Littelfuse Inc.
Obrázek může být reprezentace.
Viz Specifikace pro podrobnosti o produktu.
P4KE400CA-B
Zobrazit detail DataSheets

P4KE400CA-B

Introduction

The P4KE400CA-B is a diode belonging to the category of transient voltage suppressors (TVS). This device is commonly used to protect electronic circuits from voltage spikes and transients. The P4KE400CA-B exhibits specific characteristics, comes in a particular package, and has unique functional features that make it suitable for various applications.

Basic Information Overview

  • Category: Transient Voltage Suppressor (TVS)
  • Use: Protection against voltage spikes and transients in electronic circuits
  • Characteristics: Fast response time, low clamping voltage, high surge capability
  • Package: DO-41
  • Essence: Safeguarding electronic components from voltage surges
  • Packaging/Quantity: Typically available in reels or bulk packaging

Specifications

  • Voltage Rating: 342V to 378V
  • Power Dissipation: 400W
  • Breakdown Voltage: 380V to 420V
  • Operating Temperature: -55°C to 175°C
  • Polarity: Unidirectional

Detailed Pin Configuration

The P4KE400CA-B typically follows the standard pin configuration for diodes, with anode and cathode terminals clearly marked on the DO-41 package.

Functional Features

  • Fast Response Time: Rapid reaction to voltage transients
  • Low Clamping Voltage: Limits the voltage across the protected circuit
  • High Surge Capability: Can handle large transient currents without damage

Advantages and Disadvantages

Advantages

  • Effective protection against voltage spikes
  • Compact and easy to integrate into circuits
  • Wide operating temperature range

Disadvantages

  • Unidirectional protection only
  • May require additional circuitry for bidirectional protection

Working Principles

When a voltage spike occurs, the P4KE400CA-B conducts current and clamps the voltage to a safe level, protecting the downstream circuitry from damage. This is achieved through the rapid response of the diode to the transient voltage.

Detailed Application Field Plans

The P4KE400CA-B is commonly used in various electronic systems, including: - Power supplies - Communication equipment - Automotive electronics - Industrial control systems - Consumer electronics

Detailed and Complete Alternative Models

  • P6KE400CA: Similar TVS diode with higher power dissipation
  • 1.5KE400CA: TVS diode with different package and form factor
  • SMCJ400A: Surface mount TVS diode with similar voltage rating

In conclusion, the P4KE400CA-B is a crucial component in protecting electronic circuits from voltage transients and spikes. Its fast response time, low clamping voltage, and high surge capability make it a reliable choice for a wide range of applications.

[Word count: 398]

Seznam 10 běžných otázek a odpovědí souvisejících s aplikací P4KE400CA-B v technických řešeních

  1. What is the maximum peak pulse power of P4KE400CA-B?

    • The maximum peak pulse power of P4KE400CA-B is 400 watts.

  2. What is the breakdown voltage of P4KE400CA-B?

    • The breakdown voltage of P4KE400CA-B is typically 356V.

  3. What is the clamping voltage of P4KE400CA-B?

    • The clamping voltage of P4KE400CA-B at its peak pulse current is 485V.

  4. What are the typical applications for P4KE400CA-B?

    • P4KE400CA-B is commonly used in surge protection for sensitive electronics, such as in telecommunications equipment, industrial control systems, and automotive electronics.

  5. What is the response time of P4KE400CA-B?

    • The response time of P4KE400CA-B is very fast, typically responding within nanoseconds to clamp transient voltage spikes.

  6. What is the operating temperature range of P4KE400CA-B?

    • P4KE400CA-B has an operating temperature range of -55°C to +175°C.

  7. Does P4KE400CA-B meet any specific industry standards?

    • Yes, P4KE400CA-B complies with the requirements of various industry standards, including RoHS compliance.

  8. Can P4KE400CA-B be used for both AC and DC applications?

    • Yes, P4KE400CA-B can be used for both AC and DC applications.

  9. What is the packaging type of P4KE400CA-B?

    • P4KE400CA-B is available in a DO-41 package.

  10. Is P4KE400CA-B suitable for high-frequency applications?

    • Yes, P4KE400CA-B is suitable for high-frequency applications due to its fast response time and low capacitance.