Microsemi Corporation
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SMAJ4469E3/TR13
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SMAJ4469E3/TR13

Product Overview

Category

SMAJ4469E3/TR13 belongs to the category of TVS (Transient Voltage Suppressor) diodes.

Use

It is used for protecting sensitive electronic components from voltage transients induced by lightning, electrostatic discharge (ESD), and other transient voltage events.

Characteristics

  • Fast response time
  • Low clamping voltage
  • High surge current capability
  • RoHS compliant

Package

The SMAJ4469E3/TR13 is available in a DO-214AC (SMA) package.

Essence

The essence of SMAJ4469E3/TR13 lies in its ability to provide reliable overvoltage protection for electronic circuits.

Packaging/Quantity

The product is typically packaged in reels with a quantity of 3000 units per reel.

Specifications

  • Standoff Voltage: 43.6V
  • Breakdown Voltage: 48.4V
  • Maximum Clamping Voltage: 70.1V
  • Peak Pulse Current: 30A
  • Operating Temperature Range: -55°C to +150°C

Detailed Pin Configuration

The SMAJ4469E3/TR13 has two pins, anode, and cathode, which are denoted by the "+" and "-" symbols, respectively.

Functional Features

  • Provides transient voltage suppression
  • Protects against voltage spikes
  • Fast reaction to transient events

Advantages

  • High surge current capability
  • Low clamping voltage
  • RoHS compliant

Disadvantages

  • Limited to specific voltage ranges
  • May require additional circuitry for comprehensive protection

Working Principles

When a transient voltage event occurs, the TVS diode conducts and clamps the voltage to a safe level, diverting the excess energy away from the protected circuit.

Detailed Application Field Plans

SMAJ4469E3/TR13 is commonly used in: - Telecommunication equipment - Industrial control systems - Automotive electronics - Power supplies - Consumer electronics

Detailed and Complete Alternative Models

Some alternative models to SMAJ4469E3/TR13 include: - P6KE39CA - 1.5KE47A - SMBJ45CA

In conclusion, SMAJ4469E3/TR13 is a vital component in safeguarding electronic devices from transient voltage events, offering fast response times and high surge current capabilities. Its application spans across various industries, providing essential protection for sensitive electronic circuits.

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací SMAJ4469E3/TR13 v technických řešeních

  1. What is SMAJ4469E3/TR13?

    • SMAJ4469E3/TR13 is a surface mount transient voltage suppressor diode designed to protect sensitive electronics from voltage spikes and transients.

  2. What are the key features of SMAJ4469E3/TR13?

    • The key features include a peak pulse power of 400W, low clamping voltage, fast response time, and compatibility with automated placement equipment.

  3. In what applications can SMAJ4469E3/TR13 be used?

    • SMAJ4469E3/TR13 is commonly used in applications such as telecommunications equipment, industrial control systems, automotive electronics, and consumer electronics.

  4. How does SMAJ4469E3/TR13 provide protection?

    • It provides protection by diverting excessive current away from sensitive components when a transient event occurs, thereby limiting the voltage across the protected device.

  5. What is the operating temperature range of SMAJ4469E3/TR13?

    • The operating temperature range is typically -55°C to +150°C, making it suitable for a wide range of environments.

  6. What is the recommended PCB layout for SMAJ4469E3/TR13?

    • A recommended layout includes short traces between the diode and the protected circuit, as well as a low-inductance path to ground.

  7. How should SMAJ4469E3/TR13 be handled during assembly?

    • It should be handled using appropriate ESD precautions and mounted using industry-standard reflow or wave soldering processes.

  8. What are the potential failure modes of SMAJ4469E3/TR13?

    • Potential failure modes include thermal runaway under sustained overvoltage conditions and mechanical damage during handling and assembly.

  9. Can SMAJ4469E3/TR13 be used in high-frequency applications?

    • Yes, it has a fast response time and low capacitance, making it suitable for high-frequency applications.

  10. Are there any reliability tests or certifications for SMAJ4469E3/TR13?

    • It may undergo reliability testing such as temperature cycling, humidity testing, and surge testing, and it may be certified to industry standards such as AEC-Q101 for automotive applications.