V420LS40CPX2855 Encyclopedia Entry
Product Overview
Category
The V420LS40CPX2855 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: Provides protection against voltage spikes and surges.
- Fast Response Time: Rapidly clamps transient voltages to safe levels.
- Low Clamping Voltage: Ensures minimal impact on the protected circuit during transient events.
- High Surge Current Capability: Can handle high surge currents without degradation.
Package
The V420LS40CPX2855 is typically available in a surface mount package, such as SMC (DO-214AB), which facilitates easy integration onto circuit boards.
Essence
The essence of the V420LS40CPX2855 lies in its ability to safeguard electronic circuits from potentially damaging voltage transients, thereby enhancing the reliability and longevity of electronic devices.
Packaging/Quantity
These diodes are commonly packaged in reels or tape and reel format, with quantities varying based on manufacturer specifications.
Specifications
- Standoff Voltage: 420V
- Peak Pulse Power: 2855W
- Breakdown Voltage: 467V
- Clamping Voltage: 678V
- Maximum Reverse Leakage Current: 1µA at 350V
- Operating Temperature Range: -55°C to 150°C
Detailed Pin Configuration
The V420LS40CPX2855 TVS diode typically features a standard pin configuration with two terminals for connection to the circuit. The specific pinout can be obtained from the manufacturer's datasheet.
Functional Features
- Transient Voltage Suppression: Effectively clamps transient voltages to protect downstream components.
- Fast Response: Rapidly responds to transient events to limit voltage excursions.
- Low Leakage Current: Minimizes power dissipation during normal operation.
- Robust Construction: Designed to withstand multiple transient events without degradation.
Advantages and Disadvantages
Advantages
- Effective protection against voltage transients
- Fast response time
- Low clamping voltage
- High surge current capability
Disadvantages
- May exhibit some capacitance, affecting high-frequency signal integrity
- Requires careful consideration of placement and layout for optimal performance
Working Principles
The V420LS40CPX2855 operates based on the principle of avalanche breakdown, where it rapidly conducts when the voltage across it exceeds the breakdown voltage, effectively shunting excess current away from the protected circuit.
Detailed Application Field Plans
The V420LS40CPX2855 is widely used in various applications, including: - Consumer electronics - Telecommunications equipment - Industrial control systems - Automotive electronics - Power supplies
Detailed and Complete Alternative Models
- Alternative Model 1: V480LS40CPX2855
- Similar specifications with higher standoff voltage
- Alternative Model 2: V375LS40CPX2855
- Lower standoff voltage with similar characteristics
- Alternative Model 3: P6SMBJ420CA
- SMB package alternative with comparable performance
In conclusion, the V420LS40CPX2855 transient voltage suppressor diode offers robust protection against transient voltage events, making it an essential component in safeguarding sensitive electronic circuits across various industries.
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Lista 10 Vanliga frågor och svar relaterade till tillämpningen av V420LS40CPX2855 i tekniska lösningar
What is V420LS40CPX2855?
- V420LS40CPX2855 is a varistor component used for overvoltage protection in electronic circuits.
How does V420LS40CPX2855 work?
- V420LS40CPX2855 works by rapidly changing its resistance in response to voltage changes, effectively diverting excess voltage away from sensitive components.
What are the typical applications of V420LS40CPX2855?
- V420LS40CPX2855 is commonly used in power supplies, industrial equipment, and consumer electronics to protect against voltage surges and transients.
What are the key specifications of V420LS40CPX2855?
- The V420LS40CPX2855 typically has a maximum continuous voltage rating of 420V, a peak current capability of 8/20µs, and a clamping voltage of 775V at 8/20µs.
How do I select the right V420LS40CPX2855 for my application?
- When selecting a V420LS40CPX2855, consider the operating voltage, maximum surge current, and energy absorption requirements of your specific application.
Can V420LS40CPX2855 be used in automotive applications?
- Yes, V420LS40CPX2855 can be used in automotive applications to protect sensitive electronic systems from voltage spikes and transients.
What are the temperature considerations for V420LS40CPX2855?
- V420LS40CPX2855 is designed to operate within a specified temperature range, typically from -40°C to +85°C, ensuring reliable performance in various environments.
Is V420LS40CPX2855 RoHS compliant?
- Yes, V420LS40CPX2855 is RoHS compliant, meeting environmental standards for lead-free and hazardous substance-free manufacturing.
Are there any recommended layout or mounting considerations for V420LS40CPX2855?
- It is recommended to follow the manufacturer's guidelines for PCB layout and mounting to optimize the performance and reliability of V420LS40CPX2855.
Where can I purchase V420LS40CPX2855 components?
- V420LS40CPX2855 components can be purchased from authorized distributors, electronics suppliers, and online marketplaces specializing in electronic components.