D105F471JO3

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Mica and PTFE Capacitors utilize dielectric materials such as mica and polytetrafluoroethylene (PTFE) to achieve higher capacitance values. The D105F471JO3 is a type of mica and PTFE capacitor. It has a variety of applications, in addition to its basic function as an electrical capacitor.

Capacitance

The D105F471JO3 has a capacitance of 0.47uF (microfarads). This makes it useful for applications where a large capacitance is needed, such as AC power conditioning circuits, pulse-width-modulation circuits, and buck converters. It is also commonly used in audio applications, such as tweeter, mid-range and woofer crossover networks.

Temperature Coefficients

The D105F471JO3 has a temperature coefficient of +20 ppm/°C, which is low compared to other types of capacitors. This helps to maintain a stable capacitance over a wide range of temperatures. The capacitor is also rated for high working temperatures, with a maximum of 105°C. This makes it a good choice for applications that require a reliable capacitor in a high-temperature environment.

Dielectric Strength

The D105F471JO3 has a high dielectric strength, with a value of 2 kVAC. This property is critical, as it ensures that the capacitor can safely handle voltages in excess of its rated voltage. The high dielectric strength is achieved through the use of mica and PTFE, which are both excellent dielectric materials.

Voltage Rating

The D105F471JO3 has a voltage rating of only 25 VDC. This limits its use in high-voltage applications, such as power supplies or motor control. However, the low voltage rating also makes it suitable for low-voltage applications, such as analog circuits and consumer electronics.

Size

The D105F471JO3 is a surface mount capacitor. Surface mount capacitors are much smaller than their through-hole counterparts, making them desirable for low-profile applications where space is a premium. The D105F471JO3 has dimensions of 5.08mm length, 5.08mm width and 3.2mm height.

Working Principle

The working principle of the D105F471JO3 is based on the idea of capacitance. A capacitor is constructed by placing two pieces of conductive material—called plates—separated by a dielectric material. When a voltage is applied across the plates, an electrical field is created and charges accumulate on the plates. This accumulation of charge is referred to as capacitance. The D105F471JO3 consists of two metalized plates, separated by mica and PTFE. As the voltage applied to the capacitor grows, the accumulated charge increases and the capacitance increases, thus performing its basic function.

Conclusion

The D105F471JO3 is a type of mica and PTFE capacitor. It has a capacitance of 0.47uF, a temperature coefficient of +20ppm/°C, a dielectric strength of 2kVAC, and a voltage rating of 25 VDC. The small size and low voltage rating make it suitable for low-voltage applications, while the high dielectric strength makes it suitable for applications with high voltages. The working principle of the D105F471JO3 is based on the idea of capacitance, with two metalized plates being separated by a dielectric material.

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