B72280B0421K001 - Product Overview
Introduction
The B72280B0421K001 is a component belonging to the category of varistors, commonly used for voltage clamping and transient surge protection in electronic circuits. This entry provides an overview of the basic information, specifications, pin configuration, functional features, advantages and disadvantages, working principles, application field plans, and alternative models of the B72280B0421K001.
Basic Information Overview
- Category: Varistors
- Use: Voltage clamping and transient surge protection in electronic circuits
- Characteristics: High energy absorption capacity, fast response time, compact size
- Package: Radial leaded disc
- Essence: Protection against voltage spikes and surges
- Packaging/Quantity: Typically available in reels or bulk packaging
Specifications
- Part Number: B72280B0421K001
- Maximum Allowable Voltage: 42V
- Nominal Discharge Current (8/20µs): 100A
- Energy Absorption Capability (2ms): 0.6J
- Operating Temperature Range: -40°C to +85°C
- Dimensions: 7mm diameter
Detailed Pin Configuration
The B72280B0421K001 varistor has a radial leaded disc package with two leads for through-hole mounting. The pin configuration is as follows: - Pin 1: Anode - Pin 2: Cathode
Functional Features
- Voltage Clamping: Provides protection by diverting excessive current when the voltage exceeds the threshold.
- Transient Surge Protection: Absorbs and dissipates transient energy caused by voltage spikes.
Advantages and Disadvantages
Advantages
- Fast response time
- High energy absorption capability
- Compact size
Disadvantages
- Limited maximum allowable voltage
- Susceptible to degradation after multiple surge events
Working Principles
The B72280B0421K001 operates based on the principle of non-linear resistance, where its resistance decreases as the voltage across it increases. When subjected to a surge or spike, the varistor conducts current, limiting the voltage across the protected circuit.
Detailed Application Field Plans
The B72280B0421K001 is widely used in various applications, including: - Power supplies - Telecommunication equipment - Industrial control systems - Consumer electronics
Detailed and Complete Alternative Models
Some alternative models to the B72280B0421K001 include: - B72280B0421K101 - B72280B0421K201 - B72280B0421K501
In conclusion, the B72280B0421K001 varistor offers effective voltage clamping and transient surge protection in electronic circuits, making it a crucial component in ensuring the reliability and longevity of electronic devices.
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What is the B72280B0421K001 component used for in technical solutions?
- The B72280B0421K001 is a varistor, commonly used to protect electronic circuits from overvoltage and transient surges.
What are the key specifications of the B72280B0421K001?
- The B72280B0421K001 has a voltage rating of 420V, a maximum surge current of 8000A, and a capacitance of 670pF.
How does the B72280B0421K001 protect electronic circuits?
- When an overvoltage or surge occurs, the varistor conducts current and diverts the excess energy away from the sensitive components, thereby protecting the circuit.
In what types of applications is the B72280B0421K001 commonly used?
- This varistor is often used in power supplies, industrial equipment, consumer electronics, and telecommunications devices to safeguard against voltage spikes.
What are the temperature and humidity operating ranges for the B72280B0421K001?
- The varistor can operate within a temperature range of -40°C to +85°C and at a relative humidity of up to 85%.
Can the B72280B0421K001 be used in automotive applications?
- Yes, this varistor is suitable for automotive electronics, providing protection against voltage transients in vehicle systems.
Is the B72280B0421K001 lead-free and compliant with RoHS regulations?
- Yes, the B72280B0421K001 is lead-free and complies with RoHS directives, making it environmentally friendly.
What is the typical lifespan of the B72280B0421K001 in continuous operation?
- Under normal operating conditions, the varistor has a long lifespan, typically exceeding 10 years.
Are there any specific soldering or mounting considerations for the B72280B0421K001?
- It is recommended to follow the manufacturer's guidelines for soldering and mounting to ensure proper performance and reliability.
Where can I find detailed application notes and technical documentation for the B72280B0421K001?
- Detailed application notes and technical documentation for the B72280B0421K001 can be obtained from the manufacturer's website or through authorized distributors.