 2SD2118TLQ transistor used for?

    • The 2SD2118TLQ is a high-voltage, high-speed switching transistor commonly used in power supply and electronic control applications.

  2. What are the key features of the 2SD2118TLQ transistor?

    • The 2SD2118TLQ features a high breakdown voltage, fast switching speed, and low saturation voltage, making it suitable for various power management applications.

  3. What are the typical applications of the 2SD2118TLQ transistor?

    • Typical applications include switch-mode power supplies, motor control circuits, and electronic ballasts.

  4. What is the maximum collector-emitter voltage rating of the 2SD2118TLQ transistor?

    • The maximum collector-emitter voltage rating is typically around 700V.

  5. What is the maximum collector current of the 2SD2118TLQ transistor?

    • The maximum collector current is typically around 5A.

  6. What is the typical gain (hFE) of the 2SD2118TLQ transistor?

    • The typical gain is around 40 to 320.

  7. What are the recommended operating conditions for the 2SD2118TLQ transistor?

    • It is recommended to operate the transistor within a specified temperature range and under appropriate load conditions to ensure reliable performance.

  8. What are the thermal characteristics of the 2SD2118TLQ transistor?

    • The thermal resistance and junction-to-case thermal resistance are important parameters to consider for proper heat dissipation in the application.

  9. How can the 2SD2118TLQ transistor be protected from overcurrent and overvoltage conditions?

    • Implementing appropriate current and voltage protection circuits, such as fuses and clamping diodes, can help protect the transistor from harmful conditions.

  10. Where can I find detailed specifications and application notes for the 2SD2118TLQ transistor?

    • Detailed specifications and application notes can be found in the datasheet provided by the manufacturer or on their official website.