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ERZ-E11A821
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ERZ-E11A821 Product Overview

Introduction

The ERZ-E11A821 is a versatile electronic component that belongs to the category of varistors. This product is widely used in electrical and electronic circuits to protect against transient voltage surges. In this entry, we will provide a comprehensive overview of the ERZ-E11A821, including its basic information, specifications, pin configuration, functional features, advantages and disadvantages, working principles, application field plans, and alternative models.

Basic Information Overview

  • Category: Varistor
  • Use: Protection against transient voltage surges
  • Characteristics: High energy absorption capacity, fast response time
  • Package: Radial leaded disc
  • Essence: Voltage-dependent resistor
  • Packaging/Quantity: Typically available in reels or bulk packaging

Specifications

  • Voltage Rating: 820V
  • Nominal Diameter: 11mm
  • Maximum Allowable Voltage: 670V
  • Peak Current (8/20μs): 4000A
  • Energy (10/1000μs): 3J
  • Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The ERZ-E11A821 has a radial leaded disc package with two leads for easy integration into circuit designs. The pin configuration is as follows: - Pin 1: Anode - Pin 2: Cathode

Functional Features

  • Transient Voltage Suppression: Provides effective protection against transient voltage surges.
  • Fast Response Time: Rapidly clamps excessive voltage to safeguard connected components.
  • High Energy Absorption: Capable of dissipating significant surge energy without degradation.

Advantages and Disadvantages

Advantages

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

Disadvantages

  • Limited to specific voltage ratings
  • Requires careful consideration of application-specific requirements

Working Principles

The ERZ-E11A821 operates based on the principle of voltage-dependent resistance. When subjected to a transient voltage surge, the varistor's resistance decreases rapidly, diverting excess current away from sensitive components and preventing damage.

Detailed Application Field Plans

The ERZ-E11A821 finds extensive use in various applications, including: - Power supply units - Telecommunication equipment - Industrial control systems - Consumer electronics - Automotive electronics

Detailed and Complete Alternative Models

Several alternative models to the ERZ-E11A821 include: - ERZ-E11A511 - ERZ-E11A102 - ERZ-E11A152 - ERZ-E11A182

In conclusion, the ERZ-E11A821 varistor offers reliable protection against transient voltage surges and is suitable for a wide range of applications. Its fast response time and high energy absorption make it an essential component in modern electronic designs.

Word Count: 410

قم بإدراج 10 أسئلة وإجابات شائعة تتعلق بتطبيق ERZ-E11A821 في الحلول التقنية

  1. What is ERZ-E11A821?

    • ERZ-E11A821 is a type of varistor, also known as a voltage-dependent resistor, that is commonly used to protect electronic circuits from overvoltage conditions.

  2. How does ERZ-E11A821 work in technical solutions?

    • ERZ-E11A821 works by rapidly changing its resistance in response to changes in voltage, effectively diverting excess current away from sensitive components and preventing damage.

  3. What are the typical applications of ERZ-E11A821 in technical solutions?

    • ERZ-E11A821 is commonly used in surge protection devices, power supplies, industrial equipment, and electronic appliances to safeguard against transient voltage spikes.

  4. What are the key specifications of ERZ-E11A821?

    • The key specifications of ERZ-E11A821 include its maximum allowable voltage, energy absorption capability, response time, and operating temperature range.

  5. How should ERZ-E11A821 be integrated into a technical solution?

    • ERZ-E11A821 should be connected in parallel with the circuit or component to be protected, ensuring that it can quickly respond to any overvoltage events.

  6. What are the advantages of using ERZ-E11A821 in technical solutions?

    • The advantages of ERZ-E11A821 include its ability to provide reliable overvoltage protection, fast response times, and high energy absorption capacity.

  7. Are there any limitations or considerations when using ERZ-E11A821?

    • It's important to consider the maximum continuous voltage rating, potential degradation over time, and the need for proper thermal management when using ERZ-E11A821.

  8. How can ERZ-E11A821 be tested for its effectiveness in a technical solution?

    • ERZ-E11A821 can be tested using transient voltage surge suppressor (TVSS) testing methods to ensure it meets the required performance standards.

  9. What are the alternatives to ERZ-E11A821 for overvoltage protection in technical solutions?

    • Alternatives to ERZ-E11A821 include other types of varistors, metal oxide varistors (MOVs), gas discharge tubes, and transient voltage suppressor (TVS) diodes.

  10. Where can ERZ-E11A821 be sourced for use in technical solutions?

    • ERZ-E11A821 can be sourced from reputable electronic component suppliers, distributors, or directly from manufacturers specializing in surge protection devices.