Microsemi Corporation
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SMAJ20AE3/TR13
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SMAJ20AE3/TR13

Product Overview

Category: Diode
Use: Voltage clamping
Characteristics: Transient voltage suppressor diode
Package: DO-214AC (SMA)
Essence: Protects sensitive electronic devices from voltage spikes
Packaging/Quantity: Tape & Reel, 3000 units per reel

Specifications

  • Part Number: SMAJ20AE3/TR13
  • Voltage - Reverse Standoff (Typ): 20V
  • Voltage - Breakdown (Min): 22.2V
  • Voltage - Clamping (Max) @ Ipp: 32.4V
  • Current - Peak Pulse (10/1000µs): 34.4A
  • Power - Peak Pulse: 400W
  • Type: Zener

Detailed Pin Configuration

The SMAJ20AE3/TR13 diode has two pins and is housed in a DO-214AC package. The pin configuration is as follows: - Pin 1: Anode - Pin 2: Cathode

Functional Features

  • Provides transient voltage suppression for sensitive electronics
  • Fast response time to clamp transient voltages
  • Low clamping voltage

Advantages and Disadvantages

Advantages: - Protects sensitive electronic components from voltage spikes - Fast response time - Compact size

Disadvantages: - Limited power dissipation capability - May require additional protection for high-energy transients

Working Principles

The SMAJ20AE3/TR13 operates by diverting excess current away from sensitive electronic components when a transient voltage spike occurs. It acts as a voltage clamp, limiting the voltage across the protected circuit.

Detailed Application Field Plans

The SMAJ20AE3/TR13 is commonly used in various applications, including: - Power supplies - Communication equipment - Automotive electronics - Industrial control systems - Consumer electronics

Detailed and Complete Alternative Models

Some alternative models to SMAJ20AE3/TR13 include: - P6KE18CA - 1.5KE15CA - SMBJ20CA - SMCJ20A

In conclusion, the SMAJ20AE3/TR13 is a vital component in protecting sensitive electronic devices from voltage spikes. Its fast response time and compact size make it suitable for a wide range of applications, although it may require additional protection for high-energy transients.

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  1. What is SMAJ20AE3/TR13?

    • SMAJ20AE3/TR13 is a surface mount transient voltage suppressor diode designed to protect sensitive electronics from voltage transients.

  2. What is the maximum peak pulse power of SMAJ20AE3/TR13?

    • The maximum peak pulse power of SMAJ20AE3/TR13 is 400 watts.

  3. What is the breakdown voltage of SMAJ20AE3/TR13?

    • The breakdown voltage of SMAJ20AE3/TR13 is 20 volts.

  4. What are the typical applications of SMAJ20AE3/TR13?

    • SMAJ20AE3/TR13 is commonly used in applications such as telecommunications equipment, industrial controls, and consumer electronics to protect against voltage surges.

  5. What is the operating temperature range of SMAJ20AE3/TR13?

    • The operating temperature range of SMAJ20AE3/TR13 is -55°C to +150°C.

  6. What is the response time of SMAJ20AE3/TR13?

    • The response time of SMAJ20AE3/TR13 is very fast, typically less than 1 picosecond.

  7. How does SMAJ20AE3/TR13 provide protection against voltage transients?

    • SMAJ20AE3/TR13 clamps the voltage to a safe level by diverting excess current away from the protected device.

  8. Is SMAJ20AE3/TR13 RoHS compliant?

    • Yes, SMAJ20AE3/TR13 is RoHS compliant, making it suitable for use in environmentally sensitive applications.

  9. What is the packaging type of SMAJ20AE3/TR13?

    • SMAJ20AE3/TR13 is available in a surface mount package, making it suitable for automated assembly processes.

  10. What are the key specifications to consider when selecting SMAJ20AE3/TR13 for a technical solution?

    • When selecting SMAJ20AE3/TR13, it's important to consider its breakdown voltage, peak pulse power, response time, and operating temperature range to ensure it meets the requirements of the application.