SMD2920P185TFA

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PTC Resettable Fuses, also known as Positive Temperature Coefficient (PTC) fuses, are considered to be a relatively new, but important, technology in the electronics industry. PTC Resettable Fuses are electronic devices that will set a limit to how much current can flow through them, and then shut down or “trip” when that limit is exceeded. These devices will then need to be manually reset in order to allow current to flow again. The SMD2920P185TFA is one such device and has a number of unique features that make it a great choice for many applications.

SMD2920P185TFA is a low cost, ultra-miniature PTC Resettable Fuse with excellent current limiting and over-temperature protection characteristics. It is available in two different packages, a standard package and a lead frame package, and has a current limiting range of 6A to 18A. The device also features an automatic reset function, meaning that when the trigger current and time are met, the device will reset itself and allow current to flow again. This makes the device ideal for environments or applications that cannot be manually reset or monitored for faults such as embedded systems.

The most important benefit of the SMD2920P185TFA is its ability to provide reliable over-current and over-temperature protection in a wide range of applications. It can be used as a primary current limiter in AC/DC power supplies, as a secondary current limiter in DC/DC converters, or as a power switch for embedded systems. The SMD2920P185TFA can also be used for device protection, load switching, automotive, telecoms, lighting, and medical applications.

The working principle of the SMD2920P185TFA is based on the principle of normalization of the current tunnel in which the current is calculated by passing a specific current. When the current reaches a preset level, the device will initiate an off-state and will “trip”, or shut down, in order to prevent any further current to flow. After cooling for a set period of time, usually within few seconds, the device will reset itself and be able to accept current flow again. This process of tripping and resetting the device is what makes it so useful for over-current and over-temperature protection in a wide range of applications.

The SMD2920P185TFA is a great choice for many applications in the electronics industry due to its low cost, current limiting range, and automatic reset capabilities. It is an ideal choice for device protection, load switching, automotive, telecoms, lighting, and medical applications, as well as for protection in AC/DC power supplies and DC/DC converters. With its small size and excellent protection properties, the SMD2920P185TFA is the perfect device for any application where reliable over-current and over-temperature protection is required.

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