B72210S0421K501

Product Overview

Category

The B72210S0421K501 belongs to the category of varistors, which are electronic components used for voltage regulation and surge protection.

Use

This varistor is commonly used in electronic circuits to protect sensitive components from voltage spikes and transient overvoltage conditions.

Characteristics

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

Package

The B72210S0421K501 varistor is typically available in a disc-shaped package with lead wires for easy integration into circuit designs.

Essence

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

Packaging/Quantity

The varistor is usually packaged in reels or trays, and the quantity per package varies based on the manufacturer's specifications.

Specifications

• Voltage Rating: 420V
• Peak Current (8/20μs): 6500A
• Maximum Energy (10/1000μs): 2.5J
• Operating Temperature Range: -40°C to +85°C
• Lead Spacing: 7.5mm

Detailed Pin Configuration

The B72210S0421K501 varistor has two lead wires for connection to the circuit. The pin configuration is as follows: - Pin 1: Anode - Pin 2: Cathode

Functional Features

• Rapid response to voltage surges
• High energy absorption capacity
• Low leakage current
• Stable performance over a wide temperature range

Advantages

• Effective protection against voltage transients
• Reliable performance in demanding environments
• RoHS compliance for environmental sustainability

Disadvantages

• Limited lifespan under continuous high-stress conditions
• Susceptibility to thermal runaway if subjected to prolonged overvoltage conditions

Working Principles

The varistor operates based on the principle of nonlinear resistance, where its resistance decreases with increasing voltage. When a voltage surge occurs, the varistor conducts and diverts the excess energy away from the protected circuit, thus preventing damage to sensitive components.

Detailed Application Field Plans

The B72210S0421K501 varistor finds extensive use in various applications, including: - Power supply units - Industrial equipment - Telecommunications systems - Automotive electronics - Consumer electronics

Detailed and Complete Alternative Models

Some alternative models to the B72210S0421K501 varistor include: - B72210S0271K101 - B72210S0301K101 - B72210S0331K101

In conclusion, the B72210S0421K501 varistor offers reliable surge protection and voltage regulation capabilities, making it an essential component in numerous electronic applications.

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