Microsemi Corporation
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SMAJ4494CE3/TR13
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SMAJ4494CE3/TR13

Product Overview

  • Category: Diode
  • Use: Voltage clamping in electronic circuits
  • Characteristics: Fast response time, low leakage current, high surge capability
  • Package: DO-214AC (SMA), 2-Pin
  • Essence: Protects sensitive electronic components from voltage spikes
  • Packaging/Quantity: Tape & Reel, 3000 units per reel

Specifications

  • Peak Pulse Power: 400W
  • Breakdown Voltage: 494V
  • Operating Temperature Range: -55°C to +150°C
  • Forward Voltage Drop: 0.9V at 1A

Detailed Pin Configuration

  • Pin 1: Anode
  • Pin 2: Cathode

Functional Features

  • Provides transient voltage suppression
  • Fast response to overvoltage conditions
  • Low clamping voltage

Advantages and Disadvantages

  • Advantages:
    • Effective protection against voltage transients
    • Fast reaction time
    • Compact size
  • Disadvantages:
    • Limited power dissipation capability
    • Requires careful placement in circuit design

Working Principles

The SMAJ4494CE3/TR13 operates by diverting excess voltage away from sensitive components when a transient voltage spike occurs. It rapidly clamps the voltage to a safe level, protecting the downstream circuitry.

Detailed Application Field Plans

This diode is commonly used in: - Power supplies - Communication equipment - Automotive electronics - Industrial control systems

Detailed and Complete Alternative Models

  • P6KE440CA
  • 1.5KE510CA
  • SMBJ440CA

Note: The above information provides a comprehensive overview of the SMAJ4494CE3/TR13 diode, including its specifications, features, applications, and alternatives.

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací SMAJ4494CE3/TR13 v technických řešeních

  1. What is SMAJ4494CE3/TR13?

    • SMAJ4494CE3/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 SMAJ4494CE3/TR13?

    • The maximum peak pulse power of SMAJ4494CE3/TR13 is 400 watts.

  3. What is the breakdown voltage of SMAJ4494CE3/TR13?

    • The breakdown voltage of SMAJ4494CE3/TR13 is 494 volts.

  4. What are the typical applications of SMAJ4494CE3/TR13?

    • SMAJ4494CE3/TR13 is commonly used in applications such as telecommunications equipment, industrial control systems, and automotive electronics for transient voltage suppression.

  5. What is the operating temperature range of SMAJ4494CE3/TR13?

    • The operating temperature range of SMAJ4494CE3/TR13 is -55°C to +150°C.

  6. What is the response time of SMAJ4494CE3/TR13?

    • The response time of SMAJ4494CE3/TR13 is very fast, typically responding within nanoseconds to clamp transient voltages.

  7. How should SMAJ4494CE3/TR13 be mounted on a PCB?

    • SMAJ4494CE3/TR13 should be mounted using appropriate soldering techniques and following the recommended PCB layout guidelines provided in the datasheet.

  8. What are the packaging options available for SMAJ4494CE3/TR13?

    • SMAJ4494CE3/TR13 is available in various surface mount packages such as DO-214AC (SMA) and DO-214AB (SMC).

  9. What are the key specifications to consider when selecting SMAJ4494CE3/TR13 for a specific application?

    • Key specifications to consider include breakdown voltage, peak pulse power, clamping voltage, and operating temperature range.

  10. Are there any reliability tests or certifications for SMAJ4494CE3/TR13?

    • SMAJ4494CE3/TR13 may have undergone reliability testing and could be certified to meet industry standards such as AEC-Q101 for automotive applications. Always refer to the latest datasheet for specific details.