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SMAJ7.5C
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SMAJ7.5C Diode - Encyclopedia Entry

Introduction

The SMAJ7.5C diode is a crucial component in electronic circuits, providing protection against transient voltage spikes. This entry provides an in-depth overview of the SMAJ7.5C diode, including its product details, specifications, pin configuration, functional features, advantages and disadvantages, working principles, application field plans, and alternative models.

Product Overview

Category

The SMAJ7.5C diode belongs to the category of transient voltage suppressor (TVS) diodes.

Use

It is primarily 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

Package

The SMAJ7.5C diode is typically available in a surface mount package.

Essence

The essence of the SMAJ7.5C diode lies in its ability to rapidly divert excessive current away from sensitive components, thereby safeguarding them from damage.

Packaging/Quantity

These diodes are commonly packaged in reels or tubes, with quantities varying based on manufacturer specifications.

Specifications

  • Standoff Voltage: 6.4V
  • Breakdown Voltage: 7.13V
  • Maximum Reverse Leakage Current: 1µA
  • Peak Pulse Power Dissipation: 400W
  • Operating Temperature Range: -55°C to 150°C

Detailed Pin Configuration

The SMAJ7.5C diode typically consists of two pins, with the anode and cathode clearly marked for easy identification.

Functional Features

  • Transient voltage suppression
  • Bidirectional clamping capability
  • Low incremental surge resistance

Advantages and Disadvantages

Advantages

  • Effective protection against voltage transients
  • Fast response time
  • Compact size

Disadvantages

  • Limited surge energy handling capability compared to larger TVS diodes
  • Higher cost compared to standard rectifier diodes

Working Principles

When a transient voltage spike occurs, the SMAJ7.5C diode conducts and clamps the voltage to a safe level, preventing it from reaching sensitive components.

Detailed Application Field Plans

The SMAJ7.5C diode finds extensive use in various applications, including: - Telecommunication equipment - Automotive electronics - Industrial control systems - Consumer electronics

Detailed and Complete Alternative Models

  • P6SMBJ7.5CA
  • SMBJ7.5A
  • SMCJ7.5A

In conclusion, the SMAJ7.5C diode serves as a critical component in protecting electronic circuits from transient voltage events. Its fast response time, low clamping voltage, and compact size make it an ideal choice for a wide range of applications.

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Noem 10 veelgestelde vragen en antwoorden met betrekking tot de toepassing van SMAJ7.5C in technische oplossingen

  1. What is SMAJ7.5C?

    • SMAJ7.5C is a type of surface mount transient voltage suppressor diode used to protect electronic circuits from overvoltage transients.

  2. What is the maximum working voltage of SMAJ7.5C?

    • The maximum working voltage of SMAJ7.5C is 7.5 volts.

  3. What is the peak pulse power rating of SMAJ7.5C?

    • The peak pulse power rating of SMAJ7.5C is typically 400 watts.

  4. How does SMAJ7.5C protect electronic circuits?

    • SMAJ7.5C diverts excess current away from sensitive components when an overvoltage event occurs, preventing damage to the circuit.

  5. What are the typical applications of SMAJ7.5C?

    • SMAJ7.5C is commonly used in telecommunications equipment, automotive electronics, industrial control systems, and consumer electronics to protect against voltage spikes.

  6. What is the response time of SMAJ7.5C during an overvoltage event?

    • The response time of SMAJ7.5C is very fast, typically in the nanosecond range, providing quick protection to the circuit.

  7. Can SMAJ7.5C be used for ESD protection?

    • Yes, SMAJ7.5C can provide some level of electrostatic discharge (ESD) protection in addition to transient voltage suppression.

  8. What are the temperature specifications for SMAJ7.5C?

    • SMAJ7.5C is typically rated for operation within a temperature range of -55°C to 150°C.

  9. Is SMAJ7.5C RoHS compliant?

    • Yes, SMAJ7.5C is available in RoHS-compliant versions, meeting environmental regulations.

  10. Are there any polarity considerations when using SMAJ7.5C?

    • Yes, SMAJ7.5C is a unidirectional device, so it should be installed with the correct orientation to ensure proper functionality.