SRP4020FA-R68M

Q @ Freq:	20 @ 100kHz
Height - Seated (Max):	0.083" (2.10mm)
Size / Dimension:	0.161" L x 0.161" W (4.10mm x 4.10mm)
Supplier Device Package:	--
Package / Case:	Nonstandard
Mounting Type:	Surface Mount
Features:	--
Inductance Frequency - Test:	100kHz
Operating Temperature:	-55°C ~ 155°C
Ratings:	AEC-Q200
Frequency - Self Resonant:	73MHz
Series:	SRP4020FA
DC Resistance (DCR):	8.2 mOhm Max
Shielding:	Shielded
Current - Saturation:	8A
Current Rating:	12A
Tolerance:	±20%
Inductance:	680nH
Material - Core:	Iron Powder
Type:	Wirewound
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Introduction

Fixed Inductors are one of the essential components used for a circuit or a system. These components are designed to be used in a range of applications such as powering, filtering, regulation, energy storage, signal conditioning and communications. The SRP4020FA-R68M is one such fixed inductor that is particularly suited for utilization in a number of radio frequency applications.

SRP4020FA-R68M Application Field and Working Principle

The SRP4020FA-R68M is a mid-size package fixed inductor offering high performance and a relatively low profile size. It is manufactured by Sumida, and it meets the requirements set for small-outline, low-profile inductors. It has a diminsion of 2.0mm x 2.0mm x 0.9mm and weighs just 0.4g. It is equipped with a Ferrite core and is a wire-wound type inductor that has a shielded casing for excellent performance. The SRP4020FA-R68M is specially designed to be used in high-frequency radio applications that often use tight packages. This makes the SRP4020FA-R68M a suitable option for applications in fields such as mobile phones, portable radios, short-wave radios, wireless modular communication, telecommunication systems and PDA systems. The SRP4020FA-R68M operates on a simple principle - its core material, which is made of ferrite, is surrounded by wire which is wound in coils. This particular type of conductive wire is insulated to prevent electrical current interference. When an external voltage is applied, this generates electromagnetic flux, which in turn induces a back electro-motive force within the SRP4020FA-R68M coil. This back electro-motive force is called inductance and it is expressed in units of henries.The SRP4020FA-R68M offers low DC losses and excellent frequency-response characteristics. The device provides large inductance values even at high frequencies, ensures high-quality performance over a wide frequency range and high-stability during temperature variations. It is also designed with a low self-resonant frequency, low power consumption, and a high-saturated current rating.

Conclusion

The SRP4020FA-R68M is a high-performance fixed inductor designed specifically for applications involving radio transmission using tight packages. It has aFerrite core and is wound with insulated conductive wire. The device offers low DC-losses, high inductance values, low self-resonant frequency, low power consumption, and high-saturated current ratings compared to other inductors. It can be utilized in a variety of applications such as powering, filtering, regulation, energy storage, signal conditioning and communications and is suitable for systems such as mobile phones, portable radios, short-wave radios, wireless modular communication, telecommunication systems and PDA systems.

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