Vishay Semiconductor Diodes Division
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SMBJ28A-M3/5B
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SMBJ28A-M3/5B

Product Overview

Category

The SMBJ28A-M3/5B belongs to the category of transient voltage suppressor diodes (TVS 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
  • Compact package size

Package

The SMBJ28A-M3/5B is available in a surface mount DO-214AA (SMB) package.

Essence

The essence of the SMBJ28A-M3/5B lies in its ability to rapidly clamp transient voltages to a safe level, thereby safeguarding downstream electronic circuits.

Packaging/Quantity

The SMBJ28A-M3/5B is typically packaged in reels with a quantity of 3000 units per reel.

Specifications

  • Standoff Voltage: 28V
  • Breakdown Voltage: 31.1V
  • Maximum Clamping Voltage: 45.4V
  • Peak Pulse Current: 30A
  • Operating Temperature Range: -55°C to 150°C

Detailed Pin Configuration

The SMBJ28A-M3/5B has two pins: 1. Anode (A) 2. Cathode (K)

Functional Features

  • Bi-directional TVS diode
  • Low incremental surge resistance
  • RoHS compliant

Advantages

  • Provides effective protection against transient voltage events
  • Compact size allows for easy integration into circuit designs
  • Wide operating temperature range enhances versatility

Disadvantages

  • Limited to low voltage applications
  • May require additional circuitry for comprehensive overvoltage protection

Working Principles

When a transient voltage event occurs, the SMBJ28A-M3/5B conducts current and clamps the voltage to a safe level, diverting the excess energy away from the protected circuit.

Detailed Application Field Plans

The SMBJ28A-M3/5B is commonly used in the following applications: - Telecommunication equipment - Industrial control systems - Automotive electronics - Consumer electronics

Detailed and Complete Alternative Models

Some alternative models to the SMBJ28A-M3/5B include: - SMAJ28A - P6SMB28A - SMCJ28A

In conclusion, the SMBJ28A-M3/5B is a vital component in protecting electronic circuits from transient voltage events, offering fast response times and high surge current capabilities. Its compact size and bi-directional functionality make it suitable for a wide range of applications, although it is important to consider its limitations in higher voltage scenarios. When selecting TVS diodes, engineers should evaluate the specific requirements of their application to determine the most suitable model for effective transient voltage suppression.

Seznam 10 běžných otázek a odpovědí souvisejících s aplikací SMBJ28A-M3/5B v technických řešeních

  1. What is the SMBJ28A-M3/5B?

    • The SMBJ28A-M3/5B is a surface mount transient voltage suppressor diode designed to protect sensitive electronic components from voltage transients in various applications.

  2. What is the maximum peak pulse power of the SMBJ28A-M3/5B?

    • The maximum peak pulse power of the SMBJ28A-M3/5B is 600 watts for an 8/20 µs waveform.

  3. What are the typical applications of the SMBJ28A-M3/5B?

    • Typical applications include protection of sensitive electronic equipment such as telecommunication systems, industrial controls, consumer electronics, and automotive electronics.

  4. What is the breakdown voltage of the SMBJ28A-M3/5B?

    • The breakdown voltage of the SMBJ28A-M3/5B is 28 volts.

  5. What is the operating temperature range of the SMBJ28A-M3/5B?

    • The SMBJ28A-M3/5B has an operating temperature range of -55°C to +150°C.

  6. What is the response time of the SMBJ28A-M3/5B?

    • The response time of the SMBJ28A-M3/5B is very fast, typically less than 1 picosecond.

  7. Is the SMBJ28A-M3/5B RoHS compliant?

    • Yes, the SMBJ28A-M3/5B is RoHS compliant, making it suitable for use in environmentally sensitive applications.

  8. What is the package type of the SMBJ28A-M3/5B?

    • The SMBJ28A-M3/5B comes in a DO-214AA (SMB) package.

  9. What are the key features of the SMBJ28A-M3/5B?

    • Key features include low clamping voltage, high surge capability, and fast response time.

  10. Can the SMBJ28A-M3/5B be used in high-speed data line protection?

    • Yes, the SMBJ28A-M3/5B is suitable for high-speed data line protection due to its fast response time and low clamping voltage characteristics.