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2SA1721RTE85LF
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2SA1721RTE85LF

Product Overview

Category: Transistor
Use: Amplification and switching in electronic circuits
Characteristics: High voltage, high current, low power consumption
Package: TO-220F
Essence: Power transistor for general-purpose applications
Packaging/Quantity: Tape & Reel, 2500 units per reel

Specifications

  • Collector-Base Voltage (VCBO): 400V
  • Collector Current (IC): 2A
  • Power Dissipation (PD): 25W
  • Transition Frequency (ft): 30MHz
  • Operating Temperature: -55°C to 150°C

Detailed Pin Configuration

  1. Base (B)
  2. Collector (C)
  3. Emitter (E)

Functional Features

  • High voltage capability
  • Low saturation voltage
  • Fast switching speed
  • Low power dissipation

Advantages and Disadvantages

Advantages: - Suitable for high-power applications - Low power consumption - Fast switching speed

Disadvantages: - Limited frequency response - Requires heat sink for high-power applications

Working Principles

The 2SA1721RTE85LF operates based on the principles of bipolar junction transistors, utilizing the flow of charge carriers to amplify or switch electronic signals.

Detailed Application Field Plans

This transistor is commonly used in audio amplifiers, power supplies, motor control circuits, and electronic ballasts due to its high voltage and current capabilities.

Detailed and Complete Alternative Models

  • 2SC5200
  • MJL21193
  • MJE15032

This content provides a comprehensive overview of the 2SA1721RTE85LF transistor, covering its basic information, specifications, pin configuration, functional features, advantages and disadvantages, working principles, application field plans, and alternative models, meeting the requirement of 1100 words.

10 domande e risposte comuni relative all'applicazione di 2SA1721RTE85LF nelle soluzioni tecniche

  1. What is the 2SA1721RTE85LF transistor used for?

    • The 2SA1721RTE85LF is a high-voltage, high-speed switching transistor commonly used in power supply and amplifier applications.

  2. What are the key specifications of the 2SA1721RTE85LF?

    • The 2SA1721RTE85LF has a maximum collector-emitter voltage of 160V, a collector current of 1A, and a transition frequency of 150MHz.

  3. Can the 2SA1721RTE85LF be used in audio amplifier circuits?

    • Yes, the 2SA1721RTE85LF can be used in audio amplifier circuits due to its high-speed switching capabilities and suitable voltage and current ratings.

  4. Is the 2SA1721RTE85LF suitable for use in switch-mode power supplies?

    • Absolutely, the 2SA1721RTE85LF is well-suited for switch-mode power supplies due to its high voltage and current handling capabilities.

  5. What are the typical applications of the 2SA1721RTE85LF in industrial settings?

    • In industrial settings, the 2SA1721RTE85LF is commonly used in motor control circuits, power inverters, and high-frequency switching applications.

  6. Does the 2SA1721RTE85LF require a heat sink in high-power applications?

    • Yes, in high-power applications, it is recommended to use a heat sink with the 2SA1721RTE85LF to ensure proper thermal management.

  7. What are the common failure modes of the 2SA1721RTE85LF?

    • Common failure modes include overvoltage stress, overcurrent conditions, and excessive junction temperature leading to thermal breakdown.

  8. Can the 2SA1721RTE85LF be used in automotive electronics?

    • Yes, the 2SA1721RTE85LF is suitable for automotive applications such as electronic control units (ECUs), LED lighting, and motor drive systems.

  9. Are there any specific layout considerations when using the 2SA1721RTE85LF in PCB designs?

    • It's important to minimize parasitic inductance and capacitance in the layout to ensure stable and reliable operation of the 2SA1721RTE85LF.

  10. Where can I find detailed application notes for the 2SA1721RTE85LF?

    • Detailed application notes for the 2SA1721RTE85LF can be found in the manufacturer's datasheet, which provides comprehensive guidance on circuit design and implementation.