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SMAJ120A
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SMAJ120A - Product Overview

Introduction

The SMAJ120A belongs to the category of transient voltage suppressor diodes, commonly used for surge protection in electronic circuits. This entry provides a comprehensive overview of the SMAJ120A, including 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: Surge protection in electronic circuits
  • Characteristics: Fast response time, low clamping voltage, high surge current capability
  • Package: DO-214AC (SMA), SMC package
  • Essence: Protects sensitive electronic components from voltage transients
  • Packaging/Quantity: Available in tape and reel packaging, quantity varies by manufacturer

Specifications

  • Part Number: SMAJ120A
  • Peak Pulse Power: 400W
  • Breakdown Voltage: 120V
  • Operating Temperature Range: -55°C to +150°C
  • RoHS Compliant: Yes

Detailed Pin Configuration

The SMAJ120A typically has two pins, with the anode connected to the positive side and the cathode connected to the negative side of the circuit.

Functional Features

  • Transient Voltage Suppression: Provides protection against voltage spikes and transients.
  • Fast Response Time: Reacts quickly to transient events, safeguarding sensitive components.
  • Low Clamping Voltage: Limits the voltage across the protected circuit during transient events.

Advantages and Disadvantages

Advantages

  • Effective surge protection for sensitive electronic components
  • Fast response time ensures minimal impact on circuit operation
  • Compact size and easy integration into circuit designs

Disadvantages

  • Limited to specific voltage ratings
  • May require additional circuitry for comprehensive surge protection in complex systems

Working Principles

The SMAJ120A operates by diverting excessive transient current away from sensitive components, thereby limiting the voltage across the circuit. When a transient event occurs, the diode rapidly conducts, providing a low-impedance path for the excess current to flow through, thus protecting the downstream components.

Detailed Application Field Plans

The SMAJ120A is widely used in various applications, including: - Power supply units - Communication equipment - Automotive electronics - Industrial control systems - Consumer electronics

Detailed and Complete Alternative Models

  • 1. P6KE120A: Similar surge protection capabilities with a different package type
  • 2. 1.5SMC120A: Higher power handling capacity with a different package type
  • 3. SMBJ120A: Lower profile package with similar surge protection characteristics

In conclusion, the SMAJ120A transient voltage suppressor diode offers effective surge protection for a wide range of electronic applications, with its fast response time and low clamping voltage making it a popular choice for circuit protection.

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技術ソリューションにおける SMAJ120A 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 SMAJ120A?

    • SMAJ120A is a surface mount transient voltage suppressor diode designed to protect sensitive electronics from voltage spikes and transients.

  2. What is the maximum peak pulse power of SMAJ120A?

    • The maximum peak pulse power of SMAJ120A is 400 watts.

  3. What is the breakdown voltage of SMAJ120A?

    • The breakdown voltage of SMAJ120A is 120 volts.

  4. What are the typical applications of SMAJ120A?

    • SMAJ120A is commonly used in applications such as power supplies, telecommunications equipment, automotive electronics, and industrial controls for surge protection.

  5. What is the operating temperature range of SMAJ120A?

    • The operating temperature range of SMAJ120A is -55°C to +150°C.

  6. What is the response time of SMAJ120A?

    • The response time of SMAJ120A is very fast, typically less than 1 picosecond.

  7. What is the package type of SMAJ120A?

    • SMAJ120A is available in a DO-214AC (SMA) package.

  8. Is SMAJ120A RoHS compliant?

    • Yes, SMAJ120A is RoHS compliant, making it suitable for use in environmentally friendly electronic products.

  9. Can SMAJ120A be used for ESD protection?

    • Yes, SMAJ120A can provide effective electrostatic discharge (ESD) protection for sensitive components and circuits.

  10. What are the key features of SMAJ120A?

    • Some key features of SMAJ120A include low clamping voltage, fast response time, high surge capability, and compatibility with automated placement equipment.