Taiwan Semiconductor Corporation
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P4SMA18CAHR3G
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P4SMA18CAHR3G Product Overview

Introduction

The P4SMA18CAHR3G belongs to the category of transient voltage suppressor (TVS) diodes. These diodes are used to protect sensitive electronic components from voltage spikes and transients. The P4SMA18CAHR3G is designed to provide robust protection for electronic circuits against overvoltage events.

Basic Information Overview

  • Category: Transient Voltage Suppressor Diode
  • Use: Protection against voltage spikes and transients
  • Characteristics: Fast response time, low clamping voltage, high surge current capability
  • Package: SMA (DO-214AC)
  • Essence: Safeguarding electronic circuits from voltage surges
  • Packaging/Quantity: Available in tape and reel packaging, quantity varies by manufacturer

Specifications

  • Voltage - Reverse Standoff (Typ): 15.3V
  • Voltage - Breakdown (Min): 17V
  • Voltage - Clamping (Max) @ Ipp: 29.2V
  • Current - Peak Pulse (10/1000µs): 43.5A
  • Power - Peak Pulse: 400W
  • Type: Zener

Detailed Pin Configuration

The P4SMA18CAHR3G 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

  • Transient Voltage Suppression: Effectively clamps transient voltages to a safe level.
  • Fast Response Time: Rapid reaction to voltage spikes ensures minimal impact on the protected circuitry.
  • High Surge Current Capability: Capable of handling large surge currents without degradation.

Advantages and Disadvantages

Advantages

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

Disadvantages

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

Working Principles

The P4SMA18CAHR3G operates based on the principle of Zener breakdown. When a voltage spike occurs, the diode rapidly conducts, diverting excess current away from the protected circuit. This action effectively limits the voltage across the circuit to a safe level.

Detailed Application Field Plans

The P4SMA18CAHR3G is commonly used in various applications, including: - Telecommunications: Protecting communication equipment from lightning-induced surges. - Automotive Electronics: Safeguarding vehicle electronics from voltage transients. - Industrial Control Systems: Ensuring the reliability of control circuitry in industrial environments.

Detailed and Complete Alternative Models

  • P4SMA6.8CAHR3G: Lower voltage variant suitable for sensitive electronics.
  • P4SMA24CAHR3G: Higher voltage variant for applications requiring greater protection.

In conclusion, the P4SMA18CAHR3G transient voltage suppressor diode offers effective protection against voltage spikes and transients, making it an essential component in safeguarding sensitive electronic circuits across various industries.

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10个与P4SMA18CAHR3G在技术解决方案中的应用相关的常见问题及解答

  1. What is P4SMA18CAHR3G?

    • P4SMA18CAHR3G is a type of TVS (transient voltage suppressor) diode designed to protect electronic circuits from voltage spikes and transient events.

  2. What are the key specifications of P4SMA18CAHR3G?

    • P4SMA18CAHR3G has a working voltage of 15.3V, a peak pulse power of 400W, and a clamping voltage of 24.4V at 10A.

  3. How is P4SMA18CAHR3G typically used in technical solutions?

    • P4SMA18CAHR3G is commonly used to protect sensitive electronic components such as integrated circuits, transistors, and other semiconductor devices from voltage surges and ESD (electrostatic discharge).

  4. What are the typical applications for P4SMA18CAHR3G?

    • P4SMA18CAHR3G is often used in telecommunications equipment, industrial control systems, automotive electronics, and power supplies.

  5. How does P4SMA18CAHR3G provide protection in technical solutions?

    • P4SMA18CAHR3G diverts excessive current away from sensitive components by providing a low-impedance path to ground during transient events, thereby safeguarding the circuitry.

  6. What are the temperature considerations for P4SMA18CAHR3G in technical solutions?

    • P4SMA18CAHR3G is designed to operate within a wide temperature range, typically from -55°C to 150°C, making it suitable for various environmental conditions.

  7. Are there any reliability concerns with using P4SMA18CAHR3G in technical solutions?

    • P4SMA18CAHR3G is known for its high reliability and robustness, offering consistent performance in demanding applications.

  8. Can P4SMA18CAHR3G be used in conjunction with other protective components?

    • Yes, P4SMA18CAHR3G can be combined with other protective devices such as varistors, fuses, and inductors to create comprehensive surge protection solutions.

  9. What are the mounting options for P4SMA18CAHR3G in technical solutions?

    • P4SMA18CAHR3G is available in various package types, including SMA, SMB, and SMC, offering flexibility for different mounting configurations.

  10. Where can I find detailed application notes and guidelines for using P4SMA18CAHR3G in technical solutions?

    • Detailed application notes, guidelines, and specifications for P4SMA18CAHR3G can be found in the product datasheet provided by the manufacturer or distributor.