B72210S0400K101

Product Overview

Category

The B72210S0400K101 belongs to the category of varistors, which are electronic components used for voltage regulation and surge protection.

Use

This varistor is used to protect electronic circuits and devices from transient overvoltage conditions, such as lightning strikes and power surges.

Characteristics

• Voltage Regulation: The varistor can absorb excess voltage and limit it to a safe level.
• Fast Response Time: Provides rapid protection against voltage spikes.
• Compact Size: Allows for easy integration into electronic circuits.
• High Energy Absorption Capacity: Capable of handling high energy transients.

Package

The B72210S0400K101 varistor is typically available in a disc-shaped package with leads for soldering onto circuit boards.

Essence

The essence of this varistor lies in its ability to safeguard sensitive electronic equipment from damaging voltage surges.

Packaging/Quantity

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

Specifications

• Model: B72210S0400K101
• Maximum Allowable Voltage: 40V
• Peak Current Capability: 100A
• Energy Absorption: 360J
• Operating Temperature Range: -40°C to 85°C
• Lead Material: Tin-plated copper

Detailed Pin Configuration

The B72210S0400K101 varistor has two leads, typically denoted as the anode and cathode. The pin configuration is as follows: - Anode (A) - Positive lead - Cathode (K) - Negative lead

Functional Features

• Surge Protection: Absorbs excessive voltage to protect downstream electronic components.
• Fast Response: Reacts quickly to voltage spikes, minimizing potential damage.
• Reliability: Provides consistent performance over multiple surge events.

Advantages and Disadvantages

Advantages

• Effective Surge Protection: Safeguards sensitive electronics from voltage surges.
• Fast Response Time: Minimizes the duration of exposure to high voltages.
• Compact Size: Easy to integrate into various electronic designs.

Disadvantages

• Limited Lifespan: Varistors may degrade over time with repeated exposure to surges.
• Voltage Clamping: May introduce some level of voltage drop during normal operation.

Working Principles

The B72210S0400K101 varistor operates based on the principle of voltage-dependent resistance. When exposed to excessive voltage, the varistor's resistance decreases, allowing it to divert the excess energy away from the protected circuit.

Detailed Application Field Plans

Power Supplies

Used in power supply units to protect sensitive electronic components from voltage fluctuations and surges.

Telecommunications Equipment

Integrated into communication systems to prevent damage from lightning-induced surges and power line disturbances.

Industrial Control Systems

Utilized in industrial automation and control systems to safeguard against electrical transients and voltage spikes.

Detailed and Complete Alternative Models

• B72210S0400K101R: Similar varistor with extended operating temperature range.
• B72210S0400K102: Higher voltage rating variant for increased surge protection capacity.
• B72210S0400K100: Lower voltage rating variant suitable for specific applications.

In conclusion, the B72210S0400K101 varistor offers effective surge protection and fast response time, making it a crucial component in various electronic systems. Its compact size and high energy absorption capacity make it suitable for diverse applications, from consumer electronics to industrial machinery.

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