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B72210S0621K351 - Product Encyclopedia Entry
Introduction
The B72210S0621K351 is a component belonging to the category of varistors, commonly used for voltage clamping and transient surge protection in electronic circuits. This entry provides an overview of its basic information, specifications, pin configuration, functional features, advantages and disadvantages, working principles, application field plans, and alternative models.
Basic Information Overview
- Category: Varistors
- Use: Voltage clamping and transient surge protection
- Characteristics: High energy absorption capability, fast response time, compact size
- Package: Radial leaded disc
- Essence: Protects electronic circuits from voltage spikes and transients
- Packaging/Quantity: Typically available in reels or bulk packaging
Specifications
- Model: B72210S0621K351
- Voltage Rating: 350V
- Nominal Discharge Current (8/20µs): 6000A
- Maximum Energy (2ms): 3J
- Operating Temperature Range: -40°C to +85°C
- Dimensions: 7mm diameter, 5.5mm height
Detailed Pin Configuration
The B72210S0621K351 varistor has two radial leads for through-hole mounting. The pinout configuration is as follows: - Pin 1: Anode - Pin 2: Cathode
Functional Features
- Voltage Clamping: Provides effective protection by clamping excessive voltage levels.
- Transient Surge Protection: Rapidly responds to transient surges, safeguarding sensitive electronic components.
- High Energy Absorption: Capable of dissipating high energy during surge events.
Advantages and Disadvantages
Advantages
- Fast response time
- Compact size
- High energy absorption capability
Disadvantages
- Limited maximum energy handling capacity
- Voltage-dependent nonlinear behavior
Working Principles
The B72210S0621K351 operates based on the principle of non-linear resistance, where its resistance decreases with increasing voltage. When subjected to a surge, it effectively diverts excess current away from the protected circuit, limiting the voltage across it.
Detailed Application Field Plans
The B72210S0621K351 is widely employed in various applications, including: - Power supplies - Telecommunication equipment - Industrial control systems - Consumer electronics - Automotive electronics
Detailed and Complete Alternative Models
Some alternative models to the B72210S0621K351 include: - B72210S0351K101 - B72210S0321K101 - B72210S0271K101 - B72210S0251K101
In conclusion, the B72210S0621K351 varistor offers efficient voltage clamping and transient surge protection for electronic circuits, making it a crucial component in diverse applications.
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What is the B72210S0621K351?
- The B72210S0621K351 is a specific type of varistor, which is a voltage-dependent resistor used to protect electrical circuits from overvoltage conditions.
What are the key specifications of B72210S0621K351?
- The B72210S0621K351 has a maximum AC voltage of 130V, a maximum DC voltage of 175V, and a nominal varistor voltage of 350V.
How does B72210S0621K351 protect electronic circuits?
- When the voltage across the varistor exceeds its nominal voltage, the varistor's resistance decreases rapidly, diverting excess current away from the protected circuit.
In what applications is B72210S0621K351 commonly used?
- B72210S0621K351 is often used in surge protection devices, power supplies, industrial equipment, and telecommunications systems to safeguard against voltage spikes.
What is the operating temperature range of B72210S0621K351?
- The B72210S0621K351 has an operating temperature range of -40°C to +85°C, making it suitable for various environmental conditions.
Can B72210S0621K351 be used in automotive applications?
- Yes, B72210S0621K351 is suitable for automotive electronics, providing protection against voltage transients in vehicle electrical systems.
Is B72210S0621K351 RoHS compliant?
- Yes, B72210S0621K351 complies with the Restriction of Hazardous Substances (RoHS) directive, ensuring it meets environmental standards.
What is the response time of B72210S0621K351?
- The response time of B72210S0621K351 is very fast, typically responding within nanoseconds to voltage surges.
Can B72210S0621K351 be used in combination with other protective components?
- Yes, B72210S0621K351 can be integrated into circuit designs alongside fuses, transient voltage suppressors, and other protective devices for comprehensive protection.
Where can I find detailed technical information about B72210S0621K351?
- Detailed technical information, including datasheets and application notes, can be found on the manufacturer's website or through authorized distributors.