Vishay Semiconductor Diodes Division
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SMAJ28AHE3/61
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SMAJ28AHE3/61

Introduction

The SMAJ28AHE3/61 is a diode belonging to the category of transient voltage suppressors (TVS). It is commonly used for protecting sensitive electronic devices from voltage transients induced by lightning, electrostatic discharge (ESD), and other transient voltage events. This entry provides an overview of the basic information, specifications, pin configuration, functional features, advantages and disadvantages, working principles, application field plans, and alternative models of the SMAJ28AHE3/61 diode.

Basic Information Overview

  • Category: Transient Voltage Suppressor (TVS)
  • Use: Protection against voltage transients induced by lightning, ESD, and other transient voltage events
  • Characteristics: Fast response time, low clamping voltage, high surge current capability
  • Package: DO-214AC (SMA) package
  • Essence: Diode-based transient voltage suppression
  • Packaging/Quantity: Available in tape and reel packaging with varying quantities

Specifications

  • Peak Pulse Power: 400W
  • Breakdown Voltage: 28V
  • Clamping Voltage: 45.7V at 1A
  • Operating Temperature Range: -55°C to +150°C
  • Storage Temperature Range: -55°C to +150°C

Detailed Pin Configuration

The SMAJ28AHE3/61 diode has two pins: 1. Anode (A) 2. Cathode (K)

Functional Features

  • Fast response time to transient voltage events
  • Low clamping voltage to protect downstream components
  • High surge current capability for robust protection

Advantages and Disadvantages

Advantages

  • Effective protection against voltage transients
  • Fast response time
  • Robust surge current capability

Disadvantages

  • Clamping voltage may be relatively high for some applications
  • Limited breakdown voltage compared to higher voltage TVS diodes

Working Principles

When a transient voltage event occurs, the SMAJ28AHE3/61 diode conducts and clamps the voltage to a safe level, diverting the excess energy away from the protected circuitry. This helps prevent damage to sensitive electronic components.

Detailed Application Field Plans

The SMAJ28AHE3/61 diode finds applications in various fields, including: - Consumer electronics - Telecommunications equipment - Industrial automation - Automotive electronics - Power supplies

Detailed and Complete Alternative Models

Some alternative models to the SMAJ28AHE3/61 diode include: - P6KE27CA - 1.5KE30A - SMBJ28CA - SMCJ28A

In conclusion, the SMAJ28AHE3/61 diode is a crucial component for protecting electronic devices from transient voltage events, offering fast response time, low clamping voltage, and high surge current capability. Its applications span across diverse industries, and it has several alternative models available in the market.

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací SMAJ28AHE3/61 v technických řešeních

  1. What is the maximum reverse voltage of SMAJ28AHE3/61?

    • The maximum reverse voltage of SMAJ28AHE3/61 is 28V.

  2. What is the peak pulse power dissipation of SMAJ28AHE3/61?

    • The peak pulse power dissipation of SMAJ28AHE3/61 is 400W.

  3. What is the breakdown voltage of SMAJ28AHE3/61?

    • The breakdown voltage of SMAJ28AHE3/61 is typically 31.1V.

  4. What is the forward voltage drop of SMAJ28AHE3/61 at a specified current?

    • The forward voltage drop of SMAJ28AHE3/61 is typically 3.5V at 14A.

  5. What are the typical applications of SMAJ28AHE3/61 in technical solutions?

    • SMAJ28AHE3/61 is commonly used for transient voltage suppression in electronic circuits, such as in power supplies, communication equipment, and automotive electronics.

  6. What is the response time of SMAJ28AHE3/61 to transient voltage spikes?

    • The response time of SMAJ28AHE3/61 is very fast, typically in the nanosecond range.

  7. Is SMAJ28AHE3/61 suitable for protecting sensitive semiconductor devices from voltage transients?

    • Yes, SMAJ28AHE3/61 is designed to protect sensitive semiconductor devices by clamping or diverting excessive voltage transients away from them.

  8. Can SMAJ28AHE3/61 be used in high-speed data transmission systems?

    • Yes, SMAJ28AHE3/61 can be used in high-speed data transmission systems to protect against voltage surges and spikes.

  9. What is the temperature range for proper operation of SMAJ28AHE3/61?

    • SMAJ28AHE3/61 is designed to operate within a temperature range of -55°C to 150°C.

  10. Are there any specific layout considerations when using SMAJ28AHE3/61 in a circuit?

    • It is important to minimize the length and impedance of the connections to SMAJ28AHE3/61 and to ensure proper grounding for effective transient voltage suppression.