14D561K 560V 4.5kA Through-Hole MOV Varistor

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14D561K 560V 4.5kA Through-Hole MOV Varistor

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14D561K

560 V 4.5 kA Varistor 1 Circuit Through Hole Disc 14mm

£2.25

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The 14D561K Varistor is a high-performance metal-oxide varistor (MOV) designed to provide robust transient voltage surge suppression in a wide range of electronic applications. With a voltage rating of 560V and a surge current capacity of 4.5kA, this varistor offers exceptional protection against voltage spikes caused by lightning strikes, inductive load switching, and electrostatic discharge (ESD). Its disc-shaped design, with a diameter of 14mm, allows for easy through-hole mounting (THT) on printed circuit boards (PCBs). The 14D561K is engineered to quickly clamp transient overvoltages, safeguarding sensitive electronic components from damage and ensuring the reliable operation of your equipment. Its compact size and high surge handling capability make it an ideal choice for protecting power supplies, telecommunications equipment, and industrial control systems. This device is an essential component for enhancing the reliability of electronic circuits exposed to high voltage environments.

Guard sensitive electronics from surges. The 14D561K varistor is particularly well-suited for applications where high voltage transient surges are a common occurrence. Its high surge current capacity and fast response time make it effective at clamping voltage spikes before they can cause damage to downstream components operating at elevated voltages. The through-hole mounting configuration simplifies installation and provides a secure connection to the PCB. The 14D561K is commonly used in high-voltage power strips, surge protectors designed for sensitive equipment, and industrial control systems operating with elevated voltage levels. Its robust construction and reliable performance ensure long-term protection and reduce the risk of equipment failure, especially in high voltage scenarios.

Additionally, the varistor’s non-linear resistance characteristic enables it to quickly transition from a high-impedance state to a low-impedance state when a transient voltage exceeds its clamping voltage, effectively diverting the surge current away from sensitive components in high voltage applications. Ensure uninterrupted performance of equipment. Investing in the 14D561K varistor means investing in the longevity and reliability of your high-voltage electronic devices. Its high surge current capacity, fast response time, and robust construction make it a cost-effective solution for protecting against transient voltage surges. Whether you are designing a high-voltage power supply, a sophisticated motor controller, or a sensitive industrial electronic product, this varistor offers the protection you need to ensure reliable operation. Explore the diverse applications and experience the peace of mind that comes with knowing your equipment is protected from voltage spikes.

Don't compromise on quality and protection. Upgrade your electronic projects today with the 14D561K varistor and experience the difference that a high-quality surge protection device can make, especially in demanding high-voltage environments. Protect your investments with dependable varistor technology. Key features of the 14D561K include its high surge current capacity, fast response time, and robust construction. These attributes make it an excellent choice for improving the reliability and longevity of your electronic devices, specifically designed for high-voltage surge protection. It's suitable for a wide variety of applications and offers reliable performance in demanding environments.

This varistor ensures minimal downtime and offers excellent protection against voltage surges. Benefit from the dependable performance of this industry-leading metal-oxide varistor optimized for higher voltage applications. The 14D561K is essential for improving the safety and reliability of various applications, including high-voltage power supplies, telecommunications equipment, and industrial control systems operating at elevated voltage levels. This varistor provides protection against lightning strikes, power surges, and electrostatic discharge. Don't miss out on the opportunity to protect your valuable high-voltage electronic equipment. Purchase your 14D561K varistor today and experience the difference it makes in your circuits.

Improve reliability and longevity with this vital component. Order now and take your project to the next level, especially in high-voltage applications. Secure your investment in reliable voltage surge protection. Act now to secure your 14D561K varistor and enhance the protection of your high-voltage electronic devices. Protect your investment by adding this varistor to your circuits today and experience the assurance of dependable voltage surge suppression.

More Information

More Information
Product Name	14D561K 560V 4.5kA Through-Hole MOV Varistor
Condition	New
SKU	14D561K
Price	£2.25
14D561K 560V 4.5kA Through-Hole MOV Varistor Color	As per image
Category	Varistors
Brand	Nikko Electronics ltd
Product Code	14D561K
Availability	Yes

