ER1840-12KM

DC Resistance (DCR):	485 mOhm Max
Height - Seated (Max):	--
Size / Dimension:	0.187" Dia x 0.437" L (4.75mm x 11.10mm)
Supplier Device Package:	--
Package / Case:	Axial
Mounting Type:	Through Hole
Inductance Frequency - Test:	7.9MHz
Operating Temperature:	-55°C ~ 125°C
Ratings:	--
Frequency - Self Resonant:	170MHz
Q @ Freq:	30 @ 7.9MHz
Series:	ER1840
Shielding:	Unshielded
Current - Saturation:	--
Current Rating:	720mA
Tolerance:	±10%
Inductance:	1.5µH
Material - Core:	Phenolic
Type:	Molded
Part Status:	Active
Packaging:	Tape & Reel (TR)

Due to market price fluctuations, if you need to purchase or consult the price. You can contact us or emial to us:   sales@allicdata.com

Fixed Inductors: ER1840-12KM Application Field & Working Principle

Fixed inductors, also known as loads, are elements used in electric circuits that store energy. They are widely used in electrical and electronic circuits as energy sources, to create signals, provide power supply, protect devices, and dampen harmonic oscillations. The ER1840-12KM is a type of fixed inductor which is the most commonly used in today’s applications.The ER1840-12KM is designed for use in different applications which need medium level power supply. It is suitable for medium power applications which require long-term operation. Its power consumption is relatively low compared to other inductors, so it is popular in electronic circuits. It can be used to create a stable power supply for various electronic devices.The ER1840-12KM fixed inductor consists of a thin-film core and a coil wrapped around it. The core is made of a special material, allowing it to store energy more effectively than traditional inductors. The coil features an optimized design, with a winding thickness and number of turns selected in order to achieve a specific inductance. As a result, the ER1840-12KM can provide high efficiency and a perfect impedance match.The working principle of the ER1840-12KM is based on the Faraday’s law of induction. When a current flows through the coil, a magnetic field is generated, which induces an electromotive force in the coil. The magnitude of the induced voltage depends on the rate at which the magnetic field changes (flux), the longer the time interval, the greater the induced voltage. As such, the ER1840-12KM is very effective in providing a steady and stable power supply.Furthermore, the ER1840-12KM has several advantages, such as its precise impedance matching ratio and extremely high insulation level. Its unique construction makes it suited for high power applications, with no risk of overheating or high current flow. Moreover, its improved power efficiency allows for less power consumption from external sources.In conclusion, the ER1840-12KM is one of the most popular fixed inductors currently available. It is suitable for both high and moderate power applications, offering excellent stability, high insulation level, precise impedance matching, and great power efficiency. Thanks to its wide range of features, the ER1840-12KM is the perfect choice for any application requiring a reliable and stable power supply.

The specific data is subject to PDF, and the above content is for reference

Part Number	Manufacturer	Price	Quantity	Description