ISC1812ES121K

DC Resistance (DCR):	3.64 Ohm Max
Height - Seated (Max):	0.134" (3.40mm)
Size / Dimension:	0.177" L x 0.126" W (4.50mm x 3.20mm)
Supplier Device Package:	1812
Package / Case:	1812 (4532 Metric)
Mounting Type:	Surface Mount
Inductance Frequency - Test:	796kHz
Operating Temperature:	-55°C ~ 125°C
Ratings:	--
Frequency - Self Resonant:	6MHz
Q @ Freq:	40 @ 796kHz
Series:	ISC-1812
Shielding:	Shielded
Current - Saturation:	--
Current Rating:	139mA
Tolerance:	±10%
Inductance:	120µH
Material - Core:	Ferrite
Type:	Wirewound
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Fixed Inductors

Inductors are one of the most commonly used electronic components. Amongst them, the fixed inductors, also known as wound inductors, are passive electronic components designed to store electromagnetic energy. Fixed inductors are very important components in many nich industries, including power supplies, motor drives, and communication systems.The ISC1812ES121K is a fixed inductor specifically designed for power supplies. It is a two-pin surface mounted device with a shielded construction containing a specifically chosen core. This specific inductor is suitable for use in many DC to DC converter applications, such as smartphones, notebook computers, and tablets.The ISC1812ES121K provides advantages such as high frequency operation and low power consumption which make it possible to meet the power requirement of different applications. The inductor features an inductance of 120 µH and consists of two integral clip leads for easy mounting on a printed circuit board. It has a tolerable radial lead that enables a steady external force and provides tight connection. In addition, the ISC1812ES121K has a temperature range of -40°C to 125°C and is rated for endurance up to 2000 hours.The working principle of the ISC1812ES121K is based on Faraday’s law of induction. This law states that a changing magnetic field creates an electromotive force (EMF) in a circuit, and when current passes through this circuit, a magnetic flux is created. When the source of the flux is removed, the flux will cause an EMF to be induced in the other connected circuit. This EMF will cause current to flow in the new circuit.This is the case with the ISC1812ES121K. When a steady magnetic field is applied, a steady EMF will be created, causing current to be stored in the inductor. When the current stops flowing, the magnetic field will fade away and the EMF generated by the inductor will cause current to be released from the circuit. This is why the inductor is called “fixed” since it is not affected by the changing field.To summarize, the ISC1812ES121K is a powerful fixed inductor that is suitable for a variety of DC to DC converter applications. Its compact size and low power usage make it an ideal choice for power supplies. It stores energy by creating an EMF in the circuit and its working principle is based on Faraday’s law of induction.

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