DC Resistance (DCR):	90 mOhm Max
Height - Seated (Max):	0.022" (0.55mm)
Size / Dimension:	0.039" L x 0.020" W (1.00mm x 0.50mm)
Supplier Device Package:	0402 (1005 Metric)
Package / Case:	0402 (1005 Metric)
Mounting Type:	Surface Mount
Inductance Frequency - Test:	100MHz
Operating Temperature:	-40°C ~ 85°C
Ratings:	--
Frequency - Self Resonant:	6GHz
Q @ Freq:	10 @ 100MHz
Series:	QF
Shielding:	Unshielded
Current - Saturation:	--
Current Rating:	400mA
Tolerance:	±0.2nH
Inductance:	2nH
Material - Core:	Ceramic
Type:	Multilayer
Part Status:	Obsolete
Packaging:	Tape & Reel (TR)

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Fixed Inductors

ELJ-QF2N0ZF application field and working principle

Fixed inductors, also known as non variable inductors, are components with inductance values that remain constant, irrespective of an external current or voltage changes. They typically come in sizes ranging from 0402 and 1812. The ELJ-QF2N0ZF series is a SMD type inductor produced by Panasonic, It is part of the company’s Quiet Reliability series, which is designed to address the needs of audio appliance manufacturing and other acoustically sensitive applications. This series of inductors offers the user a wide range of applications and features.

Applications: ELJ-QF2N0ZF series inductors are designed for use in signal lines, switching power supplies, and noise suppression. They provide effective solutions for noise, EMI and EMC in a variety of applications.

• Ideal for audio equipment manufacturing.
• Useful in low-power electronic equipment, portable devices, and home electronics.
• Useful for noise-filtering in wireless and high-speed interfaces.
• Ideal for outdoor electronics equipment.

Features: ELJ-QF2N0ZF series inductors offer some key features that make them an attractive choice for many applications.

• The large version has a rated inductance range of 1.0 µH to 470 µH.
• A minimum resistance of 10 mΩ and maximum of 100 mΩ.
• A rated rated current ranging from 120 mA to 4 A.
• The small version has a rated inductance range of 2.2 nH to 470 nH.
• A minimum resistance of 5 mΩ and maximum of 50 mΩ.
• A rated rated current ranging from 2 mA to 4 A.
• Excellent high-frequency characteristics.

Working Principle: The ELJ-QF2N0ZF series fixed inductors work by creating a magnetic field around a core of wire or metal. When current passes through the inductor, a magnetic field is produced, which then induces a voltage in the inductor. This voltage then creates a current flow in the opposite direction to the initial current flow, which is known as back-EMF. This phenomenon is known as inductance, and it is this constant back-EMF that helps maintain a constant current flow within an inductor. This constant current flow is essential in electronic circuit designs.

ELJ-QF2N0ZF series inductors are highly reliable components that provide excellent high-frequency characteristics and are designed for a wide range of applications. With a wide range of applications and features, these fixed inductors offer excellent performance and reliability for a variety of different purposes.

Image source: http://www.raptortech.com/inductors-series.html

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