B72220T2141K101
Product Overview
Category
The B72220T2141K101 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
- Voltage Regulation: The varistor can quickly respond to overvoltage conditions, diverting excess current away from sensitive components.
- High Energy Absorption: Capable of absorbing high levels of energy during transient events.
- Reliability: Designed for long-term use and consistent performance.
- Compact Package: Small form factor for easy integration into electronic circuits.
Package
The B72220T2141K101 varistor is typically available in a cylindrical package with lead wires for easy soldering onto circuit boards.
Packaging/Quantity
Varistors are commonly packaged in reels or trays, with quantities varying based on manufacturer specifications.
Specifications
- Model: B72220T2141K101
- Maximum Allowable Voltage: 140V
- Nominal Varistor Voltage: 95V
- Peak Current (8/20µs): 2500A
- Operating Temperature Range: -40°C to 85°C
- Dimensions: 7mm diameter, 10mm length
Detailed Pin Configuration
The varistor has two lead wires for connection to the circuit. The pin configuration is as follows: - Pin 1: Anode - Pin 2: Cathode
Functional Features
- Surge Protection: Provides effective protection against voltage surges and transients.
- Fast Response Time: Rapidly clamps excessive voltage to protect downstream components.
- Low Leakage Current: Minimizes power consumption during normal operation.
Advantages and Disadvantages
Advantages
- Effective surge protection
- Fast response time
- Compact size
Disadvantages
- Limited maximum allowable voltage
- Sensitive to prolonged overvoltage conditions
Working Principles
The varistor operates based on the principle of voltage-dependent resistance. When the voltage across the varistor exceeds its nominal voltage, its resistance decreases significantly, allowing it to conduct large currents and divert excess energy away from the protected circuit.
Detailed Application Field Plans
The B72220T2141K101 varistor is widely used in various electronic applications, including: - Power supplies - Telecommunications equipment - Industrial control systems - Consumer electronics
Detailed and Complete Alternative Models
- B72220T2141K102
- B72220T2141K103
- B72220T2141K104
These alternative models offer similar surge protection capabilities with variations in nominal voltage and maximum allowable voltage ratings.
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What is the B72220T2141K101 component used for in technical solutions?
- The B72220T2141K101 is a varistor, commonly used to protect electronic circuits from overvoltage and transient surges.
What are the key specifications of the B72220T2141K101?
- The B72220T2141K101 has a voltage rating of 140V, a maximum surge current of 2500A, and a capacitance of 1000pF.
How does the B72220T2141K101 protect electronic circuits?
- When an overvoltage or surge occurs, the varistor's resistance decreases, diverting excess current away from the circuit and protecting it from damage.
In what types of applications is the B72220T2141K101 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 considerations for using the B72220T2141K101?
- The B72220T2141K101 operates within a temperature range of -40°C to +85°C and should be stored in a dry environment to prevent moisture absorption.
Can the B72220T2141K101 be used in automotive applications?
- Yes, this varistor is suitable for automotive electronics, providing protection against voltage transients in vehicle systems.
Are there any recommended soldering or mounting techniques for the B72220T2141K101?
- It is advisable to follow the manufacturer's guidelines for soldering and mounting to ensure proper performance and reliability.
What is the expected lifespan of the B72220T2141K101 in typical operating conditions?
- Under normal operating conditions, the B72220T2141K101 has a long lifespan, but it may degrade over time with repeated exposure to high-energy transients.
Does the B72220T2141K101 require any additional protective measures in high-voltage environments?
- In high-voltage environments, it is recommended to use the varistor in conjunction with other protective components to provide comprehensive overvoltage protection.
Where can I find detailed application notes and technical resources for integrating the B72220T2141K101 into my design?
- Detailed application notes and technical resources for the B72220T2141K101 can be found on the manufacturer's website or by contacting their technical support team.