Vishay Semiconductor Diodes Division
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SMB8J40CA-E3/52
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SMB8J40CA-E3/52

Product Overview

  • Category: Diode
  • Use: Voltage regulation and protection
  • Characteristics: High surge capability, low forward voltage drop
  • Package: DO-214AA (SMB), 2-pin
  • Essence: Silicon diode
  • Packaging/Quantity: Tape & Reel, 3000 units per reel

Specifications

  • Voltage - Reverse Standoff (Typ): 40V
  • Voltage - Breakdown (Min): 44.4V
  • Voltage - Clamping (Max) @ Ipp: 64.5V
  • Current - Peak Pulse (10/1000µs): 8.3A
  • Power - Peak Pulse: 600W
  • Type: Zener

Detailed Pin Configuration

The SMB8J40CA-E3/52 has a simple 2-pin configuration with the anode and cathode terminals.

Functional Features

  • Surge Capability: Able to handle high surge currents effectively.
  • Low Forward Voltage Drop: Ensures minimal power loss during operation.

Advantages and Disadvantages

  • Advantages:
    • High surge capability makes it suitable for demanding applications.
    • Low forward voltage drop reduces power dissipation.
  • Disadvantages:
    • Relatively higher cost compared to standard diodes.
    • Sensitive to reverse voltage polarity.

Working Principles

The SMB8J40CA-E3/52 operates based on the principle of utilizing its zener characteristics to regulate voltage and protect circuits from transient overvoltage conditions.

Detailed Application Field Plans

This diode is commonly used in various electronic systems such as power supplies, automotive electronics, and industrial equipment where voltage regulation and transient protection are critical.

Detailed and Complete Alternative Models

  • SMB8J36CA-E3/52: Lower reverse standoff voltage at 36V.
  • SMB8J48CA-E3/52: Higher reverse standoff voltage at 48V.
  • SMB8J58CA-E3/52: Higher peak pulse power at 800W.

In conclusion, the SMB8J40CA-E3/52 diode is a reliable component with high surge capability and low forward voltage drop, making it suitable for applications requiring robust transient protection and voltage regulation.

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací SMB8J40CA-E3/52 v technických řešeních

  1. What is the SMB8J40CA-E3/52?

    • The SMB8J40CA-E3/52 is a transient voltage suppressor diode designed to protect sensitive electronic components from voltage spikes and transients.

  2. What is the maximum peak pulse power of the SMB8J40CA-E3/52?

    • The maximum peak pulse power of the SMB8J40CA-E3/52 is 800 watts.

  3. What is the breakdown voltage of the SMB8J40CA-E3/52?

    • The breakdown voltage of the SMB8J40CA-E3/52 is 40 volts.

  4. What are the typical applications for the SMB8J40CA-E3/52?

    • The SMB8J40CA-E3/52 is commonly used in surge protection for telecommunications equipment, industrial control systems, and automotive electronics.

  5. What is the operating temperature range of the SMB8J40CA-E3/52?

    • The SMB8J40CA-E3/52 has an operating temperature range of -55°C to +150°C.

  6. What is the package type of the SMB8J40CA-E3/52?

    • The SMB8J40CA-E3/52 is available in a DO-214AA (SMB) package.

  7. What is the clamping voltage of the SMB8J40CA-E3/52?

    • The clamping voltage of the SMB8J40CA-E3/52 is 64.5 volts at 10A.

  8. Is the SMB8J40CA-E3/52 RoHS compliant?

    • Yes, the SMB8J40CA-E3/52 is RoHS compliant, making it suitable for use in environmentally sensitive applications.

  9. Can the SMB8J40CA-E3/52 be used for ESD protection?

    • Yes, the SMB8J40CA-E3/52 can be used for electrostatic discharge (ESD) protection in various electronic circuits.

  10. What are the key features of the SMB8J40CA-E3/52?

    • The key features of the SMB8J40CA-E3/52 include low incremental surge resistance, fast response time, and high reliability for transient voltage suppression.