Vishay Semiconductor Diodes Division
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SMA5J18A-E3/61
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SMA5J18A-E3/61

Product Overview

Category

The SMA5J18A-E3/61 belongs to the category of semiconductor devices, specifically a TVS (Transient Voltage Suppressor) diode.

Use

It is used for protecting sensitive electronic components from voltage transients induced by lightning, ESD (electrostatic discharge), and other transient voltage events.

Characteristics

  • Package: SMA (DO-214AC)
  • Essence: High power TVS diode
  • Packaging/Quantity: Available in tape and reel packaging with varying quantities

Specifications

  • Peak Pulse Power: 5000W
  • Breakdown Voltage: 18V
  • Reverse Standoff Voltage: 15.3V
  • Clamping Voltage: 24.4V
  • Maximum Surge Current: 215A
  • Operating Temperature Range: -55°C to +150°C

Detailed Pin Configuration

The SMA5J18A-E3/61 has two pins, with the anode connected to the positive side and the cathode connected to the negative side of the circuit.

Functional Features

  • Fast response time
  • Low clamping voltage
  • High surge current capability
  • RoHS compliant

Advantages and Disadvantages

Advantages

  • Provides robust protection against voltage transients
  • Fast reaction time to transient events
  • Suitable for high power applications

Disadvantages

  • May require additional circuitry for comprehensive overvoltage protection

Working Principles

The SMA5J18A-E3/61 operates based on the principle of avalanche breakdown, where it rapidly diverts excessive transient currents away from sensitive components, thereby safeguarding them from damage.

Detailed Application Field Plans

This TVS diode is commonly used in various electronic systems, including: - Power supplies - Communication equipment - Automotive electronics - Industrial control systems

Detailed and Complete Alternative Models

  • SMA5J15A-E3/61
  • SMA5J20A-E3/61
  • SMA5J24A-E3/61
  • SMA5J30A-E3/61

In conclusion, the SMA5J18A-E3/61 is a high-power TVS diode that offers robust protection against transient voltage events, making it an essential component in ensuring the reliability and longevity of electronic systems across diverse industries.

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Enumere 10 preguntas y respuestas comunes relacionadas con la aplicación de SMA5J18A-E3/61 en soluciones técnicas

  1. What is the maximum reverse voltage of SMA5J18A-E3/61?

    • The maximum reverse voltage of SMA5J18A-E3/61 is 18V.

  2. What is the typical forward voltage drop of SMA5J18A-E3/61?

    • The typical forward voltage drop of SMA5J18A-E3/61 is 0.58V at 5A.

  3. What is the peak pulse power dissipation of SMA5J18A-E3/61?

    • The peak pulse power dissipation of SMA5J18A-E3/61 is 5000W.

  4. What is the operating temperature range of SMA5J18A-E3/61?

    • The operating temperature range of SMA5J18A-E3/61 is -55°C to +150°C.

  5. What are the typical applications for SMA5J18A-E3/61?

    • SMA5J18A-E3/61 is commonly used in surge protection, power supplies, and other high-reliability applications.

  6. What is the maximum forward surge current of SMA5J18A-E3/61?

    • The maximum forward surge current of SMA5J18A-E3/61 is 200A.

  7. Does SMA5J18A-E3/61 have a low leakage current?

    • Yes, SMA5J18A-E3/61 has a low leakage current, making it suitable for sensitive electronic circuits.

  8. Is SMA5J18A-E3/61 RoHS compliant?

    • Yes, SMA5J18A-E3/61 is RoHS compliant, meeting environmental standards.

  9. Can SMA5J18A-E3/61 be used for ESD protection?

    • Yes, SMA5J18A-E3/61 can be used for ESD (electrostatic discharge) protection in various electronic devices.

  10. What package type does SMA5J18A-E3/61 come in?

    • SMA5J18A-E3/61 is available in a DO-214AC (SMA) package.