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Thermistors

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A thermistor is a type of resistor whose resistance is strongly dependent on temperature, more so than in standard resistors. The term is a combination of “thermal” and “resistor”. It is made of metallic oxides, pressed into a bead, disk, or cylindrical shape and then encapsulated with an impermeable material such as epoxy or glass.

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Thermistors: Precision Temperature Sensing and Circuit Protection

At Evelta, we offer a broad selection of thermistors, essential components for temperature sensing and circuit protection. Whether you need to manage inrush current or monitor temperatures in sensitive electronic circuits, thermistors provide reliable performance and precision. Our range includes NTC thermistors (Negative Temperature Coefficient) and PTC thermistors (Positive Temperature Coefficient) to cover diverse application needs.

When purchasing thermistors online, we strive to offer the best prices in India and ensure a smooth shopping experience with quick delivery and a wide selection from leading brands like Hel.

What are Thermistors?

Thermistors are resistors that vary their resistance with temperature changes. They are widely used in applications requiring accurate temperature monitoring and protection. Depending on the type, thermistors either decrease (NTC) or increase (PTC) their resistance with a rise in temperature. These characteristics make them suitable for a variety of purposes, including temperature sensing, inrush current limitation, and overcurrent protection in power supplies and other sensitive circuits.

Types of Thermistors

NTC (Negative Temperature Coefficient) Thermistors

NTC thermistors reduce their resistance as temperature increases, making them ideal for applications like temperature sensors and inrush current limiters. When used as a sensor, an NTC thermistor provides real-time monitoring, ensuring that the circuit responds to overheating or other thermal changes.

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PTC (Positive Temperature Coefficient) Thermistors

PTC thermistors increase their resistance as temperature rises. They are commonly used in overcurrent protection. When excessive current flows through a circuit, a PTC thermistor's resistance increases, effectively limiting the current and preventing overheating or damage.

Benefits of Thermistors Thermistors play a crucial role in circuit protection and thermal management. Here are some key benefits: Precise Temperature Sensing: NTC thermistors provide high accuracy and sensitivity in temperature monitoring, ideal for applications that demand real-time thermal regulation. Inrush Current Protection: Thermistors, especially NTC types, are effective at controlling inrush currents, protecting circuits from damage during power-up. Durability and Reliability: Made to withstand harsh environments, thermistors ensure long-lasting performance in industrial and consumer electronics. Compact and Versatile: Thermistors offer a space-efficient solution for various applications, from automotive electronics to consumer appliances and industrial machinery.

Trusted Brand: Hel

At Evelta, we carry thermistors from Hel, a leading manufacturer known for producing high-quality components that meet international standards. Hel's thermistors are widely trusted for their durability, precision, and performance in challenging applications. Whether you need components for temperature sensing or circuit protection, Hel thermistors are the perfect choice for your projects.

Why Buy Thermistors from Evelta?

Choosing Evelta for your thermistor needs comes with several benefits:

  • Best Prices in India: We offer competitive pricing, ensuring you get top-quality thermistors at the best possible rates.
  • Wide Selection: We stock a variety of thermistors, including NTC and PTC types, ensuring that you can find the exact component for your application.
  • Trusted Brands: We only offer thermistors from reliable brands like Hel, ensuring high performance and long-term reliability.
  • Buy Online with Ease: Our online platform allows for seamless shopping, with detailed product descriptions, datasheets, and fast shipping across India.

How to Choose the Right Thermistor

When selecting a thermistor, consider the following:

  • Application Type: Choose between NTC for temperature sensing or inrush current limiting and PTC for overcurrent protection.
  • Resistance and Power Ratings: Ensure the thermistor's resistance and current capacity align with your application requirements.
  • Environmental Conditions: Consider the thermistor's durability and performance in various operating conditions, such as temperature extremes and humidity.

Conclusion

At Evelta, we are dedicated to providing you with the best selection of thermistors for your circuit protection and temperature sensing needs. With a focus on quality, affordability, and convenience, our range of Hel thermistors ensures that your electronics stay protected and operate efficiently.

Browse our collection and buy online today to enjoy fast shipping and the best prices across India.