EPCOS (TDK)
Bild kan vara representation.
Se specifikationer för produktinformation.
B72210S2271K111
Visa detalj Datablad

B72210S2271K111

Product Overview

Category

The B72210S2271K111 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: The B72210S2271K111 has a high energy absorption capability, making it suitable for protecting electronic devices from voltage transients.
  • Reliability: This varistor offers reliable protection against overvoltage events, ensuring the longevity of connected electronic equipment.
  • Response Time: It provides fast response to transient voltage spikes, effectively limiting the impact on the circuit.

Package

The B72210S2271K111 is typically available in a disc-shaped package, encapsulated in a flame-retardant material for safety.

Essence

The essence of this varistor lies in its ability to swiftly divert excess voltage away from sensitive components, preventing damage and ensuring the integrity of the circuit.

Packaging/Quantity

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

Specifications

  • Model: B72210S2271K111
  • Maximum Allowable Voltage: 275V
  • Nominal Varistor Voltage: 175V
  • Peak Current (8/20µs): 4500A
  • Operating Temperature Range: -40°C to +85°C
  • Lead Material: Tin-plated copper

Detailed Pin Configuration

The B72210S2271K111 features two axial leads for easy integration into circuit designs. The pin configuration is as follows: - Lead 1: Connected to the anode side of the varistor - Lead 2: Connected to the cathode side of the varistor

Functional Features

  • Overvoltage Protection: Effectively clamps excessive voltages to protect downstream components.
  • Fast Response: Rapid reaction time to transient voltage spikes ensures minimal impact on the circuit.
  • High Energy Absorption: Capable of dissipating significant amounts of energy during overvoltage events.

Advantages and Disadvantages

Advantages

  • Reliable overvoltage protection
  • Fast response time
  • High energy absorption capacity

Disadvantages

  • Limited to specific voltage ranges
  • Susceptible to degradation after multiple surge events

Working Principles

The B72210S2271K111 operates based on the principle of nonlinear resistance. When subjected to overvoltage conditions, the varistor conducts current, diverting the excess energy away from the protected circuit.

Detailed Application Field Plans

Power Supplies

In power supply units, the B72210S2271K111 can be employed to safeguard sensitive electronics from voltage fluctuations and lightning-induced surges.

Industrial Equipment

Industrial control systems and machinery benefit from the use of these varistors to mitigate the effects of power line disturbances and electrical noise.

Telecommunications

Telecommunication infrastructure often utilizes varistors like the B72210S2271K111 to protect against lightning strikes and voltage transients.

Detailed and Complete Alternative Models

  • B72210S251K101: Similar varistor with a higher maximum allowable voltage of 320V
  • B72210S301K101: Varistor offering a lower nominal varistor voltage of 190V for specific applications

In conclusion, the B72210S2271K111 varistor serves as a crucial component in electronic circuit protection, providing reliable overvoltage suppression and fast response times. Its application spans across various industries, ensuring the safety and longevity of electronic equipment.

[Word Count: 560]

Lista 10 Vanliga frågor och svar relaterade till tillämpningen av B72210S2271K111 i tekniska lösningar

  1. What is the B72210S2271K111 component used for in technical solutions?

    • The B72210S2271K111 is a varistor, commonly used for overvoltage protection in electronic circuits.

  2. What are the key specifications of the B72210S2271K111?

    • The B72210S2271K111 has a maximum AC voltage of 140V, a maximum DC voltage of 180V, and a maximum surge current of 4500A.

  3. How does the B72210S2271K111 protect electronic circuits from overvoltage?

    • The B72210S2271K111 varistor diverts excessive current away from sensitive components when an overvoltage condition occurs, thereby protecting the circuit.

  4. In what types of applications is the B72210S2271K111 commonly used?

    • The B72210S2271K111 is commonly used in power supplies, industrial equipment, and automotive electronics to protect against transient voltage spikes.

  5. What is the operating temperature range of the B72210S2271K111?

    • The B72210S2271K111 has an operating temperature range of -40°C to +85°C.

  6. Can the B72210S2271K111 be used in outdoor applications?

    • Yes, the B72210S2271K111 is suitable for outdoor applications as it has a high energy absorption capability and is designed to withstand harsh environmental conditions.

  7. Is the B72210S2271K111 lead-free and RoHS compliant?

    • Yes, the B72210S2271K111 is lead-free and complies with the Restriction of Hazardous Substances (RoHS) directive.

  8. What is the expected lifespan of the B72210S2271K111 in typical applications?

    • The B72210S2271K111 has a long lifespan and can provide reliable overvoltage protection for many years under normal operating conditions.

  9. Are there any specific mounting or installation considerations for the B72210S2271K111?

    • The B72210S2271K111 can be surface-mounted or through-hole mounted, and proper attention should be given to its thermal management during installation.

  10. Where can I find detailed application notes and technical documentation for the B72210S2271K111?

    • Detailed application notes and technical documentation for the B72210S2271K111 can be found on the manufacturer's website or by contacting their technical support team.