CDR125-681MC

DC Resistance (DCR):	1.78 Ohm Max
Height - Seated (Max):	0.232" (5.90mm)
Size / Dimension:	0.496" L x 0.457" W (12.60mm x 11.60mm)
Supplier Device Package:	--
Package / Case:	Nonstandard
Mounting Type:	Surface Mount
Inductance Frequency - Test:	1kHz
Operating Temperature:	-25°C ~ 70°C
Ratings:	--
Frequency - Self Resonant:	2.64MHz
Q @ Freq:	--
Series:	CDR125
Shielding:	Shielded
Current - Saturation:	--
Current Rating:	400mA
Tolerance:	-15%, +20%
Inductance:	680µH
Material - Core:	--
Type:	--
Part Status:	Obsolete
Packaging:	Tape & Reel (TR)

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Introduction
Fixed Inductors, also known as inductors or coils, are electric components that store and supply electrical energy. They are commonly used in a wide variety of electrical and electronic circuitry to provide a controlled current flow, filter signals, and provide a boost or reduce DC power. Fixed inductors are typically found in consumer electronics, radio and television equipment, automotive, industrial, and medical instrumentation.
CDR125-681MC Overview
The CDR125-681MC is a fixed inductor, featuring a 6.81mH inductance and a 1.2A current rating. It is designed for use in applications with up to 6GHz bandwidth. This inductor has excellent noise suppression properties and features a low resistance, which makes it ideal for high speed applications. The inductor is hermetically sealed and is suitable for temperatures ranging from -55°C to +125°C.
Application Field and Working Principle
Fixed inductors can be found in many different applications, but CDR125-681MC is particularly useful for high frequency power supplies, filter circuits, and RF circuits. In power supplies, CDR125-681MC works as a smoothing element, allowing for a more efficient transfer of energy. It helps reduce or block high frequency noise, preventing it from reaching sensitive parts of the circuit. It is also used in RF applications where it is used to store or transfer energy.In its most basic form, the CDR125-681MC is an air-core coil. It consists of windings of conductive material, usually copper or aluminum, wrapped around a core made of a non-conductive material, such as plastic or air. An electrical current passing through the windings generates a magnetic field which induces current flow in the coil. This naturally occurring phenomenon is the basic principle behind a fixed inductor.Advantages
The CDR125-681MC has several advantages over other types of inductors. These include high efficiency, low noise, small size, and low leakage. The inductor is hermetically sealed, allowing for greater protection against environmental hazards like dust, moisture, and temperature fluctuations. Another advantage is that it has a low resistance, which makes it ideal for use in high speed applications.Conclusion
CDR125-681MC is a fixed inductor designed for use in high frequency applications. It has excellent noise suppression properties, a hermetically sealed enclosure, and a low resistance. This makes it ideal for use in power supplies, filter circuits, and RF circuits. The CDR125-681MC provides a reliable and efficient solution in a variety of applications.

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