Littelfuse Inc.
Obrázek může být reprezentace.
Viz Specifikace pro podrobnosti o produktu.
SMCJ28A-HRA
Zobrazit detail DataSheets

SMCJ28A-HRA

Product Overview

Category

The SMCJ28A-HRA belongs to the category of transient voltage suppressor diodes.

Use

It is used to protect sensitive electronic devices from voltage transients induced by lightning, inductive load switching, and electrostatic discharge.

Characteristics

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

Package

The SMCJ28A-HRA is available in a surface mount package.

Essence

The essence of the SMCJ28A-HRA lies in its ability to provide reliable overvoltage protection for electronic circuits.

Packaging/Quantity

The SMCJ28A-HRA is typically packaged in reels or tubes, with quantities varying based on manufacturer specifications.

Specifications

  • Peak Pulse Power: 1500W
  • Breakdown Voltage: 28V
  • Maximum Clamping Voltage: 45.4V
  • Operating Temperature Range: -55°C to 150°C

Detailed Pin Configuration

The SMCJ28A-HRA has two pins, with the anode connected to the positive side and the cathode connected to the negative side of the circuit.

Functional Features

  • Bi-directional clamping capability
  • Low leakage current
  • High reliability

Advantages and Disadvantages

Advantages

  • Fast response to transient voltage spikes
  • Low clamping voltage protects sensitive components
  • High surge current capability ensures robust protection

Disadvantages

  • Limited breakdown voltage compared to higher-rated devices
  • Higher cost compared to standard diodes

Working Principles

When a transient voltage spike occurs, the SMCJ28A-HRA conducts current to divert the excess energy away from the protected circuit, thereby limiting the voltage across the circuit.

Detailed Application Field Plans

The SMCJ28A-HRA is commonly used in: - Telecommunication equipment - Automotive electronics - Industrial control systems - Power supplies

Detailed and Complete Alternative Models

Some alternative models to the SMCJ28A-HRA include: - P6SMB28A - 1.5SMC28A - SMBJ28A

In conclusion, the SMCJ28A-HRA transient voltage suppressor diode offers fast and reliable protection against voltage transients, making it an essential component in various electronic applications.

Word Count: 320

Seznam 10 běžných otázek a odpovědí souvisejících s aplikací SMCJ28A-HRA v technických řešeních

  1. What is the voltage rating of SMCJ28A-HRA?

    • The voltage rating of SMCJ28A-HRA is 28V.

  2. What is the peak pulse power of SMCJ28A-HRA?

    • The peak pulse power of SMCJ28A-HRA is 1500W.

  3. What is the breakdown voltage of SMCJ28A-HRA?

    • The breakdown voltage of SMCJ28A-HRA is typically 31.1V.

  4. What is the maximum clamping voltage of SMCJ28A-HRA?

    • The maximum clamping voltage of SMCJ28A-HRA is 45.4V.

  5. What are the typical applications for SMCJ28A-HRA?

    • SMCJ28A-HRA is commonly used in surge protection for telecommunications equipment, automotive electronics, and industrial control systems.

  6. What is the response time of SMCJ28A-HRA?

    • The response time of SMCJ28A-HRA is very fast, typically less than 1 nanosecond.

  7. Is SMCJ28A-HRA RoHS compliant?

    • Yes, SMCJ28A-HRA is RoHS compliant, making it suitable for use in environmentally sensitive applications.

  8. What is the operating temperature range of SMCJ28A-HRA?

    • The operating temperature range of SMCJ28A-HRA is -55°C to +150°C.

  9. Does SMCJ28A-HRA have a low leakage current?

    • Yes, SMCJ28A-HRA has a low leakage current, which is important for maintaining efficiency in electronic systems.

  10. Can SMCJ28A-HRA be used for ESD protection?

    • Yes, SMCJ28A-HRA can be used for electrostatic discharge (ESD) protection in various electronic devices and systems.