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V120ZA4PX2855

V120ZA4PX2855

Product Overview

Category

The V120ZA4PX2855 belongs to the category of varistors, which are electronic components used to protect circuits from excessive voltage.

Use

It is used to suppress transient or surge voltages in electronic circuits by rapidly changing resistance with voltage.

Characteristics

  • Fast response time
  • High energy absorption capability
  • Wide operating temperature range
  • Reliable performance

Package

The V120ZA4PX2855 is typically available in a disc-shaped package made of a ceramic material, providing robust protection for the internal components.

Essence

The essence of the V120ZA4PX2855 lies in its ability to safeguard sensitive electronic equipment from voltage spikes and surges.

Packaging/Quantity

It is commonly packaged in reels or trays, with quantities varying based on manufacturer specifications.

Specifications

  • Maximum Allowable Voltage: 120V
  • Peak Current Capability: 8000A
  • Energy Absorption: 85J
  • Operating Temperature Range: -40°C to 85°C
  • Nominal Varistor Voltage: 385V

Detailed Pin Configuration

The V120ZA4PX2855 has two leads for connection to the circuit. The pin configuration is as follows: 1. Pin 1: Anode 2. Pin 2: Cathode

Functional Features

  • Rapid response to voltage transients
  • High current handling capability
  • Stable performance over a wide temperature range

Advantages

  • Effective protection against voltage surges
  • Reliable performance under various conditions
  • Compact size for easy integration into circuits

Disadvantages

  • Limited lifespan after repeated exposure to high-energy transients
  • Requires careful consideration of mounting and heat dissipation in circuit design

Working Principles

The V120ZA4PX2855 operates based on the principle of voltage-dependent resistance. When exposed to a surge in voltage, the varistor's resistance decreases, diverting excess current away from the protected circuit.

Detailed Application Field Plans

The V120ZA4PX2855 finds application in various fields, including: - Power supply units - Telecommunication equipment - Industrial control systems - Consumer electronics

Detailed and Complete Alternative Models

Some alternative models to the V120ZA4PX2855 include: - V130LA20A - V150LA10A - V140LA20A - V110LA10A

In conclusion, the V120ZA4PX2855 varistor offers reliable protection against voltage transients in electronic circuits, making it an essential component in numerous applications across different industries.

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Enumere 10 preguntas y respuestas comunes relacionadas con la aplicación de V120ZA4PX2855 en soluciones técnicas

  1. What is the V120ZA4PX2855?

    • The V120ZA4PX2855 is a metal oxide varistor (MOV) component used for voltage clamping and transient surge protection in electronic circuits.

  2. What is the maximum voltage rating of the V120ZA4PX2855?

    • The V120ZA4PX2855 has a maximum voltage rating of 120V AC.

  3. What is the peak current capability of the V120ZA4PX2855?

    • The peak current capability of the V120ZA4PX2855 is typically specified at a certain pulse duration, such as 8/20μs.

  4. How does the V120ZA4PX2855 provide surge protection?

    • The V120ZA4PX2855 conducts excess current when a transient voltage surge occurs, diverting it away from sensitive components and protecting the circuit.

  5. What are the typical applications of the V120ZA4PX2855?

    • The V120ZA4PX2855 is commonly used in power supplies, telecommunications equipment, industrial controls, and consumer electronics for surge suppression.

  6. What are the key characteristics of the V120ZA4PX2855 that make it suitable for surge protection?

    • The V120ZA4PX2855 offers high energy absorption capability, fast response time, and low leakage current, making it effective for transient voltage suppression.

  7. What is the operating temperature range of the V120ZA4PX2855?

    • The V120ZA4PX2855 typically operates within a temperature range of -40°C to 85°C, making it suitable for various environmental conditions.

  8. How is the V120ZA4PX2855 connected in a circuit for surge protection?

    • The V120ZA4PX2855 is typically connected in parallel with the load or equipment to be protected, providing a shunting path for transient surges.

  9. Can the V120ZA4PX2855 be used for both AC and DC applications?

    • Yes, the V120ZA4PX2855 is suitable for both AC and DC voltage clamping applications.

  10. What are the reliability and lifespan considerations for the V120ZA4PX2855 in technical solutions?

    • The V120ZA4PX2855 has a long operational lifespan and high reliability when operated within its specified voltage and current ratings, making it a dependable choice for surge protection in technical solutions.