HM61-20680LFTR13

DC Resistance (DCR):	280 mOhm
Height - Seated (Max):	0.224" (5.70mm)
Size / Dimension:	0.335" L x 0.250" W (8.51mm x 6.35mm)
Supplier Device Package:	--
Package / Case:	Nonstandard
Mounting Type:	Surface Mount
Inductance Frequency - Test:	1kHz
Operating Temperature:	-40°C ~ 155°C
Ratings:	--
Frequency - Self Resonant:	8MHz
Q @ Freq:	--
Series:	HM61
Shielding:	Unshielded
Current - Saturation:	--
Current Rating:	1A
Tolerance:	±10%
Inductance:	68µH
Material - Core:	--
Type:	Wirewound
Part Status:	Discontinued at Digi-Key
Packaging:	Tape & Reel (TR)

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Fixed Inductors: HM61-20680LFTR13 Application Field and Working PrincipleFixed inductors are electronic components consisting of a wire or coil wound on a core. They are mainly composed of two parts: the core and the winding. They are widely used in many electronic circuits, such as power supplies, filters, signal processing, motor control, and protection circuits. The HM61-20680LFTR13 is a fixed inductor produced by Hongmei Electric, a manufacturer specializing in inductive components.Application Field:The HM61-20680LFTR13 is an air core fixed inductor designed for use in a wide range of electronic applications. Due to its ultra-high inductance, it is suitable for applications where a high inductance value, tight tolerance, and low profile are essential. The device can be used in amplifiers, digital and analog circuit protection, switching power supplies, voltage regulators, audio circuits, and other fields. It also features a low current leakage rate, high insulation resistance, and excellent heat dissipation characteristics.Working Principle:In electrical engineering, the inductance of a fixed inductor is determined by the geometry of its components. The HM61-20680LFTR13 uses an air core, which means there is no ferromagnetic material (or core material) present. Based on Faraday\'s Law of Induction, a changing magnetic field induces a voltage in a coil. This coil is the inductor, and the amount of voltage induced is proportional to the rate of change of the magnetic field. This is the basic operating principle of a fixed inductor.When the input power is applied to the coil, it creates a magnetic field that, in turn, induces a voltage in the coil. This voltage then flows through the coil and out of the device as an electric current. As the electric current passes through the coil, it forms a magnetic field and further induces a voltage in the coil. This cycle of induced voltage to current, and current to induced voltage, is repeated until the magnetic field produced by the coil opposes the magnetic field induced by the input power. At this point, the induced voltage will no longer increase and the circuit is said to reach equilibrium.Fixed inductors, such as the HM61-20680LFTR13, are used in a variety of electronic applications to control the flow of electricity. They regulate the amount of voltage and current in a given circuit, allowing the other electronic components to function properly. Without the presence of a fixed inductor, the output of any electronic device would be unpredictable and prone to error or failure.

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