PFRY.185

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PTC Resettable Fuses, also known as Polyfuse or Polymeric Positive Temperature Coefficient Resettable Fuses, are safety devices that protect against short circuits, current overloads, and line transients. PTC Resettable Fuses are widely used in LED lighting, automotive applications, medical devices, and consumer electronics.

PFRY.185 is a Polyfuse Resettable Fuse developed by Wurth Electronics. This PTC Resettable Fuse features a small footprint and low hold current with a wide operating temperature range (-40°C to 125°C). It is designed to protect against short circuits, current overloads, and line transients. The product also comes with a surge current rating of up to 8A and a maximum voltage rating of 200V. This makes it suitable for a variety of applications.

PFRY.185 has a variety of application fields and can be used in many different types of products and industries. It is commonly used in LED lighting, automotive applications, medical devices, consumer electronics, and many other products and industries. It can also be used in industrial applications, such as solar inverters, photovoltaic modules, and UPS systems. Additionally, it can be used in communications equipment, such as fiber transceivers and modems.

The working principle of PFRY.185 is based on the resistance of a thermally sensitive Positive Temperature Coefficient (PTC) element. When the current exceeds the rated current, it causes the PTC element to heat up and rapidly increase its resistance to limit the current. This increases the temperature of the PTC element until it reaches its melting point, at which point it will open the circuit and protect the system from any further current overload or short circuit.

Once the current is removed, the thermal element cools and resume to its low resistance state, allowing the circuit to become active again. This is a straightforward process and is also very reliable. PTC Resettable Fuses are a popular choice in applications that require a fast response time and good protection against current overloads.

In conclusion, PFRY.185 is a type of Polyfuse Resettable Fuse that can be used in a variety of industries and applications. It is designed to protect against short-circuits, current overloads and line transients. It is known for its small footprint and wide operating temperature range. The working principle is based on the resistance of a positive temperature coefficient (PTC) element. It is an effective, reliable, and cost-efficient way to protect your system.

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