Littelfuse Inc.
画像はイメージの場合もございます。
商品詳細は仕様をご覧ください。
V220RA16
詳細を表示 DataSheets

V220RA16

Product Overview

Category

The V220RA16 belongs to the category of electronic components, specifically varistors.

Use

It is used to protect electrical circuits from overvoltage conditions by clamping the voltage and diverting the excessive current away from sensitive components.

Characteristics

  • Voltage Clamping: The V220RA16 has a high clamping voltage, making it suitable for protecting against high voltage surges.
  • Fast Response Time: It offers a quick response to overvoltage conditions, providing rapid protection to the circuit.
  • Reliability: Known for its reliability in safeguarding electronic devices from voltage spikes.
  • Temperature Stability: Capable of operating across a wide temperature range without compromising performance.

Package

The V220RA16 is typically available in a cylindrical package with leads for easy installation on printed circuit boards.

Essence

The essence of the V220RA16 lies in its ability to protect electronic circuits from damaging voltage surges, ensuring the longevity and reliability of electronic devices.

Packaging/Quantity

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

Specifications

  • Maximum Voltage Rating: 220V
  • Peak Current Capability: 1000A
  • Operating Temperature Range: -40°C to 85°C
  • Capacitance: 100pF

Detailed Pin Configuration

The V220RA16 typically features two leads for connection to the circuit. The pin configuration may vary slightly based on the manufacturer, but the standard configuration includes a lead for connection to the ground and another for connection to the protected circuit.

Functional Features

  • Voltage Clamping: When an overvoltage condition occurs, the V220RA16 rapidly clamps the voltage to a safe level, preventing damage to the connected circuitry.
  • Current Diversion: It diverts excessive current away from sensitive components, safeguarding them from potential harm.
  • Fast Response: The varistor responds quickly to voltage spikes, offering immediate protection to the circuit.

Advantages and Disadvantages

Advantages

  • Effective overvoltage protection
  • Fast response time
  • Wide operating temperature range
  • Reliable performance

Disadvantages

  • Limited lifespan under continuous overvoltage conditions
  • Susceptible to thermal runaway if subjected to prolonged overvoltage events

Working Principles

The V220RA16 operates based on the principle of non-linear resistance. Under normal operating conditions, it exhibits a high resistance to current flow. However, when the voltage exceeds a certain threshold, the varistor's resistance decreases significantly, allowing it to conduct large currents and clamp the voltage to a safe level.

Detailed Application Field Plans

The V220RA16 finds extensive use in various applications, including: - Power supply units - Surge protectors - Industrial equipment - Telecommunications devices - Consumer electronics

Detailed and Complete Alternative Models

  • V130LA20A
  • V275LA20AP
  • V320LA20AP

In conclusion, the V220RA16 varistor serves as a crucial component in protecting electronic circuits from overvoltage conditions, offering fast response, reliability, and effective clamping characteristics. Its application spans across diverse industries, ensuring the safety and longevity of electronic devices.

Word Count: 490

技術ソリューションにおける V220RA16 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。

Sure, here are 10 common questions and answers related to the application of V220RA16 in technical solutions:

  1. What is V220RA16?

    • V220RA16 is a radial leaded varistor with a voltage rating of 220V and a maximum peak current of 8000A.

  2. What are the typical applications of V220RA16?

    • V220RA16 is commonly used for overvoltage protection in power supplies, automotive electronics, industrial equipment, and consumer electronics.

  3. How does V220RA16 provide overvoltage protection?

    • V220RA16 acts as a voltage-dependent resistor, conducting current when the voltage exceeds its threshold, thereby diverting excess voltage away from sensitive components.

  4. What are the key specifications of V220RA16?

    • The key specifications include a maximum energy absorption of 2J, a response time of less than 25ns, and a operating temperature range of -40°C to 85°C.

  5. Can V220RA16 be used in AC and DC circuits?

    • Yes, V220RA16 can be used in both AC and DC circuits for overvoltage protection.

  6. What is the recommended mounting and soldering method for V220RA16?

    • V220RA16 should be mounted on a PCB using through-hole technology and soldered according to the recommended temperature profile.

  7. Is V220RA16 RoHS compliant?

    • Yes, V220RA16 is compliant with the Restriction of Hazardous Substances (RoHS) directive.

  8. What are the reliability and lifespan characteristics of V220RA16?

    • V220RA16 has a high reliability and a long lifespan when operated within its specified parameters.

  9. Can V220RA16 be used in outdoor or harsh environments?

    • V220RA16 is suitable for use in outdoor and harsh environments due to its robust construction and wide operating temperature range.

  10. Are there any application notes or design guidelines available for using V220RA16 in technical solutions?

    • Yes, detailed application notes and design guidelines are available from the manufacturer to assist in the proper integration of V220RA16 into technical solutions.