16R135BU

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PTC (Positive Temperature Coefficient) resettable fuses are an important type of safety device used for protection against overcurrent conditions. The 16R135BU is a common type of PTC resettable fuse used for a variety of applications. In this article, we\'ll discuss the 16R135BU\'s application field and working principle.

PTC resettable fuses are designed to provide fast protection against short circuit and overcurrent events. They work by utilizing the positive temperature coefficient of a ceramic material, which causes the material to increase in resistance as its temperature rises. This increase in resistance creates a larger voltage drop across the fuse, which in turn trips the fuse and cuts off the current.

For certain applications, the 16R135BU is the ideal choice. This type of PTC resettable fuse is rated for up to 16 amps and operates at 40-135V. It has a very fast response time (less than 1 second) which makes it highly suitable for short-circuit protection. Additionally, it has a very high surge current capacity (up to 300A). This makes it able to handle high surge currents without tripping, such as those that occur during motor starting and other high inrush current scenarios.

The 16R135BU also features a ferrite bead, a small component which reduces EMI noise and increases current-carrying capabilities. This makes it suitable for a variety of applications which require reduced EMI noise, including motor drives, audio/video equipment, motors, and consumer electronics.

The 16R135BU\'s working principle is simple but effective. When a surge current or short circuit occurs, the fuse takes the full force of the impact. This causes it to heat up, which in turn causes the ceramic material inside the fuse to increase in resistance. This increased resistance creates a larger voltage drop across the fuse, which trips the fuse and disconnects the circuit.

Once the fault has been removed, the 16R135BU will cool down and reset itself, allowing the circuit to be reconnected. This makes is an effective protection device against short circuit and overcurrent conditions.

In conclusion, the 16R135BU is a common type of PTC resettable fuse used for a variety of applications. It is rated for up to 16 amps and operates at 40-135V. It has a very fast response time and a very high surge current capacity, making it ideal for short-circuit protection and for use in applications which require low EMI noise. Its working principle is simple but effective, allowing it to protect against short circuit and overcurrent conditions.

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