2100HT-3R9-H-RC

DC Resistance (DCR):	5 mOhm Max
Height - Seated (Max):	0.450" (11.43mm)
Size / Dimension:	0.860" Dia (21.84mm)
Supplier Device Package:	--
Package / Case:	Radial
Mounting Type:	Through Hole
Inductance Frequency - Test:	1kHz
Operating Temperature:	-55°C ~ 200°C
Ratings:	--
Frequency - Self Resonant:	--
Q @ Freq:	--
Series:	2100HT
Shielding:	Shielded
Current - Saturation:	--
Current Rating:	15.3A
Tolerance:	±15%
Inductance:	3.9µH
Material - Core:	--
Type:	Toroidal
Part Status:	Active
Packaging:	Bulk

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Fixed Inductors - 2100HT-3R9-H-RC application field and working principleFixed inductors are passive electronic components used to store numerical values of energy in an electric current, typically at radio frequencies. They are widely used in electrical circuit designs, ranging from simple electrical filters to sophisticated devices such as RFID tags and circuit board routing. The 2100HT-3R9-H-RC model is a fixed inductor from the Entergic Ferrite range, which are designed for impedance matching in low frequency SMPS applications, like cellphone chargers.The 2100HT-3R9-H-RC line of fixed inductors is designed for SMPS applications running at frequencies ranging from 25 kHz to 1.2 MHz. It is available with an inductance range from 0.22 to 4.7 µH, resistance from 0.3 to 6.2Ω, voltage ratings up to 100V, and current ratings up to 180 mA. Its radial leads are made from tinned copper, and insulated with a coat of blue PVC.The working principle behind the 2100HT-3R9-H-RC series of fixed inductors is based on the basic principle of electromagnetism. The device consists of a copper wire wrapped around a core material, usually an iron-filled ferrite material, which stores the energy generated by the electric current. When the current passes through the copper wire, the electrons interacting with the ferrite material create a magnetic field. This then generates a voltage (also known as “back EMF”) which interrupts the current flow and stores the energy, which can then be released at a specified time.The 2100HT-3R9-H-RC series of fixed inductors is designed with a high level of magnetic shielding which ensures a stable and consistent performance. This is achieved through the combination of the core material used, and the geometry of the design, which reduced the flux leakage from the coil due to the uniform winding pitch. The range is also highly resistant to temperature changes due to the increased glass insulation, and the higher breakdown voltage makes them suitable for high power applications.In summary, the 2100HT-3R9-H-RC series of fixed inductors from Entergic Ferrite is designed for SMPS applications from 25 kHz to 1.2 MHz, providing impedance matching capability. It is highly resistant to temperature variations, and has a high magnetic shielding capability to ensure a stable performance. The range has inductance values from 0.22 to 4.7 μH, resistance values from 0.3 to 6.2Ω, and voltage class ratings up to 100V, and current ratings up to 180 mA.

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