SDR2207-221KL Inductors, Coils, Chokes

DC Resistance (DCR):	380 mOhm Max
Height - Seated (Max):	0.307" (7.80mm)
Size / Dimension:	0.866" L x 0.591" W (22.00mm x 15.00mm)
Supplier Device Package:	--
Package / Case:	Nonstandard
Mounting Type:	Surface Mount
Inductance Frequency - Test:	100kHz
Operating Temperature:	-40°C ~ 125°C
Ratings:	--
Frequency - Self Resonant:	5.5MHz
Q @ Freq:	19 @ 2MHz
Series:	SDR2207
Shielding:	Unshielded
Current - Saturation:	2.4A
Current Rating:	1.2A
Tolerance:	±10%
Inductance:	220µH
Material - Core:	Ferrite
Type:	Wirewound
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Introduction

A fixed inductor is a component that stores energy in the form of a magnetic field. It is usually used in a variety of electronic circuits, including power supplies and various analog and digital signal conditioning applications. The SDR2207-221KL is a type of fixed inductor that is used in various applications.

Application Field

The SDR2207-221KL is an ideal inductor for any application where space is a constraint while maintaining a high performance. It is a high-frequency fixed inductor with a very low profile capable of delivering high equivalent series inductance (ESL) at high frequencies. It is often used in switching supplies and buck converters, as well as other common circuits. Moreover, it is used in noise suppression filter applications where a small form factor is needed.

Working Principle

The inductance in a fixed inductor is generated by a magnetic field that is created when an electric current flows through the inductor. The electric current generates a magnetic field which causes the windings of an inductor to produce a counter-emf (electromotive force) when the current is changed. This counter-emf is proportional to the amount of current through the inductor. The inductance is related to the number of turns in the winding and the size of the core. The SDR2207-221KL has a high-frequency core and a very high frequency response. This is why it is suitable for high-performance applications.

Design Features

The SDR2207-221KL has a variety of design features. The inductor has an operating temperature range of -55 to +105 degrees Celsius and is available in two sizes: 3mm x 3mm or 4mm x 4mm. The inductance range is from 3.5 to 1000 nH, and the current handling capacity is up to 1A. The self-resonant frequency (SRF) is also very high, at 500 MHz to 1GHz. Furthermore, the SDR2207-221KL can be used with all standard surface mount installation techniques and it has high reliability because of its excellent thermal endurance properties.

Conclusion

The SDR2207-221KL is an ideal inductor for those applications which require a very high frequency and a low profile. It is a small package size with good performance and excellent thermal endurance. It is available in two sizes and has a wide inductance range and a large current handling capacity. Its features and specifications make it suitable for a variety of applications.

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