EPCOS (TDK)
L'immagine può essere rappresentativa.
Vedi le specifiche per i dettagli del prodotto.
B72210S0381K551
vedi dettagli Schede tecniche

B72210S0381K551

Product Overview

Category

The B72210S0381K551 belongs to the category of varistors, which are electronic components used for suppressing voltage surges in electrical circuits.

Use

It is used to protect sensitive electronic devices and circuits from transient overvoltage conditions.

Characteristics

  • High energy absorption capability
  • Fast response time
  • Wide operating temperature range
  • RoHS compliant

Package

The B72210S0381K551 is typically available in a disc-shaped package with leads for easy integration into circuit boards.

Essence

The essence of this product lies in its ability to rapidly absorb and dissipate high-energy transient surges, thereby safeguarding connected electronic equipment.

Packaging/Quantity

It is commonly packaged in reels or trays and is available in varying quantities depending on the manufacturer's specifications.

Specifications

  • Maximum Continuous Voltage: 240V
  • Varistor Voltage: 385V
  • Peak Current (8/20μs): 6000A
  • Operating Temperature Range: -40°C to 85°C
  • Capacitance: 1000pF

Detailed Pin Configuration

The B72210S0381K551 has two leads for connection to the circuit. The pin configuration is as follows: - Pin 1: Anode - Pin 2: Cathode

Functional Features

  • Surge protection
  • Transient voltage suppression
  • Overvoltage clamping

Advantages

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

Disadvantages

  • Limited lifespan after repeated surges
  • Can degrade over time with exposure to high-energy transients

Working Principles

When an overvoltage condition occurs, the varistor conducts current, diverting the excess energy away from the protected circuit. This action helps to limit the voltage across the circuit and prevent damage to sensitive components.

Detailed Application Field Plans

The B72210S0381K551 is widely used in various applications, including: - Power supplies - Telecommunications equipment - Industrial control systems - Consumer electronics

Detailed and Complete Alternative Models

Some alternative models to the B72210S0381K551 include: - B72210S0271K101 - B72210S0401K101 - B72210S0501K101

In conclusion, the B72210S0381K551 varistor offers reliable surge protection for a wide range of electronic applications, making it an essential component in safeguarding sensitive circuits from transient overvoltage events.

[Word Count: 343]

10 domande e risposte comuni relative all'applicazione di B72210S0381K551 nelle soluzioni tecniche

  1. What is the B72210S0381K551?

    • The B72210S0381K551 is a type of varistor, also known as a voltage-dependent resistor, used to protect electrical and electronic devices from overvoltage.

  2. What are the key specifications of the B72210S0381K551?

    • The B72210S0381K551 has a maximum AC voltage of 250V, a maximum DC voltage of 320V, and a nominal varistor voltage of 275V.

  3. How does the B72210S0381K551 function in technical solutions?

    • The B72210S0381K551 acts as a voltage regulator by rapidly changing its resistance with changes in applied voltage, thereby diverting excess current away from sensitive components.

  4. In what applications can the B72210S0381K551 be used?

    • The B72210S0381K551 is commonly used in power supplies, industrial equipment, automotive electronics, and telecommunications systems to protect against transient voltage spikes.

  5. What are the advantages of using the B72210S0381K551 in technical solutions?

    • The B72210S0381K551 provides reliable overvoltage protection, fast response times, and high energy absorption capabilities, making it ideal for safeguarding sensitive electronic components.

  6. How should the B72210S0381K551 be connected in a circuit?

    • The B72210S0381K551 should be connected in parallel with the load or component to be protected, ensuring that it can shunt excess voltage away from the sensitive device.

  7. What are the typical failure modes of the B72210S0381K551?

    • The B72210S0381K551 can fail due to prolonged exposure to overvoltage conditions, excessive current surges, or mechanical damage, leading to a decrease in its protective capabilities.

  8. Are there any temperature considerations when using the B72210S0381K551?

    • Yes, the B72210S0381K551's performance can be affected by temperature, so it's important to consider its operating temperature range and derating guidelines for optimal protection.

  9. Can multiple B72210S0381K551 varistors be used in parallel for increased protection?

    • Yes, multiple B72210S0381K551 varistors can be connected in parallel to enhance overvoltage protection and distribute the current across the varistors.

  10. What are the industry standards or certifications associated with the B72210S0381K551?

    • The B72210S0381K551 may comply with international standards such as IEC 61051, UL 1449, and RoHS, ensuring its reliability and safety in various technical solutions.