ELF-17N005A

Voltage Rating - AC:	--
Package / Case:	Vertical, 4 PC Pin
Height (Max):	0.886" (22.50mm)
Size / Dimension:	0.591" L x 0.894" W (15.00mm x 22.70mm)
Mounting Type:	Through Hole
Features:	--
Approvals:	--
Ratings:	--
Operating Temperature:	--
Series:	N
Voltage Rating - DC:	--
DC Resistance (DCR) (Max):	1.324 Ohm (Typ)
Current Rating (Max):	500mA
Number of Lines:	2
Filter Type:	--
Part Status:	Obsolete
Packaging:	Bulk

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Common Mode Chokes ELF-17N005A Application Field and Working Principle

Common mode chokes are passive components, also known as common-mode noise filter networks, that are widely used in electronic power circuits, motor drives, inverter circuits, communication systems, and other electrical circuits to filter out noise. The ELF-17N005A is a common mode choke specifically designed for the purpose of reducing common-mode noise in high-speed data lines and other data communications applications.The ELF-17N005A is a compact SMD offering the combination of substantial common-mode noise suppression and low insertion-loss. This device is designed to reject high frequency noise caused by switching power circuits, mobile phone signals, and other sources in the frequency range of 500kHz to 2MHz. This component is characterized by a high impedance at the rated frequency (100kHz to 2MHz) and a relatively low impedance at the resonance frequency, providing excellent noise suppression performance. The working principle is based on the concept of "inductance," which creates a low-impedance path for high-frequency currents to flow through the component. With the presence of the ELF-17N005A in the circuit, the common-mode noise will be effectively filtered out as it passes through the component. The component makes use of two windings, one primary winding and one secondary winding, which are connected in parallel. This helps create a low impedance path for high frequency noise, while allowing the low-frequency signals to pass through relatively unaltered. Typically, the component also has an internal magnetic shielding which provides additional filtering capabilities. This allows the ELF-17N005A to provide noise suppression across a wide range of frequencies.In addition, the ELF-17N005A can also be used to protect the circuit against the potential damage or malfunctioning due to the high-frequency noise. Since the components have low insertion-loss, this helps to minimize the power loss in the system. The ELF-17N005A has a wide operating temperature range of -40°C to +125°C, making it suitable for use in harsh environments. The rated DC current for the component is 3A, with a rated DC resistance of 0.1Ω. The component is offered in a variety of sizes with varying current ratings and impedance levels.Overall, the ELF-17N005A provides good common-mode noise suppression, low insertion-loss, and robustness. It is easily adapted to various applications, making it a popular choice for noise suppression solutions in high-frequency data communication systems.

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