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SMAJ5945AE3/TR13

SMAJ5945AE3/TR13

Introduction

SMAJ5945AE3/TR13 is a product belonging to the category of transient voltage suppressor diodes. This entry provides an overview of its basic information, specifications, pin configuration, functional features, advantages and disadvantages, working principles, application field plans, and alternative models.

Basic Information Overview

  • Category: Transient Voltage Suppressor Diode
  • Use: Protecting sensitive electronic components from voltage transients induced by lightning, inductive load switching, and electrostatic discharge.
  • Characteristics: Fast response time, low clamping voltage, high surge current capability.
  • Package: DO-214AC (SMA)
  • Essence: Safeguarding electronic circuits from voltage spikes.
  • Packaging/Quantity: Tape & Reel, 3000 units per reel.

Specifications

  • Peak Pulse Power: 400W
  • Breakdown Voltage Range: 51.7V to 57.3V
  • Operating Temperature Range: -55°C to +150°C
  • Storage Temperature Range: -55°C to +150°C

Detailed Pin Configuration

The SMAJ5945AE3/TR13 has a standard DO-214AC package with two pins. Pin 1 is the cathode, and pin 2 is the anode.

Functional Features

  • Transient Voltage Suppression: Provides protection against voltage transients by diverting excess current away from sensitive components.
  • Fast Response Time: Reacts quickly to voltage spikes, limiting the duration of the transient event.
  • Low Clamping Voltage: Limits the voltage across the protected circuit during a transient event.

Advantages and Disadvantages

  • Advantages:
    • Effective protection against voltage transients.
    • Fast response time ensures minimal impact on the protected circuit.
    • Low clamping voltage prevents damage to sensitive components.
  • Disadvantages:
    • Limited to specific voltage ranges.
    • May require additional circuitry for comprehensive surge protection.

Working Principles

When a transient voltage spike occurs, the SMAJ5945AE3/TR13 conducts current and clamps the voltage to a safe level, protecting downstream components. It achieves this through the use of avalanche breakdown and rapid conduction characteristics.

Detailed Application Field Plans

  • Telecommunications: Protecting communication equipment from lightning-induced surges.
  • Industrial Control Systems: Safeguarding PLCs and control circuitry from inductive load switching transients.
  • Consumer Electronics: Shielding sensitive devices such as smartphones and tablets from electrostatic discharge events.

Detailed and Complete Alternative Models

  • Alternative Model 1: P6KE56CA
  • Alternative Model 2: 1.5KE68A
  • Alternative Model 3: SMBJ58CA

In conclusion, the SMAJ5945AE3/TR13 transient voltage suppressor diode offers effective protection against voltage transients, with fast response times and low clamping voltages. Its applications span various industries, and it has several alternative models available for different voltage requirements.

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技術ソリューションにおける SMAJ5945AE3/TR13 の適用に関連する 10 件の一般的な質問と回答をリストします。

  1. What is SMAJ5945AE3/TR13?

    • SMAJ5945AE3/TR13 is a surface mount transient voltage suppressor diode designed to protect sensitive electronics from voltage spikes and transients.
  2. What is the maximum working voltage of SMAJ5945AE3/TR13?

    • The maximum working voltage of SMAJ5945AE3/TR13 is 51.7V.
  3. What is the peak pulse power of SMAJ5945AE3/TR13?

    • The peak pulse power of SMAJ5945AE3/TR13 is 400W.
  4. What are the typical applications of SMAJ5945AE3/TR13?

    • SMAJ5945AE3/TR13 is commonly used in applications such as telecommunications equipment, industrial control systems, automotive electronics, and consumer electronics to protect against voltage surges and ESD events.
  5. What is the clamping voltage of SMAJ5945AE3/TR13?

    • The clamping voltage of SMAJ5945AE3/TR13 is 77.4V at 1A.
  6. What is the operating temperature range of SMAJ5945AE3/TR13?

    • The operating temperature range of SMAJ5945AE3/TR13 is -55°C to +150°C.
  7. How does SMAJ5945AE3/TR13 provide protection?

    • SMAJ5945AE3/TR13 provides protection by diverting excessive current away from sensitive components when a voltage surge occurs, thus preventing damage to the circuit.
  8. Can SMAJ5945AE3/TR13 be used for overvoltage protection in power supplies?

    • Yes, SMAJ5945AE3/TR13 can be used for overvoltage protection in power supplies to safeguard against voltage transients and spikes.
  9. Is SMAJ5945AE3/TR13 RoHS compliant?

    • Yes, SMAJ5945AE3/TR13 is RoHS compliant, making it suitable for use in environmentally conscious designs.
  10. What are the package dimensions of SMAJ5945AE3/TR13?

    • The package dimensions of SMAJ5945AE3/TR13 are typically 5.0mm x 3.6mm x 1.55mm, making it suitable for surface mount applications.