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SMBJ120A M4G
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SMBJ120A M4G

Product Overview

The SMBJ120A M4G belongs to the category of transient voltage suppressor diodes. These diodes are commonly used to protect sensitive electronic components from voltage spikes and transients. The SMBJ120A M4G is characterized by its high surge capability, low clamping voltage, and fast response time. It is typically packaged in a surface mount format and is available in various quantities to suit different application needs.

Specifications

  • Part Number: SMBJ120A M4G
  • Category: Transient Voltage Suppressor Diode
  • Use: Protection against voltage spikes and transients
  • Characteristics: High surge capability, low clamping voltage, fast response time
  • Package: Surface Mount
  • Essence: Protecting sensitive electronic components
  • Packaging/Quantity: Available in tape and reel packaging, quantities vary

Detailed Pin Configuration

The SMBJ120A M4G follows a standard diode pin configuration with two terminals for connection. The pinout configuration is as follows: - Pin 1: Anode - Pin 2: Cathode

Functional Features

  • Transient Voltage Suppression: Effectively clamps transient voltages to protect downstream components.
  • Fast Response Time: Rapid reaction to voltage spikes ensures minimal impact on the protected circuitry.
  • High Surge Capability: Capable of withstanding high surge currents without degradation.

Advantages and Disadvantages

Advantages

  • Effective protection against voltage transients
  • Fast response time
  • Compact surface mount package
  • High surge capability

Disadvantages

  • Clamping voltage may not be as low as some alternative models
  • Limited to specific voltage ratings

Working Principles

The SMBJ120A M4G operates based on the principle of avalanche breakdown. When a transient voltage spike occurs, the diode rapidly conducts, diverting the excess energy away from the protected circuit. This action effectively limits the voltage across the protected components, safeguarding them from damage.

Detailed Application Field Plans

The SMBJ120A M4G finds extensive use in various applications, including: - Power supply units - Communication equipment - Automotive electronics - Industrial control systems - Consumer electronics

Detailed and Complete Alternative Models

Several alternative models to the SMBJ120A M4G include: - SMBJ5.0A: Lower voltage rating, suitable for less demanding applications - SMBJ200A: Higher voltage rating, ideal for industrial and automotive applications - SMBJ120CA: Similar characteristics but with a different package type

In conclusion, the SMBJ120A M4G transient voltage suppressor diode offers effective protection against voltage transients and spikes, making it an essential component in various electronic systems.

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  1. What is the SMBJ120A M4G?

    • The SMBJ120A M4G is a surface mount transient voltage suppressor diode designed to protect sensitive electronic components from voltage spikes and transients.

  2. What is the maximum working voltage of the SMBJ120A M4G?

    • The SMBJ120A M4G has a maximum working voltage of 120V.

  3. What is the peak pulse power dissipation of the SMBJ120A M4G?

    • The peak pulse power dissipation of the SMBJ120A M4G is 600W.

  4. What are the typical applications of the SMBJ120A M4G?

    • The SMBJ120A M4G is commonly used in applications such as power supplies, telecommunications equipment, automotive electronics, and industrial controls to protect against voltage transients.

  5. What is the operating temperature range of the SMBJ120A M4G?

    • The SMBJ120A M4G has an operating temperature range of -55°C to +150°C.

  6. What is the response time of the SMBJ120A M4G?

    • The response time of the SMBJ120A M4G is very fast, typically responding within nanoseconds to clamp transient voltages.

  7. Is the SMBJ120A M4G RoHS compliant?

    • Yes, the SMBJ120A M4G is RoHS compliant, meaning it meets the Restriction of Hazardous Substances directive.

  8. Can the SMBJ120A M4G be used for ESD protection?

    • Yes, the SMBJ120A M4G can be used for electrostatic discharge (ESD) protection in various electronic circuits.

  9. What is the package type of the SMBJ120A M4G?

    • The SMBJ120A M4G comes in a DO-214AA (SMB) package.

  10. Are there any recommended layout guidelines for using the SMBJ120A M4G in a circuit?

    • Yes, it is recommended to follow the layout guidelines provided in the datasheet to ensure optimal performance and protection when using the SMBJ120A M4G in a circuit.