CW201212-39NG

DC Resistance (DCR):	180 mOhm
Height - Seated (Max):	0.059" (1.50mm)
Size / Dimension:	0.083" L x 0.059" W (2.10mm x 1.50mm)
Supplier Device Package:	0805 (2012 Metric)
Package / Case:	0805 (2012 Metric)
Mounting Type:	Surface Mount
Inductance Frequency - Test:	250MHz
Operating Temperature:	-40°C ~ 125°C
Ratings:	--
Frequency - Self Resonant:	2.1GHz
Q @ Freq:	60 @ 500MHz
Series:	CW201212
Shielding:	Unshielded
Current - Saturation:	--
Current Rating:	500mA
Tolerance:	±2%
Inductance:	39nH
Material - Core:	Ceramic
Type:	Wirewound
Part Status:	Active
Packaging:	Tape & Reel (TR)

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What Are Fixed Inductors?

Fixed inductors, also commonly known as chokes, are electronic components typically used to suppress or filter excessive alternating current (AC) signals. In addition, they are also used to store or pass currents independent of the frequency. They come in several designs and shapes including various air gap, magnetic, induction coil, and electrolytic varieties. Although some of them may be reusable several times, most fixed inductors are not. Thus, usually a new inductor must be purchased every time one wears out.

How Does The CW201212-39NG Work?

The CW201212-39NG is a robust and reliable inductor used for a wide range of applications. It employs a special winding design to provide superior performance and improved temperature stability when compared to standard types of inductors.At a high level, a fixed inductor is designed to restrict the flow of alternating current (AC) signals within an electric circuit. It achieves this by introducing resistance called inductance, which can be thought of as the size of the inductor, to the current. The larger the inductance, the greater the resistance to the current, and the more the effect the inductor will have on the circuit.The CW201212-39NG uses a special winding design as well as a robust construction to ensure superior performance and improved temperature stability. It has an inductance of up to 22μH and a rated current of up to 3.710A. The press-fit terminal also facilitates the design and assembly of the device, allowing for fast and easy installation. In addition, the operating temperature range of the inductor is -40°C to +85°C.

CW201212-39NG Application Field and Working Principle

The CW201212-39NG fixed inductor is widely used in power conversion circuits, such as power supply, charger, UPS, DC-DC converter, brushless DC motor, and energy storage, as well as other equipment or circuits.When current is applied to an inductor, the inductor stores energy in the form of a magnetic field. As the inductor receives current, the magnitude of the magnetic field increases until the inductor is essentially “saturated”- that is, until the magnetic field created within the inductor is as large as it can get. Consequently, a larger current means stronger inductance. The inductor also acts as an AC filter, blocking oscillations, electromagnetic noise, and low frequency interference. Because of its robust construction and high-performance rating, the CW201212-39NG is particularly well-suited for use in power conversion circuits. It provides excellent temperature stability and has a wide operating temperature range. In addition, the Press-Fit terminal also facilitates the design and assembly, providing a secure and reliable connection.

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