Vishay Semiconductor Diodes Division
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SMAJ20CHE3/5A
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SMAJ20CHE3/5A

Product Overview

Category

The SMAJ20CHE3/5A belongs to the category of electronic components, specifically within the realm of semiconductor devices.

Use

This product is primarily used for transient voltage suppression in electronic circuits to protect sensitive components from voltage spikes and surges.

Characteristics

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

Package

The SMAJ20CHE3/5A is typically available in a surface mount package, making it suitable for automated assembly processes.

Essence

The essence of this product lies in its ability to swiftly divert excess voltage away from sensitive components, thereby safeguarding them from potential damage.

Packaging/Quantity

The SMAJ20CHE3/5A is commonly packaged in reels or tape and reel format, with quantities varying based on manufacturer specifications.

Specifications

  • Standoff Voltage: 20V
  • Breakdown Voltage: 22.2V
  • Maximum Clamping Voltage: 32.4V
  • Peak Pulse Current: 5A
  • Operating Temperature Range: -55°C to +150°C

Detailed Pin Configuration

The SMAJ20CHE3/5A typically features two pins, with the anode and cathode connections clearly labeled for ease of integration into circuit designs.

Functional Features

  • Transient voltage suppression
  • Reverse standoff capability
  • High surge current handling

Advantages

  • Rapid response to voltage transients
  • Low clamping voltage protects downstream components
  • Compact surface mount package for space-constrained applications

Disadvantages

  • Limited peak pulse current compared to higher-rated devices
  • May require additional circuitry for comprehensive overvoltage protection

Working Principles

The SMAJ20CHE3/5A operates by shunting excess voltage away from sensitive components when a transient event occurs, effectively limiting the voltage across the protected circuit.

Detailed Application Field Plans

This product finds extensive use in various electronic systems, including: - Power supplies - Communication equipment - Industrial control systems - Automotive electronics

Detailed and Complete Alternative Models

  • SMAJ18A: Similar characteristics with a slightly lower breakdown voltage
  • SMAJ22A: Higher breakdown voltage with comparable surge current handling capabilities
  • SMAJ20AHE3/61: Alternative package style with similar electrical characteristics

In conclusion, the SMAJ20CHE3/5A serves as a crucial component in protecting electronic circuits from voltage transients, offering a balance of performance and compactness. Its application spans across diverse industries, and several alternative models provide flexibility in design considerations.

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Texniki həllərdə SMAJ20CHE3/5A tətbiqi ilə bağlı 10 ümumi sual və cavabı sadalayın

  1. What is SMAJ20CHE3/5A?

    • SMAJ20CHE3/5A is a surface mount transient voltage suppressor diode designed to protect sensitive electronics from voltage spikes and surges.

  2. What is the maximum working voltage of SMAJ20CHE3/5A?

    • The maximum working voltage of SMAJ20CHE3/5A is 20V.

  3. What is the peak pulse current rating of SMAJ20CHE3/5A?

    • The peak pulse current rating of SMAJ20CHE3/5A is 5A.

  4. How does SMAJ20CHE3/5A protect electronic circuits?

    • SMAJ20CHE3/5A clamps the voltage during transient events, diverting excess current away from sensitive components and preventing damage.

  5. What are the typical applications of SMAJ20CHE3/5A?

    • SMAJ20CHE3/5A is commonly used in power supplies, telecommunications equipment, automotive electronics, and industrial control systems.

  6. What is the response time of SMAJ20CHE3/5A?

    • The response time of SMAJ20CHE3/5A is very fast, typically in the nanosecond range.

  7. Can SMAJ20CHE3/5A be used for ESD protection?

    • Yes, SMAJ20CHE3/5A can provide effective electrostatic discharge (ESD) protection for sensitive electronic components.

  8. What is the operating temperature range of SMAJ20CHE3/5A?

    • The operating temperature range of SMAJ20CHE3/5A is typically -55°C to 150°C.

  9. Is SMAJ20CHE3/5A RoHS compliant?

    • Yes, SMAJ20CHE3/5A is compliant with the Restriction of Hazardous Substances (RoHS) directive.

  10. How should SMAJ20CHE3/5A be mounted on a PCB?

    • SMAJ20CHE3/5A should be mounted using appropriate soldering techniques and placed close to the protected circuitry for optimal performance.