Viz Specifikace pro podrobnosti o produktu.
V47ZA20
Product Overview
Category
V47ZA20 belongs to the category of varistors, which are voltage-dependent resistors used to protect electrical circuits against excessive transient voltage.
Use
The V47ZA20 varistor is commonly used in electronic circuits to suppress voltage spikes and protect sensitive components from damage.
Characteristics
- Voltage Rating: 47V
- Maximum Allowable Voltage: 30Vrms
- Peak Current Capability: 4500A
- Energy Absorption: 100J
- Operating Temperature Range: -40°C to +85°C
Package
The V47ZA20 varistor is typically available in a disc-shaped package with leads for easy integration into circuit boards.
Essence
The essence of the V47ZA20 varistor lies in its ability to rapidly change resistance in response to changes in applied voltage, thereby protecting connected devices from voltage surges.
Packaging/Quantity
The V47ZA20 varistor is commonly packaged in reels or trays, with quantities varying based on manufacturer specifications.
Specifications
- Voltage Rating: 47V
- Maximum Allowable Voltage: 30Vrms
- Peak Current Capability: 4500A
- Energy Absorption: 100J
- Operating Temperature Range: -40°C to +85°C
Detailed Pin Configuration
The V47ZA20 varistor typically features two leads for connection to the circuit. The pin configuration may vary slightly based on the manufacturer's design, but it generally follows a standard leaded component layout.
Functional Features
- Rapid response to voltage fluctuations
- High energy absorption capability
- Reliable protection against transient voltage spikes
- Compact and easy to integrate into circuit designs
Advantages
- Effective protection of sensitive electronic components
- Wide operating temperature range
- High peak current capability
Disadvantages
- Limited lifespan under continuous high-energy events
- Susceptible to thermal runaway under extreme conditions
Working Principles
The V47ZA20 varistor operates based on the principle of voltage-dependent resistance. When a voltage surge occurs, the varistor's resistance decreases, diverting excess current away from the protected circuit.
Detailed Application Field Plans
The V47ZA20 varistor finds applications in various electronic systems, including: - Power supplies - Telecommunications equipment - Industrial control systems - Consumer electronics
Detailed and Complete Alternative Models
Some alternative models to the V47ZA20 varistor include: - V33ZA20 (33V) - V56ZA20 (56V) - V82ZA20 (82V)
In summary, the V47ZA20 varistor is a crucial component in safeguarding electronic circuits from voltage transients, offering reliable protection and high energy absorption capabilities across a wide range of applications.
Word Count: 411
Seznam 10 běžných otázek a odpovědí souvisejících s aplikací V47ZA20 v technických řešeních
What is V47ZA20?
- V47ZA20 is a type of varistor, which is an electronic component used to protect circuits from overvoltage conditions.
What are the key specifications of V47ZA20?
- V47ZA20 has a maximum voltage rating of 47V and a peak current capability of 2500A.
How is V47ZA20 used in technical solutions?
- V47ZA20 is commonly used in surge protection applications to suppress transient voltage spikes and protect sensitive electronic components.
What are the typical applications for V47ZA20?
- V47ZA20 is often used in power supplies, telecommunications equipment, industrial controls, and consumer electronics to safeguard against voltage surges.
How does V47ZA20 compare to other varistors in terms of performance?
- V47ZA20 offers reliable overvoltage protection with its specific voltage and current ratings, making it suitable for various technical solutions.
What are the temperature and environmental considerations for using V47ZA20?
- V47ZA20 operates within a specified temperature range and is designed to withstand typical environmental conditions encountered in electronic systems.
Are there any precautions to consider when integrating V47ZA20 into a circuit?
- It's important to ensure proper voltage derating and thermal management to maximize the effectiveness and longevity of V47ZA20 in a given application.
Can V47ZA20 be used in automotive electronics?
- Yes, V47ZA20 can be utilized in automotive electronics to protect against voltage transients caused by factors such as load dumps and ESD events.
What are the failure modes of V47ZA20 and how can they be mitigated?
- Common failure modes include degradation due to prolonged exposure to overvoltage conditions. Proper circuit design and periodic testing can help mitigate these risks.
Where can V47ZA20 be sourced and what are the typical pricing considerations?
- V47ZA20 can be sourced from electronic component distributors and manufacturers. Pricing may vary based on quantity, packaging, and supplier agreements.