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V420LC40BPX2855 Encyclopedia Entry
Product Overview
Category
The V420LC40BPX2855 belongs to the category of transient voltage suppressor (TVS) diodes.
Use
It is used for protecting sensitive electronic components from voltage transients induced by lightning, electrostatic discharge (ESD), and other transient voltage events.
Characteristics
- Voltage Suppression: Capable of suppressing high voltage transients.
- Fast Response Time: Provides rapid response to transient events.
- Low Clamping Voltage: Ensures that the protected circuitry is not subjected to excessive voltage levels.
- High Surge Current Capability: Can handle high surge currents without degradation.
Package
The V420LC40BPX2855 is typically available in a surface mount package, such as the SMB (DO-214AA) package.
Essence
The essence of the V420LC40BPX2855 lies in its ability to protect sensitive electronic circuits from voltage transients, thereby enhancing the reliability and longevity of electronic devices.
Packaging/Quantity
It is commonly packaged in reels or tape and reel format, with quantities varying based on manufacturer specifications.
Specifications
- Peak Pulse Power: 400W
- Standoff Voltage: 28.55V
- Breakdown Voltage: 31.7V
- Clamping Voltage: 45.7V
- Maximum Reverse Leakage Current: 1µA
- Operating Temperature Range: -55°C to 150°C
Detailed Pin Configuration
The V420LC40BPX2855 typically has two pins, with the anode and cathode connections clearly marked on the device. The pin configuration is as follows: - Pin 1: Anode - Pin 2: Cathode
Functional Features
- Transient Voltage Suppression: Effectively clamps transient voltages to safe levels.
- Fast Response: Rapid reaction to transient events ensures minimal impact on the protected circuitry.
- Low Leakage Current: Maintains low reverse leakage current under normal operating conditions.
Advantages and Disadvantages
Advantages
- Effective protection against transient voltage events.
- Fast response time.
- Low clamping voltage.
- High surge current capability.
Disadvantages
- May require additional circuitry for comprehensive ESD protection.
Working Principles
The V420LC40BPX2855 operates based on the principle of avalanche breakdown, where it rapidly conducts when subjected to high voltage transients, diverting the excess energy away from the protected circuitry.
Detailed Application Field Plans
The V420LC40BPX2855 is widely used in various applications, including: - Consumer electronics - Telecommunications equipment - Industrial control systems - Automotive electronics - Power supplies
Detailed and Complete Alternative Models
Some alternative models to the V420LC40BPX2855 include: - SMAJ28A: Similar TVS diode with SMA package - P6SMB30CA: TVS diode with higher power rating - 1.5KE33CA: TVS diode with axial lead package
In conclusion, the V420LC40BPX2855 transient voltage suppressor diode offers effective protection against transient voltage events, with fast response time and low clamping voltage, making it suitable for a wide range of electronic applications.
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What is V420LC40BPX2855?
- V420LC40BPX2855 is a type of varistor, also known as a voltage-dependent resistor, which is used to protect electronic circuits from overvoltage conditions.
How does V420LC40BPX2855 work?
- V420LC40BPX2855 works by rapidly changing its resistance in response to changes in voltage, effectively diverting excess current away from sensitive components.
What are the typical applications of V420LC40BPX2855?
- V420LC40BPX2855 is commonly used in surge protection devices, power supplies, telecommunications equipment, and industrial control systems to safeguard against voltage spikes and surges.
What are the key specifications of V420LC40BPX2855?
- The V420LC40BPX2855 typically has a maximum continuous voltage rating of 420V, a peak current capability of 8/20μs, and a clamping voltage of 680V at 10A.
How do I select the right V420LC40BPX2855 for my application?
- When selecting a V420LC40BPX2855, consider the operating voltage, maximum surge current, response time, and energy absorption capabilities to ensure it meets the requirements of your specific application.
Can V420LC40BPX2855 be used in outdoor environments?
- Yes, V420LC40BPX2855 is suitable for outdoor use and can withstand a wide range of environmental conditions, making it ideal for outdoor equipment and installations.
What are the advantages of using V420LC40BPX2855 in technical solutions?
- V420LC40BPX2855 provides reliable overvoltage protection, fast response times, low leakage current, and high energy absorption capabilities, making it an effective solution for safeguarding sensitive electronics.
Are there any limitations or considerations when using V420LC40BPX2855?
- It's important to consider the operating temperature range, derating guidelines, and potential aging effects when integrating V420LC40BPX2855 into a technical solution.
Can V420LC40BPX2855 be used in conjunction with other protective components?
- Yes, V420LC40BPX2855 can be used in combination with other protective components such as fuses, transient voltage suppressors, and circuit breakers to create a comprehensive protection system.
Where can I purchase V420LC40BPX2855 for my technical solution?
- V420LC40BPX2855 varistors are available from authorized distributors, electronic component suppliers, and manufacturers specializing in surge protection devices.