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SMPZ3934B-E3/85A
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SMPZ3934B-E3/85A

Product Overview

  • Belongs to: Electronic Components
  • Category: Diode
  • Use: Rectification and voltage regulation
  • Characteristics: High efficiency, low forward voltage drop
  • Package: SOD-123
  • Essence: Silicon rectifier diode
  • Packaging/Quantity: Tape & Reel, 3000 units per reel

Specifications

  • Part Number: SMPZ3934B-E3/85A
  • Type: Schottky Barrier Diode
  • Voltage - DC Reverse (Vr) (Max): 40V
  • Current - Average Rectified (Io): 3A
  • Voltage - Forward (Vf) (Max) @ If: 450mV @ 3A
  • Speed: Fast recovery time

Detailed Pin Configuration

The SMPZ3934B-E3/85A is a SOD-123 packaged diode with two pins. The cathode is connected to the marked side of the package.

Functional Features

  • High current capability
  • Low power loss
  • High efficiency
  • Guard ring for enhanced ruggedness and long term reliability

Advantages

  • Low forward voltage drop
  • Fast switching
  • Suitable for high frequency applications
  • Compact size

Disadvantages

  • Higher cost compared to standard diodes
  • Sensitive to reverse voltage spikes

Working Principles

The SMPZ3934B-E3/85A operates based on the Schottky barrier principle, where a metal-semiconductor junction is formed, resulting in lower forward voltage drop and faster switching compared to conventional diodes.

Detailed Application Field Plans

This diode is commonly used in: - Switching power supplies - DC-DC converters - Reverse polarity protection circuits - Low voltage rectifiers

Detailed and Complete Alternative Models

  • 1N5819: General-purpose Schottky diode
  • SS34: Surface mount Schottky diode
  • SB340: Low forward voltage drop Schottky diode

In conclusion, the SMPZ3934B-E3/85A is a high-performance Schottky diode suitable for various electronic applications requiring efficient rectification and voltage regulation.

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Listen Sie 10 häufige Fragen und Antworten im Zusammenhang mit der Anwendung von SMPZ3934B-E3/85A in technischen Lösungen auf

  1. What is the operating temperature range of SMPZ3934B-E3/85A?

    • The operating temperature range of SMPZ3934B-E3/85A is -55°C to +150°C.

  2. What is the maximum power dissipation of SMPZ3934B-E3/85A?

    • The maximum power dissipation of SMPZ3934B-E3/85A is 1.25W.

  3. What is the typical forward voltage drop of SMPZ3934B-E3/85A?

    • The typical forward voltage drop of SMPZ3934B-E3/85A is 0.72V at 1A.

  4. What is the maximum reverse leakage current of SMPZ3934B-E3/85A?

    • The maximum reverse leakage current of SMPZ3934B-E3/85A is 5µA at 40V.

  5. Does SMPZ3934B-E3/85A have a low profile package?

    • Yes, SMPZ3934B-E3/85A comes in a low profile DO-214AC (SMA) package.

  6. Is SMPZ3934B-E3/85A suitable for high-speed switching applications?

    • Yes, SMPZ3934B-E3/85A is suitable for high-speed switching applications due to its fast reverse recovery time.

  7. What are the typical applications of SMPZ3934B-E3/85A?

    • SMPZ3934B-E3/85A is commonly used in power supplies, LED lighting, and automotive systems.

  8. Does SMPZ3934B-E3/85A have a high surge capability?

    • Yes, SMPZ3934B-E3/85A has a high surge capability of 40A.

  9. What is the maximum junction temperature of SMPZ3934B-E3/85A?

    • The maximum junction temperature of SMPZ3934B-E3/85A is 175°C.

  10. Is SMPZ3934B-E3/85A RoHS compliant?

    • Yes, SMPZ3934B-E3/85A is RoHS compliant, making it environmentally friendly.