LHL13TB681K

DC Resistance (DCR):	610 mOhm Max
Height - Seated (Max):	0.669" (17.00mm)
Size / Dimension:	0.551" Dia (14.00mm)
Supplier Device Package:	--
Package / Case:	Radial
Mounting Type:	Through Hole
Inductance Frequency - Test:	796kHz
Operating Temperature:	-25°C ~ 105°C
Ratings:	--
Frequency - Self Resonant:	1.2MHz
Q @ Freq:	30 @ 796kHz
Series:	LH, L Type
Shielding:	Unshielded
Current - Saturation:	--
Current Rating:	800mA
Tolerance:	±10%
Inductance:	680µH
Material - Core:	Ferrite
Type:	--
Part Status:	Not For New Designs
Packaging:	Tape & Box (TB)

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Fixed Inductors are one of the most popular passive components in circuits, and LHL13TB681K is one of the most commonly used devices. It is designed to store energy in the form of a magnetic field in the wire coil, to provide a relatively constant current flow to the inductor’s target, and to block the flow of current in the opposite direction.The LHL13TB681K is a surface mount inductor with a maximum rated ripple current of 13A. It features multiple sizes, lead-free terminals (durability, high-temperature resistant) and a higher inductance than common lead-free specifications. Moreover, it has a high frequency characteristic, a high stablity, and a low DC resistance, making it ideal for high-frequency switching circuits that require design precision during production, high current power supplies, and high power applications.The working principle of the LHL13TB681K is relatively simple. The inductor is made up of an insulated wire coil wrapped around a magnetic core. When current flows through the wire coil, it generates a magnetic flux inside the core which opposes any change in current. This flux produces an opposing voltage which can be derived from Faraday’s law of induction. This opposed voltage, called the back EMF, acts as a load to the current source, reducing the amount of current that can flow through the inductor. The inductance of the LHL13TB681K is determined by the number of turns in the wire coil and the size and shape of the core material. As the number of turns in the coil increases, the inductance of the inductor increases proportionally as well. Similarly, the size and shape of the core material affects the inductance of the device. The LHL13TB681K has a number of practical applications in electronics and electrical engineering. As a versatile component, its primary use is in switching regulators, where it is used to limit the rate of change of current in the circuit. It is also used in oscillator circuits, radio transmitters, and power supplies. The device can also be used in applications that require damping or boosting of AC signals, signal isolation, and low-noise electronic devices.The LHL13TB681K provides greater flexibility and improved performance in a variety of circuits due to its high current and low DC resistance. With its lead-free terminals, multiple sizes and high electromagnetic compatibility, this device is an ideal choice for applications requiring sound frequency isolation and long-term reliability.

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