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Item #:
60087476
Varistor 15 Values 150 PCS Voltage Dependent Resistors Kit
Item #:
60087476
RON 111
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Imported from USA store
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Only 19 items left in stock.
Order now and get it around Wednesday, June 24
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Choose from 15 commonly used voltage and resistance values, including 120V, 240V, 270V, 330V, 390V, 430V, 470V.
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Note: Step Down Voltage Transformer required for using electronics products of US store (110-120). Recommended power converters Buy Now.
What Stands Out
Diverse Assortment
Includes 15 different voltage dependent resistors, catering to various circuit designs and applications, making it an essential kit for hobbyists and professionals alike.
High Quality
Each resistor is crafted with precision and durability, ensuring reliable performance and long lifespan, which helps reduce frequent replacements in circuits.
Cost-Effective
With 150 pieces included, this kit offers exceptional value for money, allowing users to stock up on essential components without overspending, ideal for frequent projects.
Product Details
- The Varistor Resistors Values : 5D471K,7D121K,7D241K,7D431K,7D471K,10D121K,10D241K,10D271K,10D331K,10D391K,10D431K,10D471K,14D121K,14D431K,14D471K
- Varistor Voltage: : Choose 15 commonly used voltage and resistance values, including 120V, 240V, 270V, 330V, 390V, 430V, 470V.
- Easy to Sort: Each model has a small bag and a mark. Box also has a marked model for easy identification.
- Easy to store: Provide a box for easy management and storage.
- More values: Provide 15 commonly used Varistor Resistors values to help you more convenient for protecting equipment against transient voltage spikes
Product Technical Details
| Package Dimensions | 3.58 x 2.52 x 2.48 inches |
| Item Weight | 6.3 ounces |
| Manufacturer | KOKISO |
Who Should Buy?
-
Electronics Hobbyists
Ideal for individuals experimenting with circuits, needing a versatile assortment for various projects and applications.
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Repair Technicians
Useful for technicians needing reliable voltage clamping components for repairing electronic devices.
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Students
Great for students learning about electronics, providing practical experience with voltage-dependent resistors in circuits.
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Commercial Manufacturers
Not suitable for large-scale production due to specific value needs and bulk purchasing requirements.
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Professional Engineers
May lack specialized components required for advanced projects compared to other dedicated high-performance resistor kits.
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Minimalist Projects
Not ideal for projects requiring minimal components or specific resistor values outside the provided assortment.
Product Description
Have any Query? Chat with us
Customer Questions & Answers
-
Question:
What is a varistor and how does it work?
Answer: A varistor is a voltage-dependent resistor that changes its resistance based on the voltage applied across it. When the voltage is low, the varistor has high resistance, protecting circuits from overvoltage by providing a low resistance path when the voltage surpasses a preset threshold. This makes them essential for safeguarding delicate electronic components in various applications. -
Question:
What applications are suitable for using varistors?
Answer: Varistors are used widely in surge protection devices, automotive applications, and power supply circuits to protect sensitive electronics from voltage spikes. For example, they can safeguard television sets, computers, and consumer electronics from lightning strikes or power surges, making them an important component in both commercial and residential installations. -
Question:
How do I determine the right varistor voltage rating for my project?
Answer: To choose the right varistor voltage rating, you need to consider the maximum voltage that your circuit can handle without damage, plus a safety margin. Typically, you would select a varistor with a clamping voltage at least 20-30% higher than the maximum voltage your circuit operates at. This ensures optimal protection while maintaining performance. -
Question:
What are the benefits of using a varistor kit?
Answer: A varistor kit, like the 15 Values 150 PCS variety, provides versatility and convenience. It includes a range of voltage ratings that accommodate different projects, helping users quickly find the right component without having to purchase individual parts. This is especially beneficial for hobbyists and engineers who frequently work on various electronic designs. -
Question:
Can varistors fail, and how can I tell if they are defective?
Answer: Yes, varistors can fail, typically when they are subjected to excessive energy from surges or voltage spikes beyond their rating. Signs of a defective varistor include physical damage such as discoloration or ashing, and in some cases, they may become shorted out, leading to continuous current flow. It's paramount to regularly check varistors in applications prone to surges. -
Question:
What is the difference between varistors and other types of surge protectors?
Answer: Varistors primarily provide voltage clamping to protect against surges, whereas other designs, like diodes or transient voltage suppression (TVS) devices, might operate with different voltage ratings and response times. Varistors are particularly effective in high-energy surge environments, making them a preferred choice for circuit protection in various electrical settings. -
Question:
Are there any safety considerations when using varistors?
Answer: Absolutely, it’s crucial to ensure that the varistor's voltage ratings match the circuit specifications. Moreover, implementing them in a clear, well-ventilated area reduces the risk of overheating. Always follow manufacturer guidelines during installation to ensure safe and efficient operation, which will help avoid potential hazards associated with electrical components. -
Question:
How should varistors be connected in an electrical circuit?
Answer: Varistors should be connected in parallel with the load you intend to protect. This configuration allows them to absorb excessive voltage while still letting normal operational currents pass through without interference. It’s important to ensure correct polarity, although varistors are non-polarized; proper spacing and orientation help minimize energy loss and maximize efficiency. -
Question:
Can I use multiple varistors together for added protection?
Answer: Yes, using multiple varistors can enhance protection, particularly in applications where high surge energies are expected. You can configure them in parallel to increase the current capacity or in series to provide higher clamping voltage. However, consulting component specifications is essential, as too many can affect the response time and overall circuit performance. -
Question:
Where can I buy Varistor 15 Values 150 PCS Voltage Dependent Resistors Kit in Romania?
Answer: You can purchase the Varistor 15 Values 150 PCS Voltage Dependent Resistors Kit on Ubuy. They offer a wide selection of electronic components, making it convenient to find and order what you need for your projects. Ubuy's platform ensures you can access quality products with ease, streamlining the buying experience.
KOKISO Varistors Editorial Review
The KOKISO Varistor 15 Values 150 PCS Voltage Dependent Resistors Kit Assortment is a handy product for DIY electronics enthusiasts. The kit includes 15 different values of resistors, totalling 150 pieces, neatly organized in a compact box. The resistors are of good quality and a great value for the price, making it an excellent choice for those who need to repair or build their own electronic devices. One customer found success in using a resistor from the kit to replace a blown one in their Brother fax machine, resulting in a fast and effective repair. Overall, the KOKISO Varistor kit is a practical and convenient addition to any DIY electronics toolkit.
Customer Reviews & Ratings
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Pros
- Includes 15 different values of resistors
- Good quality for the price
- Neatly organized in a compact box
Product Price History
Important information
- Limitations : For products shipped internationally, please note that any manufacturer warranty may not be valid; manufacturer service options may not be available; product manuals, instructions, and safety warnings may not be in destination country languages; the products (and accompanying materials) may not be designed in accordance with destination country standards, specifications, and labeling requirements; and the products may not conform to destination country voltage and other electrical standards (requiring use of an adapter or converter if appropriate). The recipient is responsible for assuring that the product can be lawfully imported to the destination country. When ordering from Ubuy or its affiliates, the recipient is the importer of record and must comply with all laws and regulations of the destination country.
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RON 111
Order now and get it around Wednesday, June 24
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QTY:
Only 19 items left in stock.
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Ubuy works hard to protect your security and privacy. Our advanced payment security system ensures confidentiality by encrypting your information during transmission using AES (Advanced Encryption Standards) and SSL (Secure Socket Layer) protocols. Your payment details are 100% secure as we do not share your payment details with third party sellers.
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