ER1641-274JR

DC Resistance (DCR):	5.8 Ohm Max
Height - Seated (Max):	--
Size / Dimension:	0.162" Dia x 0.410" L (4.11mm x 10.41mm)
Supplier Device Package:	--
Package / Case:	Axial
Mounting Type:	Through Hole
Inductance Frequency - Test:	790kHz
Operating Temperature:	-55°C ~ 105°C
Ratings:	--
Frequency - Self Resonant:	7MHz
Q @ Freq:	55 @ 790kHz
Series:	ER1641
Shielding:	Shielded
Current - Saturation:	--
Current Rating:	115mA
Tolerance:	±5%
Inductance:	270µH
Material - Core:	Ferrite
Type:	Molded
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Fixed Inductors – ER1641-274JR Application Field and Working Principle Fixed inductors are electric components used in a wide range of applications including power supplies, radio frequency (RF) and high-frequency (HF) circuits, and broadcast transmission lines. This article will focus on ER1641-274JR fixed inductors and their application field and working principle.The ER1641-274JR is a scraped SMD shield fixed inductor, with a 2820 casing size. Its inductance is 27.4±20% of an ohm. The ER1641-274JR has a wide inductance range from 0.5 to 1,000 microHenry and its maximum DC current range is 2.5A while its self-resonant frequency is up to 1GHz.The ER1641-274JR is used in high-frequency applications, such as computer systems, telecom equipment, digital cameras, and other embedded systems. The design of an efficient RF circuit requires an accurate layout and characterizations of the components. The ER1641-274JR is one of the most suitable components for such circuits, since its inductance can be adjusted within the wide operating frequency range and its high-frequency characteristics are very reliable. In addition, the ER1641-274JR is also suitable for low-frequency applications such as DC-DC converters, power supply circuit, and power electronics.The working principle of the ER1641-274JR is based on the basic principles of magnetic and electrical field induction. When an electric current flows through a wire, a magnetic field is generated around the wire. This magnetic field then affects the motion of electrons in nearby wires, which produces an electric current. This phenomenon is known as electromagnetic induction and is the basic principle behind the functioning of the ER1641-274JR.Similarly, when the ER1641-274JR is connected to a voltage source, an electric current passes through its coil. The generated magnetic field then affects the motion of electrons in nearby wires by inducing a voltage across them, thus generating an electric current. This process is known as inductive reactance and forms the basis of the ER1641-274JR’s working principle.Although the ER1641-274JR is mainly used in high-frequency and RF circuits, it also has excellent performance in low-frequency applications. It has a low DC resistance which ensures low signal loss and improved power efficiency. Its solderability is also excellent, allowing for low-profile connections, and its mechanical stability ensures reliable contact and prevents vibrations from affecting the circuit.Moreover, the ER1641-274JR has excellent heat dissipation characteristics, resulting in a longer lifespan for the product. This is due to its high grade plastic casing which is designed for superior thermal conductivity and durability. In addition, the ER1641-274JR also features a self-supporting shield which eliminates the need for expensive, bulky heatsinks and ensures that the circuit remains cool.In conclusion, the ER1641-274JR is an excellent choice for both high-frequency and low-frequency applications. Its wide inductance range, superior heat dissipation characteristics, and low signal loss make it suitable for a variety of RF and power supply circuits. Its mechanical stability also ensures a longer lifespan for the product.

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