Vishay Semiconductor Diodes Division
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SMAJ18A-M3/5A
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SMAJ18A-M3/5A

Product Overview

  • Belongs to: Electronic Components
  • Category: Diode
  • Use: Voltage Regulation and Protection
  • Characteristics: Fast response, low leakage current, high surge capability
  • Package: DO-214AC (SMA), Tape & Reel
  • Essence: Provides transient voltage suppression for electronic circuits
  • Packaging/Quantity: 5000 units per reel

Specifications

  • Voltage: 18V
  • Power Dissipation: 400W
  • Operating Temperature: -55°C to +150°C
  • Reverse Standoff Voltage: 15.3V
  • Breakdown Voltage: 17V
  • Clamping Voltage: 29.2V
  • Peak Pulse Current: 19.4A

Detailed Pin Configuration

  • Pin 1: Anode
  • Pin 2: Cathode

Functional Features

  • Transient voltage suppression
  • Fast response time
  • Low clamping voltage

Advantages

  • Protects sensitive electronic components
  • Fast reaction to voltage spikes
  • Suitable for various applications

Disadvantages

  • Limited to specific voltage range
  • May require additional circuitry for comprehensive protection

Working Principles

The SMAJ18A-M3/5A diode operates by diverting excess voltage away from sensitive components, thereby protecting them from damage due to voltage surges or transients.

Detailed Application Field Plans

  • Power supply units
  • Communication equipment
  • Automotive electronics
  • Industrial control systems

Detailed and Complete Alternative Models

  • P6SMB18CA
  • 1.5KE18A
  • SMBJ18A

This information provides a comprehensive overview of the SMAJ18A-M3/5A diode, including its specifications, features, advantages, and application fields.

قم بإدراج 10 أسئلة وإجابات شائعة تتعلق بتطبيق SMAJ18A-M3/5A في الحلول التقنية

  1. What is the maximum reverse voltage for SMAJ18A-M3/5A?

    • The maximum reverse voltage for SMAJ18A-M3/5A is 18V.

  2. What is the typical junction capacitance of SMAJ18A-M3/5A?

    • The typical junction capacitance of SMAJ18A-M3/5A is 150pF.

  3. What is the peak pulse power dissipation of SMAJ18A-M3/5A?

    • The peak pulse power dissipation of SMAJ18A-M3/5A is 400W.

  4. What is the operating temperature range for SMAJ18A-M3/5A?

    • The operating temperature range for SMAJ18A-M3/5A is -55°C to +150°C.

  5. What are the typical applications for SMAJ18A-M3/5A?

    • SMAJ18A-M3/5A is commonly used in surge protection for sensitive electronics, such as in telecommunications equipment, industrial control systems, and automotive electronics.

  6. What is the breakdown voltage of SMAJ18A-M3/5A?

    • The breakdown voltage of SMAJ18A-M3/5A is typically 20V.

  7. Is SMAJ18A-M3/5A RoHS compliant?

    • Yes, SMAJ18A-M3/5A is RoHS compliant, meaning it meets the Restriction of Hazardous Substances directive.

  8. What is the package type for SMAJ18A-M3/5A?

    • SMAJ18A-M3/5A comes in a DO-214AC (SMA) package.

  9. What is the clamping voltage of SMAJ18A-M3/5A?

    • The clamping voltage of SMAJ18A-M3/5A is typically 29.2V at 10A.

  10. Can SMAJ18A-M3/5A be used for ESD protection?

    • Yes, SMAJ18A-M3/5A can be used for electrostatic discharge (ESD) protection in various electronic circuits and systems.