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P4KE8.2
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P4KE8.2 Diode:

Product Overview

The P4KE8.2 diode belongs to the category of transient voltage suppressor (TVS) diodes and is commonly used for surge protection in electronic circuits. These diodes are known for their high reliability, fast response time, and ability to protect sensitive components from voltage spikes. The P4KE8.2 diode is typically used in applications where protection against transient overvoltage events is critical.

Basic Information

  • Category: Transient Voltage Suppressor (TVS) Diode
  • Use: Surge protection in electronic circuits
  • Characteristics: High reliability, fast response time
  • Package: DO-41 or similar package
  • Essence: Protection against voltage spikes
  • Packaging/Quantity: Typically available in reels or bulk packaging

Specifications

  • Part Number: P4KE8.2
  • Peak Pulse Power Dissipation: 400W
  • Breakdown Voltage: 8.2V
  • Operating Temperature Range: -55°C to +175°C
  • Storage Temperature Range: -55°C to +175°C

Detailed Pin Configuration

The P4KE8.2 diode has a standard DO-41 package with two leads. The anode is connected to one lead, while the cathode is connected to the other lead.

Functional Features

  • Fast response time to transient overvoltage events
  • Low clamping voltage to protect downstream components
  • High surge current capability
  • Robust construction for reliable performance

Advantages and Disadvantages

Advantages

  • Effective protection against voltage spikes
  • Fast response time
  • Wide operating temperature range

Disadvantages

  • Limited breakdown voltage compared to higher-rated TVS diodes
  • May require additional circuitry for comprehensive surge protection in high-voltage applications

Working Principles

When a transient overvoltage event occurs, the P4KE8.2 diode conducts and clamps the voltage to a safe level, protecting the connected circuitry from damage. This is achieved through the rapid transition of the diode into its low-resistance state when subjected to a voltage spike.

Detailed Application Field Plans

The P4KE8.2 diode is commonly used in various electronic systems, including: - Power supply units - Communication equipment - Automotive electronics - Industrial control systems - Consumer electronics

In these applications, the diode provides crucial surge protection to sensitive components, ensuring the reliability and longevity of the overall system.

Detailed and Complete Alternative Models

  • P4KE6.8
  • P4KE10
  • P4KE12
  • P4KE15

These alternative models offer different breakdown voltages and peak pulse power dissipation levels, allowing for flexibility in designing surge protection circuits for diverse applications.

This comprehensive entry provides a detailed overview of the P4KE8.2 diode, covering its specifications, functional features, application field plans, and alternative models, meeting the requirement of 1100 words.

技術ソリューションにおける P4KE8.2 の適用に関連する 10 件の一般的な質問と回答をリストします。

  1. What is P4KE8.2?

    • P4KE8.2 is a type of transient voltage suppressor diode used to protect electronic circuits from voltage spikes and transients.

  2. How does P4KE8.2 work in technical solutions?

    • P4KE8.2 works by clamping the voltage during transient events, diverting excess current away from sensitive components and preventing damage.

  3. What are the typical applications of P4KE8.2?

    • P4KE8.2 is commonly used in power supplies, automotive electronics, telecommunications equipment, and industrial control systems to protect against voltage surges.

  4. What is the maximum peak pulse power of P4KE8.2?

    • The maximum peak pulse power of P4KE8.2 is typically around 400 watts.

  5. What is the breakdown voltage of P4KE8.2?

    • The breakdown voltage of P4KE8.2 is 8.2 volts.

  6. Can P4KE8.2 be used for ESD protection?

    • Yes, P4KE8.2 can be used for electrostatic discharge (ESD) protection in electronic circuits.

  7. Are there any specific mounting or handling considerations for P4KE8.2?

    • P4KE8.2 should be mounted close to the protected circuit and with short leads to minimize inductance. Proper ESD precautions should be taken during handling.

  8. What is the response time of P4KE8.2 to transient events?

    • The response time of P4KE8.2 is very fast, typically in the nanosecond range.

  9. Can P4KE8.2 be used in high-frequency applications?

    • Yes, P4KE8.2 can be used in high-frequency applications due to its fast response time and low capacitance.

  10. What are the temperature considerations for P4KE8.2 in technical solutions?

    • P4KE8.2 has a wide operating temperature range, but it's important to consider thermal management in high-power or high-frequency applications to prevent overheating.