B72220Q0211K101

Product Overview

Category

The B72220Q0211K101 belongs to the category of varistors, which are electronic components used for protecting circuits from overvoltage conditions.

Use

This varistor is commonly used in electronic circuits to suppress voltage spikes and protect sensitive components from damage.

Characteristics

• Voltage Suppression: Capable of clamping excessive voltage levels to protect connected devices.
• Fast Response Time: Quickly responds to voltage surges to prevent damage.
• Reliable Performance: Provides consistent protection over multiple surge events.
• Compact Size: Suitable for integration into various electronic devices.

Package

The B72220Q0211K101 varistor is typically available in a cylindrical package, making it easy to integrate into circuit designs.

Essence

The essence of this varistor lies in its ability to safeguard electronic circuits from voltage transients and surges, ensuring the longevity and reliability of connected devices.

Packaging/Quantity

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

Specifications

• Part Number: B72220Q0211K101
• Maximum Allowable Voltage: 130V
• Nominal Voltage: 85V
• Peak Current (8/20µs): 4500A
• Energy (10/1000µs): 2.5J
• Operating Temperature Range: -40°C to +85°C
• Lead Material: Tin-plated copper

Detailed Pin Configuration

The B72220Q0211K101 varistor typically features two leads for connection within a circuit. The pin configuration may vary based on the specific manufacturer's design, but generally follows a standard leaded component layout.

Functional Features

• Voltage Clamping: When the voltage across the varistor exceeds its threshold, it rapidly conducts current to limit the voltage to a safe level.
• Transient Protection: Effectively absorbs and dissipates energy from transient voltage spikes, protecting downstream components.
• Non-linear Response: Exhibits a non-linear voltage-current characteristic, providing effective suppression of overvoltage events.

Advantages and Disadvantages

Advantages

• Effective protection against voltage transients
• Fast response time
• Compact size for easy integration
• Reliable performance over multiple surge events

Disadvantages

• Limited lifespan under repetitive high-energy surges
• Susceptible to thermal runaway under extreme conditions

Working Principles

The B72220Q0211K101 varistor operates based on the principle of voltage-dependent resistance. Under normal operating conditions, it exhibits a high resistance. However, when subjected to excessive voltage, it rapidly transitions to a low-resistance state, effectively diverting the excess energy away from the protected circuit.

Detailed Application Field Plans

Power Supplies

Utilized in power supply units to protect sensitive electronic components from voltage spikes and surges.

Telecommunications Equipment

Integrated into telecommunications devices to safeguard against transient voltage events that could disrupt operation.

Industrial Control Systems

Deployed in industrial control systems to ensure the reliability and longevity of critical electronic components.

Automotive Electronics

Incorporated into automotive electronics to protect against voltage fluctuations and electrical disturbances.

Detailed and Complete Alternative Models

• B72220S0271K101: Similar varistor with higher maximum allowable voltage
• B72220S0301K101: Varistor with lower nominal voltage and energy rating
• B72220S0381K101: Higher energy handling capacity varistor suitable for demanding applications

Note: The alternative models listed above are indicative and may vary based on specific requirements and availability.

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This comprehensive entry provides an in-depth understanding of the B72220Q0211K101 varistor, covering its basic information, specifications, functional features, advantages, disadvantages, working principles, application field plans, and alternative models.