Bourns Inc.
Obrázek může být reprezentace.
Viz Specifikace pro podrobnosti o produktu.
SMAJ28A-QH
Zobrazit detail DataSheets

SMAJ28A-QH

Product Overview

Category: Electronic Component
Use: Voltage Suppression
Characteristics: Transient Voltage Suppressor
Package: DO-214AC
Essence: Protects sensitive electronic devices from voltage spikes
Packaging/Quantity: Tape & Reel, 3000 units

Specifications

  • Peak Pulse Power: 400W
  • Breakdown Voltage: 28V
  • Operating Temperature Range: -55°C to +150°C
  • Reverse Standoff Voltage: 28V
  • Forward Voltage: 3.5V at 10A

Detailed Pin Configuration

The SMAJ28A-QH has two pins: 1. Anode (A) 2. Cathode (K)

Functional Features

  • Provides protection against transient voltage events
  • Fast response time
  • Low clamping voltage
  • High surge capability

Advantages and Disadvantages

Advantages: - Effective voltage suppression - Fast response time - Compact size

Disadvantages: - Limited power dissipation capability - May require additional circuitry for comprehensive protection

Working Principles

The SMAJ28A-QH operates by diverting excess current away from sensitive components when a voltage spike occurs. It rapidly clamps the voltage to a safe level, protecting the connected circuitry.

Detailed Application Field Plans

The SMAJ28A-QH is commonly used in various electronic systems, including: - Power supplies - Communication equipment - Automotive electronics - Industrial control systems

Detailed and Complete Alternative Models

  1. P6SMB28CA: Similar specifications and package type
  2. 1.5KE28CA: Higher peak pulse power rating
  3. ESD9B5.0ST5G: Lower clamping voltage

In conclusion, the SMAJ28A-QH is a reliable transient voltage suppressor that offers effective protection for sensitive electronic devices. Its compact size and fast response time make it suitable for a wide range of applications, although users should consider its limitations in power dissipation. Additionally, alternative models with varying specifications are available to cater to specific requirements within different electronic systems.

[Word Count: 298]

Seznam 10 běžných otázek a odpovědí souvisejících s aplikací SMAJ28A-QH v technických řešeních

  1. What is the voltage rating of SMAJ28A-QH?

    • The voltage rating of SMAJ28A-QH is 28V.

  2. What is the peak pulse power of SMAJ28A-QH?

    • The peak pulse power of SMAJ28A-QH is 400W.

  3. What is the breakdown voltage of SMAJ28A-QH?

    • The breakdown voltage of SMAJ28A-QH is typically 31.1V.

  4. What are the typical applications for SMAJ28A-QH?

    • SMAJ28A-QH is commonly used in surge protection for sensitive electronics, such as in telecommunications equipment, industrial control systems, and automotive electronics.

  5. What is the response time of SMAJ28A-QH?

    • The response time of SMAJ28A-QH is very fast, typically responding within nanoseconds to protect against transient voltage spikes.

  6. What is the maximum clamping voltage of SMAJ28A-QH?

    • The maximum clamping voltage of SMAJ28A-QH is 45.4V at 14A.

  7. Is SMAJ28A-QH RoHS compliant?

    • Yes, SMAJ28A-QH is RoHS compliant, making it suitable for use in environmentally conscious designs.

  8. Can SMAJ28A-QH be used for overvoltage protection in power supply circuits?

    • Yes, SMAJ28A-QH can be used for overvoltage protection in power supply circuits to safeguard sensitive components from voltage surges.

  9. What is the operating temperature range of SMAJ28A-QH?

    • The operating temperature range of SMAJ28A-QH is typically -55°C to +150°C, making it suitable for a wide range of environments.

  10. Does SMAJ28A-QH require any special mounting considerations?

    • SMAJ28A-QH is designed for easy surface mount installation and does not require any special mounting considerations beyond standard SMT practices.