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FAQ

FAQs for Products

What is the appropriate maximum continuous operating voltage (MCOV) for the 14D561K 560V 4.5kA Through-Hole MOV Varistor in AC and DC applications?
The '560V' designation for the 14D561K 560V 4.5kA Through-Hole MOV Varistor typically refers to its varistor voltage (V_v) at a specified test current, not its maximum continuous operating voltage (MCOV). For reliable long-term operation, the MCOV is crucial. For AC line protection, the MCOV is usually around 80-85% of the nominal varistor voltage, meaning this component is generally suited for AC systems with RMS voltages significantly lower than 560V. For example, it might be suitable for AC lines up to approximately 385V to 420V RMS, depending on specific application requirements and safety margins. In DC applications, the MCOV can be higher, often closer to the varistor voltage, but still with a safety margin, perhaps up to 450V to 500V DC. Always consult the detailed datasheet for the precise MCOV ratings to ensure optimal performance and longevity for the 14D561K 560V 4.5kA Through-Hole MOV Varistor in your specific circuit design.
How does the 4.5kA surge current rating of the 14D561K 560V 4.5kA Through-Hole MOV Varistor translate to its protection capability against transient events?
The 4.5kA surge current rating of the 14D561K 560V 4.5kA Through-Hole MOV Varistor signifies its robust capability to withstand high-energy transient events. This rating is typically specified for an 8/20µs current waveform, which is a standard industry test pulse simulating lightning-induced surges or switching transients. A 4.5kA rating means the 14D561K 560V 4.5kA Through-Hole MOV Varistor can absorb a peak current of 4,500 amperes for a very short duration without catastrophic failure. This high surge handling capability is critical for protecting sensitive downstream electronic components by diverting significant transient energy away from them. When selecting a varistor, matching this surge current capacity to the expected threat level in the application environment ensures adequate protection and extends the lifespan of the protected equipment, making the 14D561K 560V 4.5kA Through-Hole MOV Varistor suitable for demanding industrial or power supply applications.
What is the typical clamping voltage of the 14D561K 560V 4.5kA Through-Hole MOV Varistor when subjected to its rated surge current?
The clamping voltage is a critical parameter for the 14D561K 560V 4.5kA Through-Hole MOV Varistor, as it defines the maximum voltage that will appear across the protected circuit during a surge event. While the varistor voltage is 560V, the clamping voltage will be higher when the varistor is conducting its rated surge current of 4.5kA. For a 560V varistor, typical clamping voltages at 4.5kA (8/20µs waveform) can range from approximately 900V to 1000V or even higher, depending on the specific material composition and manufacturing process. It's imperative to consult the detailed datasheet for the exact clamping voltage curve or specification for the 14D561K 560V 4.5kA Through-Hole MOV Varistor to ensure that the protected components have a voltage withstand capability greater than this clamping level. This ensures effective surge protection, preventing damage to sensitive electronics by limiting the transient overvoltage to a safe level.
What are the expected degradation characteristics and lifespan considerations for the 14D561K 560V 4.5kA Through-Hole MOV Varistor under repeated surge conditions?
Like all MOVs, the 14D561K 560V 4.5kA Through-Hole MOV Varistor can degrade over time, particularly under repeated surge conditions, especially if the surges exceed its rated energy handling capacity. Degradation typically manifests as a slight decrease in varistor voltage and an increase in leakage current. Each surge event, especially high-energy ones, can cause microscopic structural changes within the varistor's zinc oxide grains. While the 14D561K 560V 4.5kA Through-Hole MOV Varistor is designed for robust performance, its lifespan is inversely proportional to the magnitude and frequency of absorbed surges. Designers should consider the expected surge environment and potentially use multiple varistors in parallel or series for enhanced energy absorption and extended lifespan in applications with frequent or high-energy transients. Regular maintenance checks in critical systems can also help identify components nearing their end-of-life due to excessive degradation.
What are the recommended PCB layout and thermal management guidelines for integrating the 14D561K 560V 4.5kA Through-Hole MOV Varistor, given its 14mm disc size?
Effective PCB layout and thermal management are crucial for the optimal performance and longevity of the 14D561K 560V 4.5kA Through-Hole MOV Varistor. Due to its 14mm disc size and through-hole mounting, it's recommended to place the varistor as close as possible to the point of entry of the transient, minimizing trace inductance which can impede surge suppression effectiveness. Use short, wide traces to and from the 14D561K 560V 4.5kA Through-Hole MOV Varistor to ensure low impedance paths for surge currents. For thermal management, while varistors primarily dissipate energy during short-duration surges, repeated surges can lead to temperature rise. Ensure adequate clearance around the component for air circulation, and if operating in a high-temperature environment or expecting frequent surges, consider using thermal vias or larger copper planes connected to its leads to help dissipate any accumulated heat. Proper mounting also ensures mechanical stability during surge events.
For what specific types of industrial or power supply applications is the 14D561K 560V 4.5kA Through-Hole MOV Varistor most effectively utilized?
The 14D561K 560V 4.5kA Through-Hole MOV Varistor is ideally suited for a wide range of industrial and power supply applications requiring robust surge protection. Its 560V varistor voltage makes it appropriate for protecting equipment connected to higher voltage AC lines (e.g., 277V AC, 347V AC, or even 400V AC systems, considering MCOV limits) or high-voltage DC circuits. Specific use cases include industrial control systems, motor drives, power distribution units, uninterruptible power supplies (UPS), LED lighting power supplies, and telecommunications equipment. The 4.5kA surge current capacity provides excellent protection against severe transient events caused by lightning strikes, inductive load switching, and power grid disturbances. Its through-hole design ensures reliable mounting in demanding environments, safeguarding critical electronic components and ensuring operational reliability of the entire system where the 14D561K 560V 4.5kA Through-Hole MOV Varistor is implemented.
Does the 14D561K 560V 4.5kA Through-Hole MOV Varistor typically comply with common industry safety and performance standards for surge protective devices?
While specific certification details for the 14D561K 560V 4.5kA Through-Hole MOV Varistor would be found in its official datasheet, most reputable manufacturers design their MOVs to meet or exceed relevant industry safety and performance standards. Key standards often include UL 1449 (for Surge Protective Devices, SPDs), IEC 61000-4-5 (testing and measurement techniques for surge immunity), and IEC 60950-1 or IEC 62368-1 (safety of information technology equipment and audio/video, information and communication technology equipment). Compliance with these standards indicates that the 14D561K 560V 4.5kA Through-Hole MOV Varistor has undergone rigorous testing for its surge handling capabilities, thermal stability, and overall safety. For applications requiring specific certifications, it is always recommended to verify the exact compliance marks and documentation provided by the manufacturer for the 14D561K 560V 4.5kA Through-Hole MOV Varistor to ensure it meets all regulatory requirements for your end product.