B59115P1080A062 Circuit Protection

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PTC Resettable Fuses

PTC (positive temperature coefficient) resettable fuses are a form of circuit protection, typically used in electronic devices, which use polymer-based PTCs. Unlike the standard PTC fuses, which are typically made of a ceramic material, which must be replaced once it has tripped, the resettable PTC fuse is designed to allow the device to be reset once current flow is reduced. This allows the device to be used again without having to purchase a new PTC fuse.

The most common application for PTC resettable fuses is in electronic devices such as computers, tablets, cell phones, and many other consumer and industrial products. These devices rely heavily on small electronic components which need to be protected from current fluctuations and short circuits. The PTC resettable fuse is an ideal circuit protection device for these types of devices, as it can reset itself after a short circuit or current overload without requiring the user to replace the device.

B59115P1080A062 Application Field and Working Principle

The B59115P1080A062 is a PTC resettable fuse made by Infineon Technologies. It is a two pole thermally protected PTC fuse, which is used in a wide range of applications, in particular those that require short circuit and over current protection. This particular PTC resettable fuse has a nominal resistance of 0.7 ohm, an operating temperature range of -40°C to +125°C, and a rated voltage of 6.3VRMS. The B59115P1080A062 has a nominal operating current of 1A, and its rated voltage can reach as high as a maximum of 6.3V at 40 degrees Celsius.

The working principle of the B59115P1080A062 is based on the electrical behavior of positive temperature coefficient (PTC) thermistors. As the name suggests, these fuses feature a positive temperature coefficient, which means that when they are subjected to an elevated temperature, their resistance increases exponentially. This increase in resistance causes the fuses to trip when the current exceeds the threshold of the PTC, in order to protect the device against electrical faults. When the current is reduced, the device will reset itself, allowing the device to be used again without having to be replaced.

When it comes to mounting the B59115P1080A062, the requisite steps must be taken to ensure proper operation. For example, the fuse must be mounted directly onto the Printed Circuit Board (PCB) to ensure efficient heat dissipation, and the connections must be securely attached to the fuse. Failure to do so may result in the fuse tripping and being unable to reset itself, resulting in the (potentially costly) replacement of the fuse.

In conclusion, the B59115P1080A062 is an ideal option for those looking for PTC resettable protection in their electronic devices. With its nominal resistance of 0.7 ohm, its rated voltage of 6.3 VRMS, and its maximum rated voltage of 6.3V, it provides reliable short circuit and over current protection. Additionally, it is easy to mount and its resettable capability makes it a cost effective solution.

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