Vishay Semiconductor Diodes Division
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SMAJ28C-E3/5A
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SMAJ28C-E3/5A

Product Overview

Category

The SMAJ28C-E3/5A 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

  • Voltage Suppression: Capable of suppressing transient voltages to safeguard connected components.
  • Fast Response Time: Rapid response to voltage transients, ensuring minimal impact on the protected circuitry.
  • Compact Package: Small form factor for easy integration into various electronic designs.
  • Robustness: Designed to withstand high-energy transients without degradation.

Package

The SMAJ28C-E3/5A is typically available in a surface-mount package, offering ease of installation and compatibility with modern PCB designs.

Essence

The essence of this product lies in its ability to provide reliable protection against voltage transients, thereby enhancing the longevity and reliability of electronic systems.

Packaging/Quantity

It is commonly packaged in reels or trays, with quantities varying based on manufacturer specifications.

Specifications

  • Part Number: SMAJ28C-E3/5A
  • Peak Pulse Power: 400W
  • Breakdown Voltage: 28V
  • Operating Temperature Range: -55°C to 150°C
  • RoHS Compliance: Yes

Detailed Pin Configuration

The SMAJ28C-E3/5A features a standard SMC (DO-214AB) package with two pins. The pinout configuration is as follows: 1. Anode 2. Cathode

Functional Features

  • Transient Voltage Suppression: Effectively clamps transient voltages to safe levels, protecting downstream components.
  • Low Clamping Voltage: Ensures that the protected circuitry is exposed to minimal voltage stress during transient events.
  • Bidirectional Protection: Offers protection for both positive and negative transient events.

Advantages and Disadvantages

Advantages

  • Reliable protection against voltage transients
  • Fast response time
  • Compact form factor for easy integration

Disadvantages

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

Working Principles

The SMAJ28C-E3/5A operates based on the principle of avalanche breakdown, where it rapidly conducts excess current when subjected to a transient voltage spike, diverting the energy away from the protected circuitry.

Detailed Application Field Plans

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

Detailed and Complete Alternative Models

  • Alternative Model 1: P6SMB28CA
  • Alternative Model 2: 1.5SMC28CA
  • Alternative Model 3: SMBJ28CA

In conclusion, the SMAJ28C-E3/5A serves as a crucial component in safeguarding electronic circuits from voltage transients, offering reliable protection and fast response times. Its compact form factor and robust characteristics make it an essential part of modern electronic designs across diverse industries.

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Enumere 10 preguntas y respuestas comunes relacionadas con la aplicación de SMAJ28C-E3/5A en soluciones técnicas

  1. What is the maximum peak pulse power of SMAJ28C-E3/5A?

    • The maximum peak pulse power of SMAJ28C-E3/5A is 400 watts for a 10/1000 µs waveform.

  2. What is the breakdown voltage of SMAJ28C-E3/5A?

    • The breakdown voltage of SMAJ28C-E3/5A is typically 31.1 volts at a test current of 1 mA.

  3. What is the operating temperature range for SMAJ28C-E3/5A?

    • SMAJ28C-E3/5A has an operating temperature range of -55°C to +150°C.

  4. What is the reverse stand-off voltage of SMAJ28C-E3/5A?

    • The reverse stand-off voltage of SMAJ28C-E3/5A is 28 volts.

  5. What are the typical applications for SMAJ28C-E3/5A?

    • SMAJ28C-E3/5A is commonly used in surge protection for sensitive electronics, such as telecommunications equipment, industrial control systems, and automotive electronics.

  6. What is the response time of SMAJ28C-E3/5A?

    • The response time of SMAJ28C-E3/5A is very fast, typically less than 1 picosecond.

  7. Is SMAJ28C-E3/5A RoHS compliant?

    • Yes, SMAJ28C-E3/5A is RoHS compliant, meaning it meets the Restriction of Hazardous Substances directive.

  8. What is the package type of SMAJ28C-E3/5A?

    • SMAJ28C-E3/5A is available in a DO-214AC (SMA) package.

  9. Does SMAJ28C-E3/5A have any certifications or approvals?

    • SMAJ28C-E3/5A is often certified to meet industry standards such as IEC 61000-4-5 for surge protection devices.

  10. Can SMAJ28C-E3/5A be used for overvoltage protection in power supply circuits?

    • Yes, SMAJ28C-E3/5A is suitable for overvoltage protection in power supply circuits, providing reliable protection against transient voltage events.