B72205S0131K211

Product Overview

Category

The B72205S0131K211 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

• High energy absorption capacity
• Fast response time
• Wide operating temperature range
• Compact size

Package

The B72205S0131K211 varistor is typically available in a cylindrical 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 during voltage surges, thereby protecting connected devices.

Packaging/Quantity

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

Specifications

• Model: B72205S0131K211
• Voltage Rating: 130V
• Nominal Discharge Current: 5kA
• Maximum Energy Absorption: 110J
• Operating Temperature Range: -40°C to 85°C

Detailed Pin Configuration

The B72205S0131K211 varistor typically features two lead wires for connection to the circuit board. The pin configuration may vary slightly based on the manufacturer's specifications.

Functional Features

• Voltage Clamping: When the voltage across the varistor exceeds its rated value, it rapidly changes from a high impedance state to a low impedance state, effectively clamping the voltage to a safe level.
• Transient Suppression: The varistor quickly absorbs and dissipates transient energy, preventing it from reaching sensitive components in the circuit.

Advantages and Disadvantages

Advantages

• Effective protection against voltage surges
• Fast response time
• Compact design for space-constrained applications

Disadvantages

• Limited lifespan under repeated surge events
• Susceptible to thermal aging effects

Working Principles

The B72205S0131K211 varistor operates based on the principle of voltage-dependent 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 B72205S0131K211 varistor can be employed to safeguard sensitive electronics from voltage transients originating from the mains supply.

Industrial Control Systems

Within industrial control systems, these varistors can protect PLCs, motor drives, and other critical equipment from voltage spikes induced by electromagnetic interference or lightning strikes.

Consumer Electronics

In consumer electronics such as televisions and home appliances, the varistor serves to shield delicate circuitry from power line disturbances and lightning-induced surges.

Detailed and Complete Alternative Models

• B72205S0271K101
• B72205S0500K101
• B72205S1000K101

In conclusion, the B72205S0131K211 varistor offers effective transient voltage suppression and finds widespread application in various electronic systems, providing crucial protection against overvoltage events.

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