PM125SH-681M-RC

DC Resistance (DCR):	1.15 Ohm Max
Height - Seated (Max):	0.256" (6.50mm)
Size / Dimension:	0.492" L x 0.492" W (12.50mm x 12.50mm)
Supplier Device Package:	--
Package / Case:	Nonstandard
Mounting Type:	Surface Mount
Inductance Frequency - Test:	100kHz
Operating Temperature:	-40°C ~ 125°C
Ratings:	--
Frequency - Self Resonant:	2.2MHz
Q @ Freq:	18 @ 796kHz
Series:	PM125SH
Shielding:	Shielded
Current - Saturation:	750mA
Current Rating:	800mA
Tolerance:	±20%
Inductance:	680µH
Material - Core:	Ferrite
Type:	Wirewound
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Fixed inductors are used to store electrical energy in the form of a magnetic field, convert currents in electrical circuits and provide filtering. The PM125SH-681M-RC is a fixed inductor designed for surface mount applications in low voltage power circuits. It is particularly well suited for use in power supplies, voltage regulators and converters.The PM125SH-681M-RC inductor is characterized by its low profile and small form factor, making it suitable for use in tightly packed circuits. It has a maximum inductance value of 681nH and a rated part-to-part variation of +/- 10%, making it highly reliable and accurate in its performance. The inductor is also rated for a temperature range from -55 to +125°C and is sealed against moisture, dust, and other environmental conditions.In terms of application field, the PM125SH-681M-RC inductor is widely used in consumer electronics and industrial applications. It can be used in power supplies, voltage regulators, converters, and power amplifiers, and can also be used as an inductive bridge in radio communication applications.The working principle of the PM125SH-681M-RC inductor is based on Faraday\'s law of induction. This states that a changing current flowing through a coil of wire causes a magnetic field to be generated around it. The strength of this magnetic field is determined by the amount of current passing through the coil, and its direction is determined by the direction of the current. When the current flow is reversed, the magnetic field reverses its direction, and this creates an electric field, which in turn induces a voltage in the coil.The PM125SH-681M-RC inductor is therefore able to regulate current flow in an electrical circuit by providing a low resistance path for current to flow through while also generating an opposing voltage that opposes the current flow. This dynamic allows the inductor to act as a stabilizing element in a power supply and voltage regulator circuit, allowing stable operation and limiting the maximum possible output current.The inductor can also act as a filter in power applications by blocking high frequency noise and other electrical interference. This is done by using the inductive reactance of the device to oppose the flow of high frequency signals while allowing low frequency signals, such as the power supply line, to pass freely.In summary, the PM125SH-681M-RC inductor is a highly reliable and accurately rated fixed inductor. It is suitable for use in low voltage power applications, such as power supplies, voltage regulators, converters, and power amplifiers. Its working principle is based on Faraday’s law of induction, which states that a changing current through a coil of wire generates a magnetic field around it. This allows the device to act as a stabilizing element in a power supply and voltage regulator circuit and also as a filter in power applications.

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