Microsemi Corporation
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SMAJ4472CE3/TR13
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SMAJ4472CE3/TR13

Product Overview

Category

SMAJ4472CE3/TR13 belongs to the category of transient voltage suppressor diodes.

Use

These diodes are used to protect sensitive electronic components from voltage spikes and transients.

Characteristics

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

Package

The SMAJ4472CE3/TR13 diodes are typically available in a DO-214AC (SMA) package.

Essence

The essence of these diodes lies in their ability to quickly divert excessive voltage away from sensitive components, thereby safeguarding them from damage.

Packaging/Quantity

They are usually packaged in reels or tape and reel, with quantities varying based on manufacturer specifications.

Specifications

  • Peak Power Dissipation: 400W
  • Breakdown Voltage: 72.7V
  • Operating Temperature Range: -55°C to +150°C
  • Reverse Standoff Voltage: 62.2V
  • Forward Voltage: 3.5V at 10A

Detailed Pin Configuration

The SMAJ4472CE3/TR13 diode has two pins, anode, and cathode, which are denoted by the "+" and "-" symbols, respectively.

Functional Features

  • Transient voltage suppression
  • Bidirectional clamping capability
  • Low leakage current

Advantages

  • Effective protection against voltage surges
  • Fast response time
  • Compact size

Disadvantages

  • Limited power dissipation capability
  • May require additional circuitry for comprehensive surge protection

Working Principles

When a voltage surge occurs, the diode conducts and diverts the excess energy away from the protected circuit, limiting the voltage across it.

Detailed Application Field Plans

  • Telecommunications equipment
  • Consumer electronics
  • Automotive electronics
  • Industrial control systems

Detailed and Complete Alternative Models

  • P6KE440CA
  • 1.5KE51CA
  • SMBJ58CA

In conclusion, SMAJ4472CE3/TR13 transient voltage suppressor diodes offer efficient protection against voltage transients and surges, making them essential components in various electronic applications.

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  1. What is SMAJ4472CE3/TR13?

    • SMAJ4472CE3/TR13 is a surface mount transient voltage suppressor diode designed to protect sensitive electronic components from voltage spikes and transients.

  2. What are the key features of SMAJ4472CE3/TR13?

    • The key features of SMAJ4472CE3/TR13 include a peak pulse power of 400W, low clamping voltage, fast response time, and compatibility with automated placement equipment.

  3. In what applications can SMAJ4472CE3/TR13 be used?

    • SMAJ4472CE3/TR13 can be used in various applications such as telecommunications equipment, industrial control systems, automotive electronics, and consumer electronics.

  4. How does SMAJ4472CE3/TR13 protect electronic circuits?

    • SMAJ4472CE3/TR13 protects electronic circuits by diverting excessive current away from sensitive components when voltage spikes or transients occur, thereby preventing damage.

  5. What is the operating temperature range of SMAJ4472CE3/TR13?

    • The operating temperature range of SMAJ4472CE3/TR13 is typically -55°C to +150°C, making it suitable for a wide range of environments.

  6. Is SMAJ4472CE3/TR13 RoHS compliant?

    • Yes, SMAJ4472CE3/TR13 is RoHS compliant, ensuring that it meets environmental standards for hazardous substance restrictions.

  7. Can SMAJ4472CE3/TR13 be used for surge protection in power supply units?

    • Yes, SMAJ4472CE3/TR13 can be used for surge protection in power supply units to safeguard against voltage surges and transients.

  8. What is the recommended PCB layout for SMAJ4472CE3/TR13?

    • The recommended PCB layout for SMAJ4472CE3/TR13 includes short traces, low inductance paths, and proper grounding to optimize its performance.

  9. Does SMAJ4472CE3/TR13 require any external components for operation?

    • No, SMAJ4472CE3/TR13 does not require any external components for operation, making it easy to integrate into existing circuit designs.

  10. Are there any specific handling precautions for SMAJ4472CE3/TR13 during assembly?

    • During assembly, it is important to handle SMAJ4472CE3/TR13 with ESD precautions and follow proper soldering techniques to avoid damaging the device.