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SMPC8.5A-M3/87A
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SMPC8.5A-M3/87A

Introduction

The SMPC8.5A-M3/87A is a semiconductor product belonging to the category of Schottky diodes. This entry provides an overview of its basic information, specifications, detailed pin configuration, functional features, advantages and disadvantages, working principles, detailed application field plans, and alternative models.

Basic Information Overview

  • Category: Schottky diodes
  • Use: Rectification and voltage clamping in various electronic circuits
  • Characteristics: High current capability, low forward voltage drop, fast switching speed
  • Package: SMC (DO-214AB)
  • Essence: Utilizes metal-semiconductor junctions for rectification
  • Packaging/Quantity: Available in reels or bulk packaging

Specifications

  • Voltage Rating: 8.5V
  • Current Rating: 8A
  • Forward Voltage Drop: Typically 0.55V at 4A
  • Reverse Leakage Current: Maximum 500µA at 8.5V
  • Operating Temperature Range: -65°C to +150°C
  • Storage Temperature Range: -65°C to +175°C

Detailed Pin Configuration

The SMPC8.5A-M3/87A typically has two pins, with the cathode connected to the semiconductor material and the anode connected to the metal contact.

Functional Features

  • Efficient rectification of AC to DC due to low forward voltage drop
  • Fast switching speed enables high-frequency applications
  • Low reverse leakage current ensures minimal power loss in reverse bias

Advantages and Disadvantages

Advantages

  • High current capability allows for use in power electronics applications
  • Low forward voltage drop reduces power dissipation
  • Fast switching speed suits high-frequency circuits

Disadvantages

  • Limited voltage rating compared to other diode types
  • Susceptible to thermal runaway at high currents

Working Principles

The SMPC8.5A-M3/87A operates based on the Schottky effect, where a metal-semiconductor junction forms a barrier that allows current flow in one direction while minimizing voltage drop.

Detailed Application Field Plans

This diode is commonly used in: - Power supply units - Voltage clamping circuits - Switching power converters - Reverse polarity protection circuits

Detailed and Complete Alternative Models

  • SMPC10A-M3/87A: Higher voltage rating (10V) for similar applications
  • SS34-E3/57T: Lower current rating (3A) for less demanding applications
  • SB540-E3/54: Higher current rating (5A) for higher power applications

In conclusion, the SMPC8.5A-M3/87A Schottky diode offers efficient rectification and voltage clamping capabilities, making it suitable for various electronic circuits. Its high current capability, low forward voltage drop, and fast switching speed are advantageous, although it has limitations in terms of voltage rating and susceptibility to thermal runaway at high currents. Understanding its working principles and considering alternative models can aid in optimizing its use in different applications.

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  1. What is SMPC8.5A-M3/87A?

    • SMPC8.5A-M3/87A is a specific type of diode commonly used in power supply and voltage regulation applications.

  2. What are the key features of SMPC8.5A-M3/87A?

    • The key features include a low forward voltage drop, high surge capability, and a compact surface mount package.

  3. How does SMPC8.5A-M3/87A compare to other diodes in similar applications?

    • SMPC8.5A-M3/87A offers improved thermal performance and higher reliability compared to many other diodes.

  4. What are the typical applications for SMPC8.5A-M3/87A?

    • It is commonly used in DC-DC converters, reverse polarity protection circuits, and general purpose rectification.

  5. What are the operating temperature and voltage ranges for SMPC8.5A-M3/87A?

    • The operating temperature range is typically -65°C to +175°C, and the voltage range is up to 85V.

  6. What are the recommended mounting and soldering techniques for SMPC8.5A-M3/87A?

    • It is recommended to use a reflow soldering technique with a peak temperature of 260°C for 10 seconds.

  7. Are there any specific layout considerations when using SMPC8.5A-M3/87A in a circuit?

    • It is important to minimize the length of the traces connecting the diode to reduce parasitic inductance and ensure proper heat dissipation.

  8. What are the potential failure modes of SMPC8.5A-M3/87A and how can they be mitigated?

    • Common failure modes include thermal runaway and voltage spikes. Proper thermal management and transient voltage suppression techniques can help mitigate these risks.

  9. Can SMPC8.5A-M3/87A be used in automotive applications?

    • Yes, it is suitable for automotive electronics due to its high temperature range and robust construction.

  10. Where can I find detailed specifications and application notes for SMPC8.5A-M3/87A?

    • Detailed specifications and application notes can be found in the product datasheet provided by the manufacturer or distributor.