SRR0805-8R2M Inductors, Coils, Chokes

DC Resistance (DCR):	80 mOhm Max
Height - Seated (Max):	0.185" (4.70mm)
Size / Dimension:	0.413" L x 0.315" W (10.50mm x 8.00mm)
Supplier Device Package:	--
Package / Case:	Nonstandard
Mounting Type:	Surface Mount
Inductance Frequency - Test:	1kHz
Operating Temperature:	-40°C ~ 125°C
Ratings:	--
Frequency - Self Resonant:	32MHz
Q @ Freq:	19 @ 7.96MHz
Series:	SRR0805
Shielding:	Shielded
Current - Saturation:	2.5A
Current Rating:	1.75A
Tolerance:	±20%
Inductance:	8.2µH
Material - Core:	Ferrite
Type:	Wirewound
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Introduction

Fixed inductors are typically used in applications that require a specific inductance value such as power supply decoupling and active filters. These inductors do not have the ability to change their value over a wide range. The SRR0805-8R2M is a fixed inductor that is widely used in various applications. It is a particularly useful part because its size and design makes it suitable for use in low power applications such as those in consumer electronics.

Understanding the SRR0805-8R2M

The SRR0805-8R2M is an 8 resistive, resonant, undecoupled, SMT fixed inductor. It has an inductance of 8.2 mH, a tolerance of 10%, and a maximum DC current of 0.68A. Its size is only 0.8 mm x 0.5 mm x 0.5 mm making it suitable for use in smaller spaces and for use in cost-effective products. Its narrow frequency range of 22Kthz to 89KHz makes it ideal for applications such as power line filters, noise suppression, and low frequency circuit designs. The SRR0805-8R2M also has a lead-free, rohs compliant finish and a high saturation current rating (1.4A).

Applications of the SRR0805-8R2M

The SRR0805-8R2M is widely used in various applications. It is most commonly used in consumer electronics such as mobile phones, digital cameras, and laptops for power line management and noise suppression. In addition, the SRR0805-8R2M can be used to create active filters with low pass, high pass and band pass capabilities. They are also used in precision low frequency circuits which require signal integrity. Some other common applications include wireless charging systems, automotive electronics, variable frequency drives, voltage regulation, and RFID systems.

Working principle

The working principle of a fixed inductor such as the SRR0805-8R2M is fairly simple. It works by generating a magnetic field that stores energy and can be used to create electrical resistance. The inductance of the SRR0805-8R2M is 8.2 mH, meaning that it will generate a magnetic field if a current of 8.2 milliamps flows through it. The magnetic field created by this current then resists any changes in the current, as this increases the magnetic field and the electrical resistance. This resistance then helps protect the circuit from any unexpected electrical disturbances.

Conclusion

The SRR0805-8R2M is a small, highly efficient fixed inductor that is used in a wide variety of applications. It is an ideal choice for low power applications in consumer electronics, and its high saturation current rating makes it well suited for use in precision low frequency circuits that require signal integrity. Its size and lead free, ROHS compliant finish make it a great choice for cost-effective products. Its simple working principle makes it easy to understand and utilize in various applications.

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