SDF DF104S

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Thermal Cutoffs, commonly referred to as Thermal Fuses, are electronic components designed to open a circuit if the temperature reaches a preset level. They are used in a variety of applications from safety-critical motor and generator controls to consumer applications, such as hairdryers, irons, dishwashers, and washing machines.

DF104S is a Thermal Cutoff type which is popularly used in some new products nowadays. It has several advantages: adjustable kelvin ratings, low voltage (6V-12V), high current transfer capacity (up to 0.5A). Its unique property is that it can shut off at a predetermined temperature and can be reset back to operating temperature after the temperature has cooled off.

DF104S’s application field varies and generally consists of products with safety purpose, such as : mobile electronic device, LED lighting fixtures, home appliances, electric vehicle, medical equipment, industrial automation, intelligent traffic system and etc. Working principle of DF104S is simple. First, when power is applied, the current flows through a thermistor in the thermal element. During the normal operation the temperature of the Thermal Cutoff is kept below the preset shut-off temperature yet above the reset temperature. However, when the temperature reaches the shut-off temperature, the Thermal Cutoff opens the circuit, disconnecting the power from the device.

In addition, the advantages of using the DF104S are many. First, DF104S will provide reliable temperature protection as it opens and closes without infringing other parts or components. Second, its small size makes it ideal for use in applications where space is limited. Third, DF104S is extremely stable and does not require calibration or adjustments. Finally, the reset range is broad which makes it applicable to a variety of different applications.

In a nutshell, DF104S has become a popular choice for many electronic and electrical applications due to its simplicity and reliability. The DF104S is an extremely reliable thermal cutoff that can be used in safety-critical motor and generator controls, electronics, home appliances, automobiles, medical equipment, etc.

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