Taiwan Semiconductor Corporation
Bild kan vara representation.
Se specifikationer för produktinformation.
SMBJ18A M4G
Visa detalj Datablad

SMBJ18A M4G

Product Overview

Category

The SMBJ18A M4G belongs to the category of transient voltage suppressor (TVS) diodes.

Use

It is used for protecting sensitive electronic equipment 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 SMBJ18A M4G is typically available in a surface mount package.

Essence

The essence of the SMBJ18A M4G lies in its ability to divert excessive current away from sensitive components, thereby safeguarding them from damage.

Packaging/Quantity

The SMBJ18A M4G is commonly packaged in reels or tape and reel, with quantities varying based on manufacturer specifications.

Specifications

  • Standoff Voltage: 18V
  • Breakdown Voltage: 20V
  • Peak Pulse Power: 600W
  • Operating Temperature Range: -55°C to +150°C
  • Package Type: DO-214AA (SMB)

Detailed Pin Configuration

The SMBJ18A M4G typically has two pins, with the anode and cathode connections clearly marked on the device.

Functional Features

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

Advantages

  • Provides robust protection against transient voltage events
  • Fast response time ensures minimal impact on the protected circuit
  • Compact surface mount package allows for easy integration into PCB designs

Disadvantages

  • May require additional circuitry for comprehensive overvoltage protection
  • Limited to specific voltage ranges, may not be suitable for all applications

Working Principles

When a transient voltage event occurs, the SMBJ18A M4G conducts excess current away from the protected circuit, limiting the voltage across it to a safe level.

Detailed Application Field Plans

The SMBJ18A M4G is commonly used in various electronic systems, including: - Telecommunication equipment - Industrial control systems - Automotive electronics - Consumer electronics

Detailed and Complete Alternative Models

  • SMBJ5.0A: Standoff Voltage: 5V, Breakdown Voltage: 6.4V, Peak Pulse Power: 600W
  • SMBJ12CA: Standoff Voltage: 12V, Breakdown Voltage: 13.3V, Peak Pulse Power: 600W
  • SMBJ24A: Standoff Voltage: 24V, Breakdown Voltage: 26.7V, Peak Pulse Power: 600W

In conclusion, the SMBJ18A M4G is a crucial component in protecting electronic equipment from transient voltage events, offering fast response and high surge current capability. Its application spans across various industries, and it is complemented by alternative models catering to different voltage requirements.

[Word Count: 410]

Lista 10 Vanliga frågor och svar relaterade till tillämpningen av SMBJ18A M4G i tekniska lösningar

  1. What is the SMBJ18A M4G?

    • The SMBJ18A M4G is a transient voltage suppressor diode designed to protect sensitive electronics from voltage spikes and transients.

  2. What is the maximum voltage rating of the SMBJ18A M4G?

    • The SMBJ18A M4G has a maximum voltage rating of 18V.

  3. What is the peak pulse power dissipation of the SMBJ18A M4G?

    • The peak pulse power dissipation of the SMBJ18A M4G is typically 600 watts.

  4. What are the typical applications of the SMBJ18A M4G?

    • The SMBJ18A M4G is commonly used in applications such as telecommunications equipment, industrial control systems, and automotive electronics.

  5. What is the operating temperature range of the SMBJ18A M4G?

    • The SMBJ18A M4G typically operates within a temperature range of -55°C to 150°C.

  6. How does the SMBJ18A M4G provide protection to electronic circuits?

    • The SMBJ18A M4G clamps transient overvoltages to a safe level, protecting downstream components from damage.

  7. What is the response time of the SMBJ18A M4G to voltage transients?

    • The response time of the SMBJ18A M4G is very fast, typically in the nanosecond range.

  8. Can the SMBJ18A M4G be used for surge protection in power supply units?

    • Yes, the SMBJ18A M4G is suitable for surge protection in power supply units and can help safeguard sensitive components from voltage surges.

  9. Does the SMBJ18A M4G require any external components for proper operation?

    • The SMBJ18A M4G can be used independently but may benefit from additional circuitry for enhanced protection in some applications.

  10. Is the SMBJ18A M4G RoHS compliant?

    • Yes, the SMBJ18A M4G is compliant with the Restriction of Hazardous Substances (RoHS) directive, making it suitable for use in environmentally conscious designs.