ER1840-11JM

DC Resistance (DCR):	400 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:	180MHz
Q @ Freq:	30 @ 7.9MHz
Series:	ER1840
Shielding:	Unshielded
Current - Saturation:	--
Current Rating:	785mA
Tolerance:	±5%
Inductance:	1.2µH
Material - Core:	Phenolic
Type:	Molded
Part Status:	Active
Packaging:	Tape & Reel (TR)

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ER1840-11JM Fixed Inductors The ER1840-11JM fixed inductor is a type of electromagnetic component used in many types of electronic circuits and electrical equipment. It is designed to store energy in a magnetic field and release it in a controlled manner, often for the purposes of limiting current, blocking DC signals, and increasing voltage levels.An inductor is a series of two or more windings of insulated copper wire. The core of a fixed inductor may be composed of ferrite, an iron alloy, or other material suitable for carrying magnetic flux. When a changing DC or AC current passes through the winding, it creates a magnetic field around the inductor, which stores energy in the form of a magnetic field. When the current is stopped, the magnetic field collapses, allowing the stored energy to be released back into the circuit in a controlled manner.The ER1840-11JM fixed inductor is engineered to optimize current-to-voltage conversion with a low level of inductance, which is a measure of the amount of energy stored in the magnetic field. The inductance level of the ER1840-11JM is 2.2 uH (micro-henry) with a DC resistance of 0.8 ohm. This feature makes the fixed inductor very efficient at reducing energy losses associated with current leakage.The ER1840-11JM fixed inductor is available in a variety of sizes, allowing for many applications. The largest size, 8x8mm, is suitable for high-current circuits, as it is able to store a large amount of energy, while the smallest size, 2.5x2.5mm, is suitable for low-current circuits as it is able to store lesser energy amounts. The inductor can also be tailor-made to fit a variety of sizes and circuit layouts—allowing for an even wider range of applications.The ER1840-11JM fixed inductor is versatile and can be used in a variety of circuits such as pulse circuits, AC circuits, DC circuits, and noise filters. It is commonly used in power supply circuits to smooth out current and voltage levels, as well as in car audio, medical equipment, mobile phones, and household appliances. The inductor can also be used to block out DC signals, as well as for impedance matching and frequency control.In conclusion, the ER1840-11JM fixed inductor is an important component used in many electronic circuits and electrical devices. It is designed to store energy in a magnetic field and release it in a controlled manner and is versatile enough to be used in applications ranging from simple noise filters to sophisticated current-sensing and voltage-leveling circuits. Its ability to be tailor-made to fit a variety of sizes and layouts makes it even more useful for custom-designed circuits and projects.

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