V47ZA20P
Product Overview
Category
V47ZA20P belongs to the category of varistors, which are voltage-dependent resistors used to protect circuits against excessive transient voltage.
Use
The V47ZA20P varistor is commonly used in electronic circuits to suppress voltage spikes and protect sensitive components from damage.
Characteristics
- Voltage-dependent resistance
- Fast response time
- High energy absorption capability
- Compact size
Package
The V47ZA20P varistor is typically available in a disc-shaped package with leads for easy integration into circuit boards.
Essence
The essence of the V47ZA20P 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 V47ZA20P varistor is usually packaged in reels or trays, with quantities varying based on manufacturer specifications.
Specifications
- Maximum Allowable Voltage: 47V
- Peak Current Capability: 1000A
- Energy Absorption: 20J
- Operating Temperature Range: -40°C to 85°C
- Lead Material: Tin-plated copper
Detailed Pin Configuration
The V47ZA20P varistor typically features two leads, with one lead connected to each end of the disc-shaped component. The pin configuration allows for easy soldering onto circuit boards.
Functional Features
- Voltage clamping
- Transient voltage suppression
- Overvoltage protection
- Surge absorption
Advantages
- Effective protection against voltage spikes
- Fast response time
- Wide operating temperature range
- Compact and versatile design
Disadvantages
- Limited lifespan after repeated voltage surges
- Sensitivity to extreme environmental conditions
Working Principles
When the voltage across the varistor exceeds its specified threshold, the varistor's resistance decreases rapidly, diverting excess current away from the protected circuit. This action helps prevent damage to sensitive components.
Detailed Application Field Plans
The V47ZA20P varistor finds applications in various fields, including: - Power supply units - Telecommunications equipment - Industrial control systems - Consumer electronics - Automotive electronics
Detailed and Complete Alternative Models
- V14ZA20P: Lower voltage rating, suitable for less demanding applications.
- V82ZA20P: Higher voltage rating, ideal for industrial power distribution systems.
- V20ZA20P: Medium voltage rating, commonly used in consumer electronics.
In conclusion, the V47ZA20P varistor offers reliable overvoltage protection and transient voltage suppression for a wide range of electronic applications, making it an essential component in modern circuit design.
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技術ソリューションにおける V47ZA20P の適用に関連する 10 件の一般的な質問と回答をリストします。
What is V47ZA20P?
- V47ZA20P is a type of varistor, also known as a voltage-dependent resistor, which is commonly used to protect electronic circuits from overvoltage conditions.
What are the key specifications of V47ZA20P?
- V47ZA20P has a maximum AC voltage of 30V, a maximum DC voltage of 38V, and a peak current of 8000A.
How does V47ZA20P protect electronic circuits?
- V47ZA20P acts as a voltage regulator by rapidly changing its resistance in response to changes in applied voltage, thereby diverting excess current away from sensitive components.
In what applications is V47ZA20P commonly used?
- V47ZA20P is often utilized in power supplies, telecommunication equipment, industrial controls, and consumer electronics to safeguard against transient voltage spikes.
What is the operating temperature range of V47ZA20P?
- V47ZA20P typically operates within a temperature range of -40°C to 85°C, making it suitable for various environmental conditions.
How should V47ZA20P be connected in a circuit?
- V47ZA20P should be connected in parallel with the load or component that needs protection, ensuring that it can shunt excess voltage when necessary.
Can V47ZA20P be used in automotive applications?
- Yes, V47ZA20P is suitable for automotive electronics to provide surge protection for sensitive systems such as engine control units and infotainment systems.
What is the expected lifespan of V47ZA20P?
- Under normal operating conditions, V47ZA20P has a long lifespan and can withstand numerous transient events before needing replacement.
Does V47ZA20P require any special handling during installation?
- V47ZA20P should be handled with care to avoid static discharge, and proper soldering techniques should be followed to ensure reliable connections.
Are there any alternatives to V47ZA20P for overvoltage protection?
- Yes, other varistors with different voltage and current ratings, as well as other protective devices like TVS diodes, can be considered based on specific application requirements.