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B72207S0350K211
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B72207S0350K211

Product Overview

Category

The B72207S0350K211 belongs to the category of varistors, which are electronic components used to protect circuits from overvoltage conditions.

Use

This varistor is commonly used in electronic circuits to suppress voltage spikes and transient surges, thereby safeguarding sensitive components from damage.

Characteristics

  • Voltage Suppression: Capable of suppressing high voltage spikes.
  • Fast Response Time: Provides quick response to transient surges.
  • Reliable Protection: Offers reliable protection to electronic circuits.
  • Compact Package: Comes in a compact package suitable for integration into various electronic devices.

Package

The B72207S0350K211 varistor is typically packaged in a cylindrical form with leads for easy soldering onto circuit boards.

Essence

The essence of this varistor lies in its ability to protect electronic circuits from overvoltage events, ensuring the longevity and reliability of the connected devices.

Packaging/Quantity

These varistors are usually packaged in reels or trays, with quantities varying based on the manufacturer's specifications.

Specifications

  • Model: B72207S0350K211
  • Maximum Allowable Voltage: 35V
  • Nominal Discharge Current (8/20 µs): 100A
  • Peak Current (8/20 µs): 2500A
  • Operating Temperature Range: -40°C to +85°C
  • Dimensions: 7mm diameter, 5mm height

Detailed Pin Configuration

The B72207S0350K211 varistor has two leads, typically denoted as the anode and cathode. The anode lead is usually longer than the cathode lead, allowing for easy identification and installation on a circuit board.

Functional Features

  • Voltage Clamping: When the voltage across the varistor exceeds its threshold, it rapidly changes its resistance to limit the voltage.
  • Transient Surge Protection: Effectively absorbs and dissipates energy from transient surges, protecting downstream components.
  • High Energy Absorption Capacity: Capable of handling high surge currents without degradation.

Advantages and Disadvantages

Advantages

  • Effective protection against voltage spikes and surges.
  • Fast response time to transient events.
  • Compact size for easy integration into circuit designs.

Disadvantages

  • Limited maximum allowable voltage compared to higher-rated varistors.
  • Sensitive to prolonged overvoltage conditions.

Working Principles

The B72207S0350K211 varistor operates based on the principle of voltage-dependent resistance. Under normal operating conditions, it exhibits a high resistance. However, when subjected to overvoltage conditions, its resistance decreases significantly, diverting excess current away from the protected circuit.

Detailed Application Field Plans

This varistor is widely used in various electronic applications, including: - Power supplies - Telecommunications equipment - Industrial control systems - Consumer electronics - Automotive electronics

Detailed and Complete Alternative Models

  • B72207S0250K101: Similar varistor with a lower maximum allowable voltage of 25V.
  • B72207S0450K211: Similar varistor with a higher maximum allowable voltage of 45V.
  • B72207S0550K311: Similar varistor with a higher maximum allowable voltage of 55V.

In conclusion, the B72207S0350K211 varistor serves as a crucial component in protecting electronic circuits from overvoltage events, offering reliable and compact surge protection for a wide range of applications.

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Liste 10 almindelige spørgsmål og svar relateret til anvendelsen af B72207S0350K211 i tekniske løsninger

  1. What is the B72207S0350K211 component used for in technical solutions?

    • The B72207S0350K211 is a varistor, commonly used for overvoltage protection in electronic circuits.

  2. What are the key specifications of the B72207S0350K211?

    • The B72207S0350K211 has a maximum voltage of 35V and a nominal current of 20A.

  3. How does the B72207S0350K211 provide overvoltage protection?

    • The varistor material in the B72207S0350K211 exhibits a non-linear resistance characteristic, which means it conducts more current as the voltage across it increases, effectively shunting excess voltage away from sensitive components.

  4. In what applications is the B72207S0350K211 commonly used?

    • This varistor is often used in power supplies, industrial equipment, and consumer electronics to protect against transient voltage spikes.

  5. What are the temperature and humidity operating ranges for the B72207S0350K211?

    • The B72207S0350K211 typically operates within a temperature range of -40°C to +85°C and a humidity range of up to 85% RH.

  6. Can the B72207S0350K211 be used in automotive applications?

    • Yes, this varistor is suitable for use in automotive electronics due to its robust construction and ability to handle transient voltage events.

  7. Is the B72207S0350K211 lead-free and RoHS compliant?

    • Yes, the B72207S0350K211 is lead-free and complies with the Restriction of Hazardous Substances (RoHS) directive.

  8. What is the typical response time of the B72207S0350K211 to an overvoltage event?

    • The B72207S0350K211 has a fast response time, typically clamping the voltage within nanoseconds of an overvoltage event.

  9. Are there any derating considerations for the B72207S0350K211 in high-temperature environments?

    • Yes, it's important to consider derating the varistor's maximum voltage and current ratings at elevated temperatures to ensure reliable performance.

  10. Can multiple B72207S0350K211 varistors be connected in parallel for higher current handling capability?

    • Yes, connecting multiple varistors in parallel can increase the overall current handling capacity, but proper consideration should be given to ensure balanced current sharing among the varistors.