B72205S0461K311

Product Overview

Category:

The B72205S0461K311 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.

Characteristics:

• High energy absorption capacity
• Fast response time
• Wide operating temperature range
• Low leakage current

Package:

The B72205S0461K311 varistor is typically available in a disc-shaped package with lead wires for easy integration into circuit boards.

Essence:

The essence of this varistor lies in its ability to rapidly dissipate excess energy and protect sensitive electronic components from damage.

Packaging/Quantity:

These varistors are usually packaged in reels or trays and are available in various quantities depending on the manufacturer's specifications.

Specifications

• Model: B72205S0461K311
• Maximum Allowable Voltage: 460V
• Nominal Voltage: 275V
• Peak Current (8/20μs): 6500A
• Energy (10/1000μs): 2.5J
• Operating Temperature Range: -40°C to +85°C
• Lead Spacing: 7.5mm

Detailed Pin Configuration

The B72205S0461K311 varistor has two lead wires that are used for connection to the circuit. The lead spacing is 7.5mm, allowing for easy installation on standard PCB layouts.

Functional Features

• Overvoltage protection
• Fast response to transient surges
• High energy absorption capacity
• Reliable performance under varying environmental conditions

Advantages and Disadvantages

Advantages

• Effective protection against voltage spikes
• Wide operating temperature range
• Low leakage current
• Compact and easy to integrate into circuit designs

Disadvantages

• Limited maximum allowable voltage compared to some other varistor models
• Sensitive to prolonged exposure to high temperatures

Working Principles

The B72205S0461K311 varistor operates based on the principle of nonlinear resistance, where its resistance decreases as the applied voltage increases. This allows it to divert excess energy away from sensitive components, thereby protecting the circuit from damage.

Detailed Application Field Plans

Surge Protection:

• Used in power supply units to safeguard against lightning-induced surges
• Integrated into communication equipment to protect against voltage transients

Industrial Electronics:

• Employed in motor control circuits to mitigate voltage fluctuations
• Utilized in automation systems to shield sensitive controllers from electrical disturbances

Detailed and Complete Alternative Models

• B72205S0271K101
• B72205S0401K101
• B72205S0500K101
• B72205S0600K101

In summary, the B72205S0461K311 varistor offers reliable overvoltage protection with fast response times and high energy absorption capabilities. While it has certain limitations, its compact design and wide operating temperature range make it suitable for various electronic applications.

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