SMD2920P030TFA

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PTC Resettable Fuses are found in many everyday products, from consumer electronics to automotive and micromachines. They are a reliable and cost-effective means of protecting against circuit overloading and short-circuiting. The SMD2920P030TFA is one such fuse, operating as a self-resetting two-terminal circuit protection device. Developed by Semiconductors Total Spec, the SMD2920P030TFA is an integrated circuit that provides protection and control to a continuously monitored circuit.

The SMD2920P030TFA can be used for a wide range of applications. One key use is in consumer electronics, from mobile phones to televisions, as it is designed to protect electronic circuits from damage if the current flowing through them exceeds a predetermined threshold. It is effective in protecting against electrical overloads that can occur as a result of a faulty component or a power surge. The SMD2920P030TFA is also ideal for protecting against unintentional misuse of the device or manipulation of switches and buttons.

In addition to its popular use in consumer electronics, the SMD2920P030TFA can be used in automotive and micromachines applications for current limitation or over voltage protection. It is especially useful for protecting microprocessors, power cables, and soldering iron tips. Its capability to communicate with systems makes it ideal for automotive applications, where the current must be monitored carefully to protect the battery and electronic systems. Automotive applications include engine control, climate control, lighting systems, and audio systems.

The working principle behind the SMD2920P030TFA is deceptively simple. It is a self-resetting device, meaning that it does not need to be reset manually after it has gone into overcurrent protection mode. The action of the device is triggered by the opening and closing of a bimetal or thermistor element that acts as a switch. The switching action triggers a current proportional to the resistance of the thermistor or bimetal element. When the current exceeds the preset trip level, the element opens, cutting off the current to the circuit. Then, when the current is reduced to lower than the preset level, the element is reset and control current is allowed to flow again.

The SMD2920P030TFA features a wide range of adjustable control current options, allowing users to tailor the device to their specific needs. This can range from 5 to 500mA, depending on the application. It also features a wide temperature range of -40 to 105 C, and is constructed with RoHS compliant, lead-free materials. In addition, the device has small footprint and high insulation properties, making it suitable for a wide range of applications.

The SMD2920P030TFA is a reliable and cost-effective solution for protecting circuits from overloading and short-circuiting. It is designed to protect circuits in consumer electronics, micromachines, and automotive applications, with adjustable control current options and a wide temperature range making it suitable for a range of applications. Its self-resetting capabilities also make it a popular choice for users who require robust current protection, without the need for manual resetting.

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