Vishay Semiconductor Diodes Division
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SA45A-E3/73
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SA45A-E3/73 Product Overview

Introduction

The SA45A-E3/73 is a diode belonging to the semiconductor product category. It is commonly used in electronic circuits for various applications due to its specific characteristics and performance.

Basic Information Overview

  • Category: Semiconductor Diode
  • Use: Rectification, voltage regulation, signal demodulation
  • Characteristics: High current capability, low forward voltage drop, fast switching speed
  • Package: DO-204AC (DO-15)
  • Essence: Silicon rectifier diode
  • Packaging/Quantity: Available in reels or bulk packaging, quantity varies by supplier

Specifications

  • Maximum Forward Voltage: 0.55V
  • Maximum Reverse Voltage: 45V
  • Maximum Continuous Forward Current: 4A
  • Repetitive Peak Reverse Voltage: 45V
  • Operating Temperature Range: -65°C to +175°C

Detailed Pin Configuration

The SA45A-E3/73 diode has two leads with the following pin configuration: 1. Anode (A) 2. Cathode (K)

Functional Features

  • Efficient rectification of AC to DC
  • Low forward voltage drop minimizes power loss
  • Fast switching speed enables high-frequency applications

Advantages and Disadvantages

Advantages

  • High current capability
  • Low forward voltage drop
  • Fast switching speed

Disadvantages

  • Limited reverse voltage tolerance
  • Sensitive to temperature variations

Working Principles

The SA45A-E3/73 operates based on the principle of semiconductor junction behavior. When forward-biased, it allows current flow with minimal voltage drop. In reverse bias, it blocks the current flow efficiently.

Detailed Application Field Plans

The SA45A-E3/73 diode finds extensive use in the following applications: - Power supplies - Voltage regulators - Signal demodulation circuits - Switching power converters - Overvoltage protection circuits

Detailed and Complete Alternative Models

  • 1N5822: Similar specifications and package
  • 1N5819: Lower forward voltage drop, lower current rating
  • 1N4007: Higher reverse voltage rating, lower current rating

In conclusion, the SA45A-E3/73 diode is a versatile semiconductor component with specific characteristics that make it suitable for various electronic applications. Its high current capability, low forward voltage drop, and fast switching speed contribute to its widespread usage in different circuit designs.

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10个与SA45A-E3/73在技术解决方案中的应用相关的常见问题及解答

  1. What is the SA45A-E3/73 component used for in technical solutions?

    • The SA45A-E3/73 is a diode rectifier commonly used for voltage regulation and power supply applications.

  2. What are the key specifications of the SA45A-E3/73?

    • The SA45A-E3/73 is a 45V, 500mW diode with a forward current of 1A and a forward voltage drop of 0.55V at 1A.

  3. How does the SA45A-E3/73 contribute to circuit protection?

    • The SA45A-E3/73 acts as a protective component by preventing reverse voltage and overvoltage conditions in circuits.

  4. Can the SA45A-E3/73 be used in low-power applications?

    • Yes, the SA45A-E3/73's 500mW power dissipation makes it suitable for low-power applications such as signal conditioning and sensor interfaces.

  5. What are the typical operating temperatures for the SA45A-E3/73?

    • The SA45A-E3/73 has an operating temperature range of -65°C to +175°C, making it suitable for a wide range of environments.

  6. Does the SA45A-E3/73 require any external components for proper operation?

    • In most cases, the SA45A-E3/73 can be used independently, but it may benefit from additional filtering or decoupling capacitors in certain applications.

  7. Is the SA45A-E3/73 suitable for high-frequency applications?

    • The SA45A-E3/73's fast switching characteristics make it suitable for moderate high-frequency applications, but it may not be ideal for very high-speed circuits.

  8. What are the common circuit configurations for integrating the SA45A-E3/73?

    • The SA45A-E3/73 is often used in simple series or shunt configurations to regulate voltage and protect downstream components.

  9. Are there any known reliability issues with the SA45A-E3/73?

    • The SA45A-E3/73 is a reliable component when operated within its specified parameters, but like all electronic devices, it should be used according to the manufacturer's guidelines.

  10. Where can I find detailed application notes and reference designs for the SA45A-E3/73?

    • Detailed application notes and reference designs for the SA45A-E3/73 can be found on the manufacturer's website or in their product datasheets and technical documents.