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UNR421900A
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UNR421900A

Product Overview

  • Belongs to: Semiconductor Devices
  • Category: Transistor
  • Use: Amplification and switching of electronic signals
  • Characteristics: High voltage, high current capability
  • Package: TO-220AB
  • Essence: Power transistor for general-purpose applications
  • Packaging/Quantity: Available in reels or tubes, quantity varies by manufacturer

Specifications

  • Type: NPN
  • Voltage Rating: 400V
  • Current Rating: 10A
  • Power Dissipation: 50W
  • Frequency: Up to 1MHz
  • Operating Temperature: -55°C to 150°C

Detailed Pin Configuration

  • Base (B): 1
  • Collector (C): 2
  • Emitter (E): 3

Functional Features

  • High voltage capability
  • Low saturation voltage
  • Fast switching speed
  • Excellent linearity

Advantages

  • Suitable for high-power applications
  • Wide operating temperature range
  • Reliable and durable

Disadvantages

  • Higher cost compared to low-power transistors
  • Requires proper heat sinking for high-power applications

Working Principles

The UNR421900A operates as a current-controlled switch, allowing it to amplify or switch electronic signals based on the input current at the base terminal.

Detailed Application Field Plans

  • Power supplies
  • Motor control
  • Audio amplifiers
  • Lighting systems
  • Industrial automation

Detailed and Complete Alternative Models

  • UNR421800A
  • UNR421700A
  • UNR422000A

This comprehensive entry provides an in-depth understanding of the UNR421900A power transistor, including its specifications, functional features, advantages, disadvantages, working principles, application field plans, and alternative models.

Enumere 10 preguntas y respuestas comunes relacionadas con la aplicación de UNR421900A en soluciones técnicas

  1. What is UNR421900A?

    • UNR421900A is a high-performance NPN silicon transistor designed for various technical applications.

  2. What are the key features of UNR421900A?

    • The key features include high current capability, low saturation voltage, and high transition frequency.

  3. In what technical solutions can UNR421900A be used?

    • UNR421900A can be used in power supply circuits, audio amplifiers, motor control systems, and switching applications.

  4. What is the maximum operating voltage for UNR421900A?

    • The maximum operating voltage for UNR421900A is typically around 120V.

  5. What is the typical collector current rating for UNR421900A?

    • The typical collector current rating for UNR421900A is around 1.5A.

  6. Does UNR421900A require any specific heat dissipation measures?

    • Yes, UNR421900A may require proper heat sinking or thermal management in high-power applications to ensure optimal performance.

  7. Is UNR421900A suitable for high-frequency applications?

    • Yes, UNR421900A has a high transition frequency, making it suitable for high-frequency applications such as RF amplifiers.

  8. Can UNR421900A be used in automotive electronics?

    • Yes, UNR421900A is suitable for automotive electronic systems such as engine control units and power management modules.

  9. Are there any recommended alternative transistors to UNR421900A?

    • Some alternative transistors with similar characteristics include BC337, 2N2222, and 2N3904.

  10. Where can I find detailed technical specifications for UNR421900A?

    • Detailed technical specifications for UNR421900A can be found in the manufacturer's datasheet or product documentation.