Littelfuse Inc.
Obrázek může být reprezentace.
Viz Specifikace pro podrobnosti o produktu.
P4SMA12A
Zobrazit detail DataSheets

P4SMA12A - Product Overview and Analysis

Introduction

P4SMA12A is a diode belonging to the category of transient voltage suppressors (TVS). It is commonly used for surge protection in electronic circuits, offering characteristics such as high reliability, fast response time, and low clamping voltage. This product is typically available in a package that includes multiple units, providing essential protection for sensitive electronic components.

Basic Information Overview

  • Category: Transient Voltage Suppressor (TVS) Diode
  • Use: Surge protection in electronic circuits
  • Characteristics: High reliability, fast response time, low clamping voltage
  • Package: Multiple units per package
  • Essence: Protection of sensitive electronic components
  • Packaging/Quantity: Typically available in reels or tubes containing multiple units

Specifications

  • Part Number: P4SMA12A
  • Voltage - Reverse Standoff (Typ): 10.5V
  • Voltage - Breakdown (Min): 11.7V
  • Voltage - Clamping (Max) @ Ipp: 19.9V
  • Current - Peak Pulse (10/1000µs): 43.5A
  • Power - Peak Pulse: 400W
  • Type: Zener
  • Mounting Type: Surface Mount
  • Package / Case: DO-214AC, SMA
  • Operating Temperature: -55°C ~ 150°C

Detailed Pin Configuration

The P4SMA12A diode has a standard SMA package with two pins. The pin configuration is as follows: - Pin 1: Anode - Pin 2: Cathode

Functional Features

The P4SMA12A diode offers the following functional features: - Fast response time to transient voltage surges - Low clamping voltage to protect downstream components - High reliability for consistent surge protection

Advantages and Disadvantages

Advantages

  • Effective surge protection for electronic circuits
  • Fast response time reduces the risk of damage to sensitive components
  • Low clamping voltage helps prevent overvoltage damage

Disadvantages

  • Limited to specific voltage and current ratings
  • May require additional circuitry for comprehensive surge protection in complex systems

Working Principles

When a transient voltage surge occurs in the circuit, the P4SMA12A diode rapidly conducts, diverting the excess energy away from the protected components. By clamping the voltage at a safe level, it prevents damage to downstream electronics.

Detailed Application Field Plans

The P4SMA12A diode is widely used in various applications, including: - Power supply units - Communication equipment - Automotive electronics - Industrial control systems - Consumer electronics

Detailed and Complete Alternative Models

Some alternative models to P4SMA12A include: - P4SMA6.8A - P4SMA10A - P4SMA15A - P4SMA18A - P4SMA24A

In conclusion, the P4SMA12A diode serves as a crucial component in protecting electronic circuits from transient voltage surges. Its fast response time, low clamping voltage, and high reliability make it an essential part of surge protection strategies across various industries.

[Word Count: 498]

Seznam 10 běžných otázek a odpovědí souvisejících s aplikací P4SMA12A v technických řešeních

  1. What is P4SMA12A?

    • P4SMA12A is a type of TVS (transient voltage suppressor) diode that is designed to protect electronic circuits from voltage spikes and transient surges.

  2. What is the maximum peak pulse power of P4SMA12A?

    • The maximum peak pulse power of P4SMA12A is 400 watts.

  3. What is the breakdown voltage of P4SMA12A?

    • The breakdown voltage of P4SMA12A is 12 volts.

  4. What are the typical applications of P4SMA12A?

    • P4SMA12A is commonly used in applications such as power supplies, industrial equipment, automotive electronics, and telecommunications equipment to protect against voltage transients.

  5. What is the operating temperature range of P4SMA12A?

    • The operating temperature range of P4SMA12A is typically -55°C to +150°C.

  6. What is the response time of P4SMA12A?

    • The response time of P4SMA12A is very fast, typically in the nanosecond range.

  7. Is P4SMA12A RoHS compliant?

    • Yes, P4SMA12A is RoHS compliant, meaning it meets the Restriction of Hazardous Substances directive.

  8. Can P4SMA12A be used for ESD protection?

    • Yes, P4SMA12A can be used for electrostatic discharge (ESD) protection in sensitive electronic components.

  9. What is the package type of P4SMA12A?

    • P4SMA12A is typically available in a DO-214AC (SMA) package.

  10. What are the key features of P4SMA12A?

    • Some key features of P4SMA12A include low clamping voltage, fast response time, high surge capability, and compatibility with automated placement equipment.