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P4SMA18C
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P4SMA18C - Product Overview

Introduction

The P4SMA18C belongs to the category of TVS (Transient Voltage Suppressor) diodes, which are used to protect sensitive electronics from voltage spikes and transients. These diodes are characterized by their fast response time and high surge capability, making them essential components in various electronic devices.

Basic Information Overview

  • Category: TVS Diode
  • Use: Protection against voltage spikes and transients
  • Characteristics: Fast response time, high surge capability
  • Package: SMA (DO-214AC)
  • Essence: Safeguarding sensitive electronics
  • Packaging/Quantity: Typically available in reels of 3000 units

Specifications

  • Peak Power Dissipation: 400W
  • Breakdown Voltage: 16.7V to 18.5V
  • Operating Voltage: 14.4V
  • Reverse Standoff Voltage: 15V
  • Clamping Voltage: 24.4V at 1A
  • Operating Temperature Range: -55°C to 150°C

Detailed Pin Configuration

The P4SMA18C TVS diode typically features two pins, with the anode and cathode connections clearly marked on the device's packaging. The pin configuration is as follows: - Anode (A) - Pin 1 - Cathode (K) - Pin 2

Functional Features

  • Fast Response Time: Rapid reaction to voltage spikes.
  • High Surge Capability: Ability to handle large transient currents.
  • Low Clamping Voltage: Provides effective protection for sensitive electronics.

Advantages and Disadvantages

Advantages

  • Effective protection against voltage transients
  • Fast response time
  • Compact package size

Disadvantages

  • Limited power dissipation capability compared to larger TVS diodes
  • Higher clamping voltage than some specialized TVS diodes

Working Principles

When a voltage spike occurs, the P4SMA18C TVS diode rapidly conducts, diverting the excess current away from the protected circuit. This action effectively limits the voltage across the circuit, safeguarding it from potential damage.

Detailed Application Field Plans

The P4SMA18C TVS diode finds extensive application in various electronic systems, including: - Power supplies - Communication equipment - Automotive electronics - Industrial control systems - Consumer electronics

Detailed and Complete Alternative Models

  • P4SMA6.8C: Lower breakdown voltage variant
  • P4SMA24C: Higher breakdown voltage variant
  • P6SMB18C: SMB package alternative with similar specifications

In conclusion, the P4SMA18C TVS diode offers reliable protection against voltage spikes and transients, making it a crucial component in ensuring the longevity and reliability of sensitive electronic systems.

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Noem 10 veelgestelde vragen en antwoorden met betrekking tot de toepassing van P4SMA18C in technische oplossingen

  1. What is P4SMA18C?

    • P4SMA18C is a type of TVS (transient voltage suppressor) diode that is designed to protect sensitive electronic components from voltage spikes and transients.

  2. What is the maximum working voltage of P4SMA18C?

    • The maximum working voltage of P4SMA18C is 15.3V.

  3. What is the peak pulse power of P4SMA18C?

    • The peak pulse power of P4SMA18C is 400W.

  4. What are the typical applications of P4SMA18C?

    • P4SMA18C is commonly used in various technical solutions such as power supplies, telecommunications equipment, automotive electronics, and industrial control systems to protect against transient voltage events.

  5. What is the clamping voltage of P4SMA18C?

    • The clamping voltage of P4SMA18C is 29.2V at 1A.

  6. What is the operating temperature range of P4SMA18C?

    • The operating temperature range of P4SMA18C is -55°C to +150°C.

  7. How does P4SMA18C provide protection in technical solutions?

    • P4SMA18C diverts excessive current away from sensitive components by providing a low-impedance path to ground during transient voltage events, thereby protecting the circuitry.

  8. Can P4SMA18C be used for ESD (electrostatic discharge) protection?

    • Yes, P4SMA18C can be used for ESD protection in various electronic devices and systems.

  9. What is the package type of P4SMA18C?

    • P4SMA18C is available in a DO-214AC (SMA) package.

  10. Are there any recommended layout considerations when using P4SMA18C in a technical solution?

    • It is recommended to minimize the length of the traces between the P4SMA18C and the protected circuitry, and to ensure a low-impedance connection to ground for effective transient voltage suppression.