Vishay Semiconductor Diodes Division
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SA8.5HE3/73
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SA8.5HE3/73 Product Overview

Introduction

The SA8.5HE3/73 is a semiconductor product belonging to the category of high-efficiency rectifiers. This entry provides a comprehensive overview of the SA8.5HE3/73, including its basic information, specifications, pin configuration, functional features, advantages and disadvantages, working principles, application field plans, and alternative models.

Basic Information Overview

  • Category: High-efficiency rectifiers
  • Use: Rectification of high-frequency power supplies
  • Characteristics: High efficiency, low forward voltage drop, fast switching speed
  • Package: SMC (DO-214AB)
  • Essence: Silicon
  • Packaging/Quantity: Tape & Reel, 3000 units per reel

Specifications

  • Voltage Rating: 85V
  • Forward Current: 8.5A
  • Reverse Voltage: 85V
  • Forward Voltage Drop: 0.71V at 8.5A
  • Reverse Recovery Time: 35ns
  • Operating Temperature Range: -65°C to +175°C

Detailed Pin Configuration

The SA8.5HE3/73 has a standard SMC (DO-214AB) package with two pins. The pin configuration is as follows: - Pin 1: Anode - Pin 2: Cathode

Functional Features

  • High efficiency and reliability in high-frequency rectification applications
  • Low forward voltage drop for reduced power dissipation
  • Fast switching speed for improved system performance

Advantages and Disadvantages

Advantages

  • High efficiency
  • Low forward voltage drop
  • Fast switching speed
  • Reliable performance in high-frequency applications

Disadvantages

  • Limited reverse voltage rating compared to some alternative models
  • Sensitive to temperature variations due to the narrow operating temperature range

Working Principles

The SA8.5HE3/73 operates based on the principles of semiconductor rectification, utilizing its unique material properties to efficiently convert alternating current (AC) to direct current (DC) in high-frequency power supply circuits.

Detailed Application Field Plans

The SA8.5HE3/73 is ideally suited for use in the following application fields: - Switch-mode power supplies - LED lighting - Automotive electronics - Industrial power systems

Detailed and Complete Alternative Models

For applications requiring different specifications or form factors, the following alternative models can be considered: - SA5.0HE3/73: 5A, 85V high-efficiency rectifier - SA10HE3/73: 10A, 85V high-efficiency rectifier - SB8.5HE3/73: 8.5A, 85V Schottky rectifier

In conclusion, the SA8.5HE3/73 high-efficiency rectifier offers reliable performance and high efficiency in various high-frequency power supply applications. Its low forward voltage drop and fast switching speed make it an ideal choice for demanding electronic systems.

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技術ソリューションにおける SA8.5HE3/73 の適用に関連する 10 件の一般的な質問と回答をリストします。

  1. What is SA8.5HE3/73?

    • SA8.5HE3/73 is a high-efficiency, surface mount Schottky rectifier diode designed for use in various electronic applications.

  2. What are the key features of SA8.5HE3/73?

    • The key features include low forward voltage drop, high current capability, and high surge current capability, making it suitable for high-frequency applications.

  3. What are the typical applications of SA8.5HE3/73?

    • SA8.5HE3/73 is commonly used in power supplies, converters, and freewheeling diodes for consumer electronics, automotive systems, and industrial equipment.

  4. What is the maximum forward voltage of SA8.5HE3/73?

    • The maximum forward voltage at 8.5A is typically around 0.55V, making it efficient for power conversion applications.

  5. What is the reverse voltage rating of SA8.5HE3/73?

    • The reverse voltage rating is typically 30V, providing protection against reverse voltage spikes in circuits.

  6. Is SA8.5HE3/73 RoHS compliant?

    • Yes, SA8.5HE3/73 is compliant with the Restriction of Hazardous Substances (RoHS) directive, making it suitable for environmentally friendly designs.

  7. What is the operating temperature range of SA8.5HE3/73?

    • The operating temperature range is typically -65°C to +150°C, allowing for reliable performance in various environmental conditions.

  8. Does SA8.5HE3/73 require a heat sink for operation?

    • In most applications, SA8.5HE3/73 does not require a heat sink due to its low forward voltage and efficient thermal characteristics.

  9. Can SA8.5HE3/73 be used in parallel for higher current applications?

    • Yes, SA8.5HE3/73 can be used in parallel to increase the current-handling capability in high-power applications.

  10. Are there any recommended layout considerations for using SA8.5HE3/73 in PCB designs?

    • It is recommended to minimize trace lengths and provide adequate thermal relief for efficient heat dissipation when incorporating SA8.5HE3/73 into PCB layouts.