16R185BU

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PTC Resettable Fuses offer a variety of protection and circuit-interrupting solutions. An example of a PTC is the 16R185BU, a 5-amp 250VAC resettable fuse designed for primary current-limiting and protection applications. The 16R185BU provides a complete solution package for overcurrent protection and opens a circuit when excessive current occurs. It is available in a molded base, which both protects the fuse and isolates it from environment extremities.

The 16R185BU is designed to be used as a circuit breaker. It features an up-to- 5amp current rating at 250 VAC, making it ideal for protecting sensitive electronic equipment, such as computers and test & measurement instruments. It has a nominal resistance of 2.3 ohms, and can withstand up to 110A peak current. It is packaged in either axial or vertical packages, and is compatible with either an AC or DC circuit.

The 16R185BU\'s working principle is relatively simple. The fuse is constructed with a spring-loaded contact and a thermally sensitive interrupter element composed of PTC material. A positive temperature coefficient (PTC) is a material whose resistance increases with rising temperature. When a current overload occurs, the PTC material heats up, the contact snaps open, and the circuit is interrupted. Once the temperature cools down to a certain level, the contact can close, and the circuit can be reset.

The 16R185BU is well suited for a variety of primary current-limiting and protection applications, such as motor drives, automotive electric vehicles, video/audio equipment, computers, and electronic control units. It is a reliable, low-cost solution for protecting circuits against overcurrent hazards and is also UL-approved. Furthermore, it has a wide range of operating temperatures (-40°C to +125°C) and can be customized to meet specific customer requirements.

The 16R185BU offers many advantages over typical resettable fuse designs. It has an excellent resistance-time characteristic, providing a consistent performance in high temperature and overload conditions. The inrush current is low, and the arc suppression is superior compared to other types of fuses. Its high cycling capability, low temperature coefficient, and fast reset time make it ideal for multiple applications. Finally, its low cost makes it an attractive option for industrial, commercial, and consumer applications.

In conclusion, the 16R185BU is a reliable, low-cost, resettable fuse which can be used in a variety of primary current-limiting and protection applications. It has a 5-amp rating at 250VAC, and can withstand up to 110A peak current. With its superior arc suppression and resistance-time characteristics, it is well suited for high temperature and overload applications. The 16R185BU is UL approved and can be customized to meet customer-specific requirements. Its low cost makes it an attractive option for many applications.

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