YM120C20N122 Circuit Protection

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PTC resettable fuses (also known as polymeric positive temperature coefficient devices) are a unique type of fuse that has revolutionized the overcurrent protection industry. They are specifically designed to protect circuits in potentially hazardous situations where conventional fuses or breakers would fail. YM120C20N122 is a high-performance polyfuse PTC resettable fuse that comes with a wide range of applications and a working principle that has made it one of the most popular and reliable fuses on the market.

The Benefits of Using YM120C20N122

YM120C20N122 is a highly reliable and cost-effective PTC resettable fuse. It has many features and benefits that make it an ideal choice for a wide range of applications. With excellent surge performance, overload protection capabilities, and a very low internal resistance when compared to other fuses, YM120C20N122 is an excellent choice for overcurrent protection.

YM120C20N122 also has a very high resetting speed, meaning that when a circuit is tripped it will quickly and reliably reset itself. It is also very compact, which makes it ideal for use in tight spaces and for applications that need to save space. And with its low voltage range, YM120C20N122 is perfect for low-voltage electronic circuits.

YM120C20N122 is also extremely reliable and durable. It is able to operate at a wide temperature range of -55 to 125 degrees Celsius, can withstand up to 1000 Amps of surge current, and can reset at up to 10 Amps. This makes it well suited for a wide variety of applications from battery charging systems to protection in battery operated and automotive devices.

YM120C20N122 Application Field

YM120C20N122 is one of the most popular and reliable PTC resettable fuses on the market, and it can be used in a wide range of applications. Highly popular and widely-used, some of the most prominent application fields for YM120C20N122 include:

• Automotive and vehicle networks, including emergency stopping systems, power steering and four-wheel-drive systems, and automotive lighting
• Battery management systems (BMS), especially with electric vehicles (EVs) and hybrid electric vehicles (HEVs)
• Medical equipment, especially with applications such as patient backing-up systems
• Industrial controls, including power supplies, AC/DC converters, and inverters
• Consumer products, such as battery chargers, laptop PCs, digital cameras, and other electronic devices

YM120C20N122 Working Principle

YM120C20N122 is a PTC resettable fuse that uses the principle of temperature sensing to detect overcurrent and short-circuit faults. The fuse consists of two components: a polymeric positive temperature coefficient (PPTC) device that acts as a resistor and a circuit protection element.

When an over-current or short-circuit condition occurs, the PPTC device responds by increasing its resistance. This increase in resistance results in an increase in temperature, and when the temperature reaches the thermal threshold of the PPTC device, the fuse triggers a reset. The resetting occurs when the device cools down below the reset temperature threshold.

The YM120C20N122 has been designed to be highly reliable and offer a wide range of features to ensure secure and safe operation. Some of these features include a high resetting speed, a wide operating temperature range, an excellent surge capability, and a low internal resistance that helps to minimize energy losses. It also has an extremely low latching current, which ensures that it can reset itself after a fault or overload situation without triggering additional faults.

Conclusion

YM120C20N122 is a cost-effective and reliable PTC resettable fuse that is well suited for a wide range of applications. With its high surge handling capabilities and low internal resistance, it is ideal for protecting sensitive equipment and circuits in hazardous situations. It also has a wide operating temperature range and a very fast resetting speed, making it perfect for low voltage, automotive, and industrial applications. YM120C20N122 is an easy and affordable way to provide reliable overcurrent protection in potentially hazardous situations.

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