PL8706T

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Inductors, or coils, are components used in electrical circuits to store energy in the form of a magnetic field. Fixed inductors, which are also called solenoids, are the most common type of inductors. The PL8706T fixed inductor from Aleph America is a discrete, non-shielded wire-wound inductor. Its applications range from EMI/RFI filtering and supression to low-frequency noise suppression in audio circuits.

The PL8706T is offered in eight standard inductance values ranging from 0.1uH to 4.7mH. It has an operating temperature range from -25°C to +85°C. It also has a shielded construction with an inductance tolerance of ±20%. The rated DC current for the device is 8.2A. It is available in a 5x8mm package.

The working principle of the PL8706T fixed inductor is based on the well-known one of Faraday\'s law, which states that a changing magnetic field creates an induced current in an electrical conductor such as a coil or a wire. When an alternating current is applied to the coil, a corresponding electrical field is generated, and this field interacts with the magnetic field generated by the coil, inducing a voltage in the coil. This voltage is called inductive voltage, or inductance, and this is the phenomenon that is used in the PL8706T fixed inductor.

When the coil is made of many turns of insulated wiring, the area of magnetic fields created by the coil are expanded, and thus the inductance increases. The more turns of wire, the greater the inductance, and the current carrying capacity increases because of the increased number of turns. The coil in the PL8706T fixed inductor is made from a 7/16", 20 AWG copper wire. The wire is wound into a tightly wound spiral coil with a low DC resistance. Because the coil is insulated, the DC resistance is low, making it more efficient when carrying current.

The PL8706T fixed inductor is an important component in a variety of circuit applications. Its high inductance and low DC resistance makes it suitable for EMI/RFI suppression, such as in a TV or radio circuit, or for power line filtering and noise suppression. It is also used to filter out unwanted high-frequency signals in audio circuits. Additionally, the device\'s tightly wound coil construction gives it superior temperature stability, making it ideal for high–temperature applications.

In conclusion, the PL8706T fixed inductor is a versatile, low-cost component that is suited for a variety of common applications. Its high inductance and low DC resistance, plus its tight wire–wound coil construction, make it a desirable component for EMI/RFI attenuation and low-frequency noise suppression. Due to its excellent temperature stability, it is also used in high-temperature applications.

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