Microsemi Corporation
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SMAJ78E3/TR13
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SMAJ78E3/TR13

Product Overview

  • Belongs to: Diode
  • Category: Electronic component
  • Use: Voltage regulation and protection
  • Characteristics: Small size, high reliability, low forward voltage drop
  • Package: DO-214AC
  • Essence: Provides transient voltage suppression
  • Packaging/Quantity: Tape & Reel, 3000 units per reel

Specifications

  • Voltage - Reverse Standoff (Typ): 78V
  • Voltage - Breakdown (Min): 86.7V
  • Clamping Voltage (Max) @ Ipp: 126V
  • Current - Peak Pulse (10/1000µs): 5.8A
  • Power - Peak Pulse: 400W
  • Type: Zener

Detailed Pin Configuration

The SMAJ78E3/TR13 diode has two pins in a standard DO-214AC package.

Functional Features

  • Provides protection against transient voltage events
  • Low clamping voltage
  • Fast response time
  • High surge capability

Advantages and Disadvantages

Advantages

  • Small form factor
  • High reliability
  • Low forward voltage drop
  • Excellent clamping capability

Disadvantages

  • Limited power dissipation capability
  • May require additional heat sinking in high-power applications

Working Principles

The SMAJ78E3/TR13 operates by diverting excess current away from sensitive components when a transient voltage event occurs. It achieves this by rapidly switching into a low-impedance state, effectively shunting the excess energy to ground.

Detailed Application Field Plans

The SMAJ78E3/TR13 is commonly used in various electronic systems such as: - Power supplies - Communication equipment - Automotive electronics - Industrial control systems - Consumer electronics

Detailed and Complete Alternative Models

Some alternative models to the SMAJ78E3/TR13 include: - P6SMB78CA - 1.5KE82CA - SMBJ78CA - SMCJ78CA

In conclusion, the SMAJ78E3/TR13 diode is a reliable and compact solution for transient voltage suppression in a wide range of electronic applications.

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10个与SMAJ78E3/TR13在技术解决方案中的应用相关的常见问题及解答

  1. What is SMAJ78E3/TR13?

    • SMAJ78E3/TR13 is a surface mount transient voltage suppressor diode designed to protect electronic circuits from overvoltage transients.

  2. What is the maximum peak pulse power of SMAJ78E3/TR13?

    • The maximum peak pulse power of SMAJ78E3/TR13 is 400 watts.

  3. What is the breakdown voltage of SMAJ78E3/TR13?

    • The breakdown voltage of SMAJ78E3/TR13 is 78 volts.

  4. What are the typical applications of SMAJ78E3/TR13?

    • SMAJ78E3/TR13 is commonly used in various technical solutions such as power supplies, telecommunications equipment, and automotive electronics to protect against voltage surges.

  5. What is the operating temperature range of SMAJ78E3/TR13?

    • The operating temperature range of SMAJ78E3/TR13 is typically -55°C to 150°C.

  6. How does SMAJ78E3/TR13 provide overvoltage protection?

    • SMAJ78E3/TR13 clamps the voltage across the protected circuit when it exceeds the breakdown voltage, diverting excess current away from sensitive components.

  7. Is SMAJ78E3/TR13 RoHS compliant?

    • Yes, SMAJ78E3/TR13 is RoHS compliant, making it suitable for use in environmentally conscious designs.

  8. What is the package type of SMAJ78E3/TR13?

    • SMAJ78E3/TR13 is available in a surface mount DO-214AC (SMA) package.

  9. What are the key features of SMAJ78E3/TR13?

    • Some key features of SMAJ78E3/TR13 include low leakage current, fast response time, and high surge capability.

  10. Can SMAJ78E3/TR13 be used for ESD protection?

    • Yes, SMAJ78E3/TR13 can also be used for electrostatic discharge (ESD) protection in sensitive electronic circuits.