Vishay Semiconductor Diodes Division
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P4SMA18A-E3/5A
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P4SMA18A-E3/5A

Product Overview

Category

The P4SMA18A-E3/5A belongs to the category of TVS (Transient Voltage Suppressor) diodes.

Use

It is used for surge protection in electronic circuits, particularly in applications where protection against transient voltage spikes is crucial.

Characteristics

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

Package

The P4SMA18A-E3/5A is typically available in a DO-214AC (SMA) package.

Essence

The essence of this product lies in its ability to rapidly suppress transient voltage spikes and protect sensitive electronic components from damage.

Packaging/Quantity

These diodes are usually packaged in reels or tubes, with quantities varying based on manufacturer specifications.

Specifications

  • Standoff Voltage: 15.3V
  • Breakdown Voltage: 17V
  • Maximum Reverse Leakage Current: 1µA
  • Peak Pulse Power Dissipation: 400W
  • Operating Temperature Range: -55°C to +150°C

Detailed Pin Configuration

The P4SMA18A-E3/5A 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

  • Rapid clamping of transient voltage spikes
  • Protection of downstream components
  • Low incremental surge resistance

Advantages

  • Effective protection against voltage transients
  • Fast response time
  • Compact form factor

Disadvantages

  • Limited power dissipation capability
  • May require additional circuitry for comprehensive surge protection

Working Principles

When a transient voltage spike occurs, the P4SMA18A-E3/5A diode quickly conducts, diverting the excess energy away from the protected circuit. This rapid response helps prevent damage to sensitive components.

Detailed Application Field Plans

The P4SMA18A-E3/5A is commonly used in various electronic systems, including: - Power supplies - Communication equipment - Automotive electronics - Industrial control systems

Detailed and Complete Alternative Models

Some alternative models to the P4SMA18A-E3/5A include: - P4SMA10A-E3/61 (Standoff Voltage: 8.55V) - P4SMA24A-E3/61 (Standoff Voltage: 20.5V) - P4SMA30A-E3/61 (Standoff Voltage: 27.0V)

In conclusion, the P4SMA18A-E3/5A TVS diode offers effective surge protection for a wide range of electronic applications, with its fast response time and high surge current capability making it a valuable component in safeguarding sensitive circuits.

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قم بإدراج 10 أسئلة وإجابات شائعة تتعلق بتطبيق P4SMA18A-E3/5A في الحلول التقنية

  1. What is the maximum peak pulse power of P4SMA18A-E3/5A?

    • The maximum peak pulse power is 400W for a 10/1000μs waveform.

  2. What is the breakdown voltage of P4SMA18A-E3/5A?

    • The breakdown voltage is 16.7V minimum and 18.5V maximum at 1mA.

  3. What is the operating temperature range for P4SMA18A-E3/5A?

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

  4. What is the typical reverse stand-off voltage of P4SMA18A-E3/5A?

    • The typical reverse stand-off voltage is 15.3V.

  5. What is the clamping voltage of P4SMA18A-E3/5A?

    • The clamping voltage is 25.2V at 19.9A.

  6. What is the package type of P4SMA18A-E3/5A?

    • The package type is DO-214AC (SMA).

  7. Is P4SMA18A-E3/5A RoHS compliant?

    • Yes, it is RoHS compliant.

  8. What are the typical applications for P4SMA18A-E3/5A?

    • Typical applications include transient voltage suppression in telecommunication equipment, industrial electronics, and automotive systems.

  9. What is the lead-free status of P4SMA18A-E3/5A?

    • It is lead-free and meets the requirements of the RoHS directive.

  10. Does P4SMA18A-E3/5A have a low leakage current?

    • Yes, it has a low leakage current of less than 1μA at the stand-off voltage.