Vishay Semiconductor Diodes Division
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SMCJ12AHE3/57T
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SMCJ12AHE3/57T - Product Encyclopedia Entry

Introduction

The SMCJ12AHE3/57T is a high-performance TVS (transient voltage suppressor) diode designed to protect sensitive electronic components from voltage transients and surges. This entry provides a comprehensive overview of the product, including its category, use, characteristics, package, specifications, pin configuration, functional features, advantages and disadvantages, working principles, application field plans, and alternative models.

Basic Information Overview

  • Category: Electronic Components
  • Use: Voltage Transient Suppression
  • Characteristics: High Surge Capability, Fast Response Time
  • Package: DO-214AB (SMC), 2-Pin
  • Essence: Protection of Sensitive Electronics from Voltage Transients
  • Packaging/Quantity: Tape & Reel, 1800 units per reel

Specifications

  • Peak Pulse Power: 1500W
  • Breakdown Voltage Range: 10.5V to 12.8V
  • Operating Voltage: 9.2V
  • Maximum Clamping Voltage: 19.9V
  • Reverse Standoff Voltage: 12V
  • Operating Temperature Range: -55°C to +150°C

Detailed Pin Configuration

The SMCJ12AHE3/57T features a simple 2-pin configuration with no polarity, making it easy to integrate into various circuit designs.

Functional Features

  • Transient Voltage Suppression: Effectively clamps transient overvoltages to a safe level.
  • Fast Response Time: Rapid reaction to voltage transients ensures minimal impact on connected electronics.
  • High Surge Capability: Capable of handling large surge currents without degradation.

Advantages and Disadvantages

Advantages

  • Robust protection against voltage transients
  • Fast response time
  • Compact and easy to integrate

Disadvantages

  • Limited to specific voltage ranges
  • Requires careful consideration of placement in circuit design

Working Principles

The SMCJ12AHE3/57T operates by diverting excessive voltage transients away from sensitive electronic components, thereby safeguarding them from potential damage. When a transient voltage spike occurs, the diode rapidly conducts, shunting the excess energy to ground and limiting the voltage across the protected circuit.

Detailed Application Field Plans

The SMCJ12AHE3/57T is widely used in various applications, including: - Power Supplies - Communication Equipment - Industrial Control Systems - Automotive Electronics - Consumer Electronics

Detailed and Complete Alternative Models

For applications requiring similar transient voltage suppression capabilities, alternative models include: - SMCJ10AHE3/57T - SMCJ15AHE3/57T - SMCJ18AHE3/57T - SMCJ24AHE3/57T

In conclusion, the SMCJ12AHE3/57T offers reliable protection against voltage transients, making it an essential component in numerous electronic systems.

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Sebutkan 10 pertanyaan dan jawaban umum terkait penerapan SMCJ12AHE3/57T dalam solusi teknis

  1. What is the SMCJ12AHE3/57T?

    • The SMCJ12AHE3/57T is a surface mount transient voltage suppressor diode designed to protect sensitive electronic components from voltage spikes and transients.

  2. What is the maximum peak pulse power of the SMCJ12AHE3/57T?

    • The maximum peak pulse power of the SMCJ12AHE3/57T is 1500 watts.

  3. What is the breakdown voltage of the SMCJ12AHE3/57T?

    • The breakdown voltage of the SMCJ12AHE3/57T is 12V.

  4. What are the typical applications of the SMCJ12AHE3/57T?

    • The SMCJ12AHE3/57T is commonly used in surge protection for telecommunications equipment, industrial control systems, and automotive electronics.

  5. What is the operating temperature range of the SMCJ12AHE3/57T?

    • The operating temperature range of the SMCJ12AHE3/57T is -55°C to 150°C.

  6. What is the response time of the SMCJ12AHE3/57T?

    • The response time of the SMCJ12AHE3/57T is very fast, typically in the nanosecond range.

  7. Is the SMCJ12AHE3/57T RoHS compliant?

    • Yes, the SMCJ12AHE3/57T is RoHS compliant, meaning it meets the Restriction of Hazardous Substances directive.

  8. What is the package type of the SMCJ12AHE3/57T?

    • The SMCJ12AHE3/57T comes in a DO-214AB (SMC) package.

  9. What are the key features of the SMCJ12AHE3/57T?

    • The key features of the SMCJ12AHE3/57T include low clamping voltage, high surge capability, and fast response time.

  10. Can the SMCJ12AHE3/57T be used for overvoltage protection in power supply circuits?

    • Yes, the SMCJ12AHE3/57T is suitable for overvoltage protection in power supply circuits, providing reliable protection against voltage transients.